Fremont Weather
Town • San Francisco Bay Area
Fremont fills the flat southeast corner of the East Bay, running from bayside marshes near the Coyote Hills to the steep west face of Mission Peak. The Niles district sits at the mouth of Niles Canyon, where Alameda Creek leaves the hills and a regional trail follows it about 12 miles to the bay. Warm Springs, at the south end, has the southernmost BART station in Alameda County. Few Bay Area cities run so directly from open marsh to a steep mountain face, and that span sets its weather.
Plan your week
10-Day Forecast
Hour by hour
Hourly Forecast
Current Conditions
Comfort Breakdown
Fremont weather today and through the year
It's 54°F at Fremont right now (feels like 53°F), with 2 mph wind and a comfort score of 79. Monday's forecast high at Fremont is 56°F, 10°F below the mid November normal of 66°F. The best window today is 10 AM to 1 PM, at about 54°F with a 2 mph wind (comfort 61).
July is the warmest month at Fremont, with an average high of 83°F. January is the coldest, with an average low of 40°F. February is the wettest month (3.3 in.), out of about 17.3 in. a year. By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Fremont are June, September, and August. The best hours are usually 10 AM to 1 PM in June, 11 AM to 2 PM in September, and 11 AM to 2 PM in August.
The Santa Cruz Mountains across the bay keep the open ocean away from Fremont, so summer marine air arrives the long way. It comes in through the Golden Gate and the San Bruno Gap, then south down the bay as an afternoon breeze. By the time it gets here it has warmed over water and land. That is why Fremont is usually sunnier and warmer than San Francisco or the coast side of the Peninsula, yet milder than the Livermore Valley over the hills.
Forecast updated November 15, 2026 at 4:00 AM PST. Climate figures come from NOAA 1991-2020 normals. Hourly patterns come from NOAA's HRRR hourly analysis from September 2014 to April 2026.
What to expect at Fremont in the next few days
No active National Weather Service alerts for this location.
Best time to go
The best window today is 10 AM to 1 PM, at about 54°F with a 2 mph wind (comfort 61).
Best day this week
Of the next 7 days, Friday looks best for Fremont, with a 62°F high and midday comfort near 81. Thursday looks weakest (50).
Rain
Next good chance of rain: today (87%, about 0.29 in.).
Live weather map
Weather around Fremont right now
Overcast and 54° at Fremont right now.
About the live weather map for Fremont
The map centers on Fremont and stacks fog, satellite clouds, and precipitation radar on one view. Clouds come from the GOES-West satellite and rain from NOAA radar, and both show current conditions. Fog comes from our HRRR-based fog model, and the slider steps through its forecast for the next 12 hours.
Dots mark nearby places with their current temperature, colored by comfort score. Use the layer buttons to turn any layer off, or open the full map for every destination in the region.
Nearby Temperature Comparison
Conditions at nearby San Francisco Bay Area destinations
Tip: Bay Area temperatures can change by 20 to 30°F over a short distance because of microclimates.
Fremont vs nearby places
Typical summer conditions compared with Fremont, from the same NOAA HRRR hourly record. The list shows the closest places, then nearby places whose climate differs the most.
| Place | Distance | Summer afternoons | Morning fog | Afternoon wind | Compared with Fremont |
|---|---|---|---|---|---|
| Newark | 3.1 mi | -5°F | 20% | 11 mph | about 5°F cooler on summer afternoons |
| Union City | 4.3 mi | -2°F | 18% | 9 mph | a very similar climate |
| Don Edwards Wildlife Refuge | 5.1 mi | -15°F | 18% | 16 mph | about 15°F cooler on summer afternoons and windier summer afternoons (16 vs 9 mph) |
| Coyote Hills Regional Park | 5.6 mi | -15°F | 21% | 14 mph | about 15°F cooler on summer afternoons and windier summer afternoons (14 vs 9 mph) |
| Purisima Creek Redwoods | 21.8 mi | -13°F | 57% | 7 mph | more summer morning fog (57% vs 17% of morning hours) and about 95% more rain a year |
| Half Moon Bay | 24.8 mi | -14°F | 64% | 8 mph | more summer morning fog (64% vs 17% of morning hours) and about 14°F cooler on summer afternoons |
Places with a climate like Fremont's
- Sunnyvale (13 mi away): nearly the same temperatures every month
- Santa Clara (14 mi away): nearly the same temperatures every month
- Gilroy (44 mi away): nearly the same temperatures every month
Climate Dashboard
Current conditions vs. NOAA normals and recent destination baseline
What the Fremont climate comparisons mean
These cards compare recent conditions at Fremont with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available. Fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.
Positive and negative differences describe how Fremont departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.
Fremont weather by month
July is the warmest month at Fremont, with an average high of 83°F. January is the coldest, with an average low of 40°F. February is the wettest month (3.3 in.), out of about 17.3 in. a year. Morning fog peaks in July, when fog or low cloud covers 19% of the hours from 6 to 10 AM. July has the clearest middays, with clouds covering about 11% of the sky from 11 AM to 3 PM.
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Fremont are June, September, and August. The best hours are usually 10 AM to 1 PM in June, 11 AM to 2 PM in September, and 11 AM to 2 PM in August.
| Month | Avg high | Avg low | Rain | Rainy days | Morning fog | Midday cloud | Afternoon wind | Daylight | Comfort |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 59°F | 40°F | 3.3 in | 7 | 11% | 32% | 5 mph | 9.9 h | 61 |
| Feb | 63°F | 43°F | 3.3 in | 8 | 11% | 26% | 7 mph | 10.8 h | 65 |
| Mar | 66°F | 45°F | 2.7 in | 7 | 12% | 31% | 8 mph | 11.9 h | 67 |
| Apr | 70°F | 47°F | 1.3 in | 5 | 9% | 24% | 9 mph | 13.2 h | 77 |
| May | 75°F | 51°F | 0.6 in | 3 | 9% | 21% | 10 mph | 14.2 h | 80 |
| Jun | 81°F | 54°F | 0.1 in | 2 | 13% | 11% | 10 mph | 14.7 h | 91 |
| Jul | 83°F | 56°F | 0.0 in | 0 | 19% | 11% | 9 mph | 14.5 h | 89 |
| Aug | 83°F | 56°F | 0.0 in | 1 | 17% | 11% | 9 mph | 13.6 h | 90 |
| Sep | 82°F | 55°F | 0.1 in | 2 | 11% | 14% | 8 mph | 12.3 h | 91 |
| Oct | 76°F | 51°F | 0.8 in | 4 | 10% | 16% | 7 mph | 11.1 h | 86 |
| Nov | 66°F | 44°F | 1.8 in | 5 | 9% | 21% | 5 mph | 10.1 h | 78 |
| Dec | 59°F | 40°F | 3.3 in | 7 | 13% | 33% | 5 mph | 9.6 h | 60 |
Morning fog is the share of hours from 6 to 10 AM with fog or low cloud. Midday cloud is the average from 11 AM to 3 PM, and afternoon wind is the average from 1 to 5 PM. The highlighted rows are the most comfortable months.
In summer, recent daily NOAA readings at Fremont average about 5°F cooler than the 1991-2020 normals. The normals average over a wider area that also covers nearby terrain. Read the monthly highs as a rough range, and use the recent months below for what Fremont has actually seen.
What makes Fremont's weather different
When the fog burns off
11 AMwhen July fog usually thins (24% foggy at 8 AM)
Fog or low cloud covers Fremont in 24% of 8 AM hours in July, the foggiest month. It usually thins to a third of that by 11 AM. May mornings are the least foggy (9%).
When the wind picks up
1 PMwhen afternoon wind builds, February–October
From February through October, wind at Fremont typically builds after 1 PM. In May it peaks around 5 PM, averaging 11 mph with 4% of those hours windy, while mornings average 3 mph.
Microclimate
−15°FCoyote Hills Regional Park, 5.6 mi away, on summer afternoons
Coyote Hills Regional Park, 5.6 miles away, runs about 15°F cooler than Fremont on summer afternoons.
Daylight
9.6–14.7 hof daylight, Dec to Jun
Days at Fremont range from about 9.6 hours in December to 14.7 hours in June. In mid-June the sun sets around 8:29 PM, and in mid-December around 4:56 PM.
Seasons at Fremont
- Warm seasonJun 26 – Sep 25 · highs 81°F+
The warm season lasts about 3 months, from Jun 26 to Sep 25, when the average high is 81°F or warmer. Highs peak around Jul 8 at about 83°F.
- Cool seasonNov 28 – Feb 26 · highs 64°F or lower
The cool season runs from Nov 28 to Feb 26, when the average high is 64°F or lower. The coldest nights come around Jan 1, with an average low near 40°F.
- Rainy seasonNov 26 – Mar 26 · 72% of the year's rain
The rainy season runs from Nov 26 to Mar 26, when a day has at least a 20% chance of measurable rain. That stretch brings 72% of the year's rain.
The dark line marks today. Season dates come from the smoothed daily NOAA 1991-2020 normals. Counting from Oct. 1, a typical year has its first inch of rain by Nov 4 and half of its annual total by Jan 27.
Days per year and extremes (Nov 1, 2024 to Oct 31, 2026)
This record runs from Nov 1, 2024 to Oct 31, 2026. Over this record, Fremont averaged 10 days a year at 90°F or hotter and no freezing nights. It averaged 8 days a year with at least half an inch of rain and 0 afternoons with wind of 20 mph or more at 2 PM. About 63 mornings a year had 3 or more hours of fog or low cloud.
In the same record, the hottest day was Sep 9, 2026 (98°F) and the coldest night was Jan 22, 2025 (33°F). The wettest day was Oct 14, 2025 (1.24 in.), and the strongest 2 PM gust was 34 mph on Feb 4, 2025.
- 10days at 90°F or hotter
- 0nights at or below freezing
- 8days with ½ in. of rain or more
- 0afternoons with 20+ mph wind
- 63mornings with 3+ hours of fog or low cloud
- Hottest day98°FSep 9, 2026
- Coldest night33°FJan 22, 2025
- Wettest day1.24 inOct 14, 2025
- Strongest 2 PM gust34 mphFeb 4, 2025
What shapes Fremont's weather
Within the city, temperature climbs from west to east. Ardenwood and the neighborhoods near the marshes feel the bay breeze first and stay coolest. Mission San Jose and Warm Springs, on the higher ground at the foot of Mission Ridge, are the warmest parts of town on summer afternoons. Niles is different again, because on hot days the inland valleys pull bay air east through Niles Canyon and the canyon mouth can turn breezy.
Winter storms usually arrive from the southwest, and the Santa Cruz Mountains take a share of their rain before it crosses the bay. The Fremont flats stay drier than the ridge behind them. On clear, still winter nights, cold air slides off Mission Ridge and settles on the bay plain, and low spots can see light frost on the coldest mornings. In fall, offshore winds blow from the dry interior toward the bay. During those events, east winds pour down the west face of the ridge and raise the fire danger on the grassy hills above town.
Tips for visiting Fremont
Ride BART into central Fremont
Fremont station is in central Fremont and connects to AC Transit buses.
Use Warm Springs for the south end
Warm Springs/South Fremont station sits in the Warm Springs district and is the southernmost BART stop in Alameda County.
Follow Alameda Creek to the bay
The Alameda Creek Regional Trail runs about 12 miles from the Niles district to the bay. The south side is paved and the north side is unpaved.
Swim only inside the ropes at Quarry Lakes
Niles Beach on Horseshoe Lake is the swim area, open weekends and holidays from mid-May to late September. The park is cashless.
Head west when the east side bakes
Ardenwood Historic Farm sits near the bay on the cooler side of town. It is closed Mondays except Memorial Day and Labor Day.
Fremont through the seasons
- Spring (March–May)
- The hills behind Mission San Jose and Niles stay green into April as the last storms taper off. The afternoon bay breeze strengthens through May as the inland valleys warm.
- Summer (June–August)
- Summer is mostly sunny and warm, hottest on the east side of town against the ridge. Some mornings start under low clouds pushed down the bay overnight, which usually clear by midmorning.
- Fall (September–October)
- September stays nearly as warm as midsummer as the sea breeze weakens. Offshore wind days dry out the hills and call for fire caution.
- Winter (November–February)
- Winter is the rainy season, with cool, clear stretches between storms. Still nights trap cold air and wood smoke on the flats. Wood fires are banned on winter Spare the Air days, which the regional air district declares when soot is forecast to reach unhealthy levels.
Activities and the weather that matters
- Cycling the Alameda Creek Trail: Best in the morning or on calm days. Riding west toward the bay on a summer afternoon usually means pedaling into the breeze.
- Swimming at Quarry Lakes: Quarry Lakes makes a good hot-weekend outing. The roped swim area at Niles Beach opens only in the warm months.
- Riding the Niles Canyon Railway: The heritage line boards at Niles and Sunol stations. Green spring days suit it best, since summer afternoons at the Sunol end run hotter than Niles.
- Visiting Ardenwood Historic Farm: The farm is comfortable most of the year. Its bayside location takes the edge off summer heat that builds on the east side of town.
Official sources and current conditions
- BART: Fremont station
- BART: Warm Springs/South Fremont station
- East Bay Regional Park District: Alameda Creek Regional Trail
- East Bay Regional Park District: Quarry Lakes
- National Weather Service, San Francisco Bay Area forecast office
Numbers on this page come from NOAA data. The text draws on the official sources linked above.
Historical Climate Data
Long-term weather patterns and climate data
Data sources: Recent temperatures come from NOAA URMA and recent precipitation from NOAA Stage IV. Fog, cloud, wind, humidity, and sunshine come from NOAA HRRR, and long-term baselines from NOAA 1991-2020 climate normals.
Climate Overview
Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline
🌟 Best Months to Visit
⚠️ Challenging Months
Monthly Breakdown
| Month | Comfort | High/Low | ☀️ Sun | 🌫️ Fog | 💧 Rain | Perfect |
|---|---|---|---|---|---|---|
| November 2024 | 84 | 64.2° / 45.7° | 6.5h | 1d | 1.45" | 23 |
| December 2024 | 76 | 61.9° / 45.7° | 5.1h | 4d | 2.72" | 14 |
| January 2025 | 85 | 61.4° / 40.8° | 6.9h | 1d | 0.1" | 23 |
| February 2025 | 80 | 62.7° / 44.7° | 6.4h | 0d | 3.38" | 17 |
| March 2025 | 85 | 63.6° / 46.8° | 8.5h | 3d | 1.56" | 23 |
| April 2025 | 92 | 68.4° / 49.7° | 9.4h | 1d | 0.43" | 28 |
| May 2025 | 95 | 73.5° / 53.1° | 11.6h | 0d | 0.11" | 31 |
| June 2025 | 94 | 74° / 54.8° | 11.9h | 3d | 0" | 30 |
| July 2025 | 93 | 75.5° / 58° | 11.1h | 7d | 0" | 31 |
| August 2025 | 92 | 80° / 59.8° | 10.5h | 5d | 0" | 30 |
| September 2025 | 92 | 79.6° / 62.5° | 9.2h | 1d | 0.06" | 27 |
| October 2025 | 89 | 73.1° / 54.4° | 7.9h | 4d | 1.71" | 27 |
| November 2025 | 81 | 65.6° / 49.7° | 6.5h | 4d | 2.41" | 18 |
| December 2025 | 75 | 59.4° / 45.1° | 5.3h | 6d | 1.65" | 9 |
| January 2026 | 83 | 63.1° / 43.8° | 6.6h | 3d | 2.23" | 23 |
| February 2026 | 81 | 65.1° / 47.5° | 6.7h | 5d | 2.79" | 19 |
| March 2026 | 94 | 76.9° / 52° | 9.5h | 1d | 0" | 30 |
| April 2026 | 87 | 68.7° / 51.3° | 8.4h | 2d | 2.24" | 23 |
| May 2026 | 92 | 72.3° / 54.3° | 11.1h | 4d | 0.52" | 31 |
| June 2026 | 95 | 76.9° / 57.6° | 11.8h | 0d | 0" | 30 |
| July 2026 | 93 | 77.5° / 59.2° | 10.9h | 1d | 0" | 30 |
| August 2026 | 93 | 78.7° / 59.6° | 10.4h | 4d | 0" | 31 |
| September 2026 | 93 | 78.1° / 58° | 10h | 3d | 0.04" | 30 |
| October 2026 | 90 | 76.4° / 54.1° | 8h | 3d | 0.14" | 28 |
Climate Trends
Average Temperature by Month
About the Fremont climate charts
The temperature chart compares average monthly highs and lows at Fremont, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.
Precipitation shows the total recorded or modeled rainfall for each month at Fremont. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.
Hourly Temperature, Fog, Wind, Cloud Cover, and Solar Radiation Patterns
Average local hour by month from 2014-09-30 to 2026-04-30
- Temperature: At Fremont, the warmest typical hour is 3 PM in August (79°F). The coldest is 7 AM in December (44°F).
- Fog: Fog or low cloud covers Fremont in 24% of 8 AM hours in July, the foggiest month. It usually thins to a third of that by 11 AM. May mornings are the least foggy (9%).
- Wind: From February through October, wind at Fremont typically builds after 1 PM. In May it peaks around 5 PM, averaging 11 mph with 4% of those hours windy, while mornings average 3 mph.
- Cloud Cover: July middays are the clearest at Fremont (11% average cloud cover), and December middays are the cloudiest (33%).
- Solar Radiation: The strongest typical sun at Fremont comes at 1 PM in July, averaging 978 W/m².
How to read the hourly heatmaps for Fremont
This heatmap shows how average temperature at Fremont changes by hour and month. Read left to right for the seasons and top to bottom for the time of day. Warmer colors mark the usual afternoon peaks, and cooler colors show overnight and winter lows.
This heatmap shows when fog or low cloud is most likely at Fremont. Darker cells mark the months and hours when fog has been most common. They help separate overnight or morning fog from cloud that tends to linger into the afternoon.
This heatmap shows the typical hourly wind pattern at Fremont through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.
This heatmap shows average cloud cover at Fremont for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.
This heatmap shows the average solar radiation reaching Fremont by month and hour. Brighter cells indicate the strongest typical sun, while muted cells can reflect nighttime, shorter winter days, cloud cover, smoke, or terrain shading.
Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage. The red marker shows the current month and hour.
How recent months compared at Fremont
- October 2026 recap: October 2026 at Fremont averaged a high of 76°F, 3°F warmer than October 2025 (73°F).
- Rain year: The 2025-26 rain year (Oct. 1 to Sep. 30) brought 13.6 in. of rain to Fremont, 79% of the 17.3 in. normal.
Location Details
Fremont weather questions
Everything you need to know about weather and visiting Fremont
What is the weather like at Fremont today?
It's 54°F at Fremont right now, with a comfort score of 79 (great). Monday's forecast high at Fremont is 56°F, 10°F below the mid November normal of 66°F. The best window today is 10 AM to 1 PM, at about 54°F with a 2 mph wind (comfort 61).
What is the best month to visit Fremont?
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Fremont are June, September, and August. The best hours are usually 10 AM to 1 PM in June, 11 AM to 2 PM in September, and 11 AM to 2 PM in August. The warm season lasts about 3 months, from Jun 26 to Sep 25, when the average high is 81°F or warmer. Highs peak around Jul 8 at about 83°F.
What are the warmest and coldest months at Fremont?
July is the warmest month at Fremont, with an average high of 83°F. January is the coldest, with an average low of 40°F.
When does the fog burn off at Fremont?
Fog or low cloud covers Fremont in 24% of 8 AM hours in July, the foggiest month. It usually thins to a third of that by 11 AM. May mornings are the least foggy (9%).
When is it windiest at Fremont?
From February through October, wind at Fremont typically builds after 1 PM. In May it peaks around 5 PM, averaging 11 mph with 4% of those hours windy, while mornings average 3 mph.
How much rain does Fremont get?
February is the wettest month (3.3 in.), out of about 17.3 in. a year. The rainy season runs from Nov 26 to Mar 26, when a day has at least a 20% chance of measurable rain. That stretch brings 72% of the year's rain. The 2025-26 rain year (Oct. 1 to Sep. 30) brought 13.6 in. of rain to Fremont, 79% of the 17.3 in. normal.
How does Fremont weather compare with Coyote Hills Regional Park?
Coyote Hills Regional Park, 5.6 miles away, runs about 15°F cooler than Fremont on summer afternoons.
What kind of place is Fremont?
Fremont fills the flat southeast corner of the East Bay, running from bayside marshes near the Coyote Hills to the steep west face of Mission Peak. The Niles district sits at the mouth of Niles Canyon, where Alameda Creek leaves the hills and a regional trail follows it about 12 miles to the bay. Warm Springs, at the south end, has the southernmost BART station in Alameda County. Few Bay Area cities run so directly from open marsh to a steep mountain face, and that span sets its weather.
What is Fremont weather like in November?
November at Fremont averages a high of 66°F and a low of 44°F, with 1.8 in. of rain over about 5 rainy days. Afternoon wind averages 5 mph.
More about Fremont weather
Guides that explain the weather here and nearby
- Fremont Weather Guide: Summer, Winter, Mission Peak and Nearby Cities
- How Atmospheric Rivers Impact the Bay Area
- Pineapple Express Storms: Tropical Moisture Invades California
- Fourth of July Weather in San Francisco: Will Fog Ruin the Fireworks?
- Urban Heat Island Effect in San Francisco and the Bay Area
- What Are Atmospheric Rivers? How They Drench the Bay Area
Data sources and methods
- Monthly temperatures and precipitation: NOAA 1991-2020 normals.
- Fog, cloud, wind, sun, and comfort by hour and month: NOAA's HRRR hourly analysis from September 2014 to April 2026.
- Daily records and recent months: NOAA URMA and HRRR analyses, plus NOAA Stage IV precipitation.
- Nearby comparisons and regional rankings use the same hourly HRRR summaries for every destination in the region.
- Alerts: National Weather Service. Tides and ocean temperature: NOAA CO-OPS, where shown.
- All statements on this page are computed from these datasets, apart from the “What shapes the weather” guide, which cites its sources inline.
- BART, Fremont Station (accessed 2026-10-27)
- BART, Warm Springs/South Fremont Station (accessed 2026-10-27)
- East Bay Regional Park District, Alameda Creek Regional Trail (accessed 2026-10-27)
- East Bay Regional Park District, Quarry Lakes Regional Recreation Area (accessed 2026-10-27)
- East Bay Regional Park District, Ardenwood Historic Farm (accessed 2026-10-27)
- Niles Canyon Railway (Pacific Locomotive Association) (accessed 2026-10-27)
- Bay Area Air District, Spare the Air (accessed 2026-10-27)
Rendered 2026-11-15T12:04:15.357Z.