Pleasant Hill Weather
Town • San Francisco Bay Area
Pleasant Hill is a mostly residential city on the western side of the Diablo Valley. It sits between Martinez to the north, Walnut Creek to the south, and Concord to the east, with the Briones Hills rising to the west. Diablo Valley College and a walkable downtown sit near its center. The Contra Costa Canal Trail and the Iron Horse Trail meet near the Pleasant Hill/Contra Costa Centre BART station, just past its southern edge.
Plan your week
10-Day Forecast
Hour by hour
Hourly Forecast
Current Conditions
Comfort Breakdown
Pleasant Hill weather today and through the year
It's 53°F at Pleasant Hill right now (feels like 51°F), with 4 mph wind and a comfort score of 77. Monday's forecast high at Pleasant Hill is 57°F, 8°F below the mid November normal of 65°F. No fog in the forecast for today at Pleasant Hill. In November, 12% of morning hours here are foggy on average. The best window today is 1 PM to 4 PM, at about 52°F with a 2 mph wind (comfort 61).
July is the warmest month at Pleasant Hill, with an average high of 87°F. December is the coldest, with an average low of 39°F. December is the wettest month (4.1 in.), out of about 20.5 in. a year. By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Pleasant Hill are September, June, and October. The best hours are usually 9 AM to noon in September, 9 AM to noon in June, and 11 AM to 2 PM in October.
Pleasant Hill sits on the sheltered east side of the Briones Hills, part of the Coast Range wall that keeps most ocean air out of the Diablo Valley. That shelter, and the miles between the city and any large body of water, give it the valley's hot summers and cool winters. Martinez, a few miles north on the shoreline, has a milder climate.
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 Pleasant Hill in the next few days
No active National Weather Service alerts for this location.
Fog
No fog in the forecast for today at Pleasant Hill. In November, 12% of morning hours here are foggy on average.
Best time to go
The best window today is 1 PM to 4 PM, at about 52°F with a 2 mph wind (comfort 61).
Best day this week
Of the next 7 days, Friday looks best for Pleasant Hill, with a 60°F high and midday comfort near 78. Wednesday looks weakest (57).
Rain
Next good chance of rain: today (75%, about 0.13 in.).
Live weather map
Weather around Pleasant Hill right now
Overcast and 53° at Pleasant Hill right now.
About the live weather map for Pleasant Hill
The map centers on Pleasant Hill 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.
Pleasant Hill vs nearby places
Typical summer conditions compared with Pleasant Hill, 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 Pleasant Hill |
|---|---|---|---|---|---|
| Walnut Creek | 2.6 mi | -1°F | 11% | 8 mph | a very similar climate |
| Concord | 2.6 mi | same | 9% | 8 mph | a very similar climate |
| Alhambra Valley | 4.4 mi | -4°F | 14% | 11 mph | windier summer afternoons (11 vs 7 mph) and about 4°F cooler on summer afternoons |
| Alcatraz Island | 21.4 mi | -27°F | 34% | 19 mph | about 27°F cooler on summer afternoons and windier summer afternoons (19 vs 7 mph) |
| Crissy Field | 24.1 mi | -27°F | 40% | 18 mph | about 27°F cooler on summer afternoons and windier summer afternoons (18 vs 7 mph) |
| Presidio of San Francisco | 24.4 mi | -27°F | 40% | 18 mph | about 27°F cooler on summer afternoons and windier summer afternoons (18 vs 7 mph) |
Places with a climate like Pleasant Hill's
- Dublin (18 mi away): nearly the same temperatures every month
- Evergreen (47 mi away): nearly the same temperatures every month
- Pleasanton (22 mi away): nearly the same temperatures every month
Climate Dashboard
Current conditions vs. NOAA normals and recent destination baseline
What the Pleasant Hill climate comparisons mean
These cards compare recent conditions at Pleasant Hill 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 Pleasant Hill 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.
Pleasant Hill weather by month
July is the warmest month at Pleasant Hill, with an average high of 87°F. December is the coldest, with an average low of 39°F. December is the wettest month (4.1 in.), out of about 20.5 in. a year. Morning fog peaks in December, when fog or low cloud covers 26% of the hours from 6 to 10 AM. July has the clearest middays, with clouds covering about 5% of the sky from 11 AM to 3 PM.
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Pleasant Hill are September, June, and October. The best hours are usually 9 AM to noon in September, 9 AM to noon in June, and 11 AM to 2 PM in October.
| Month | Avg high | Avg low | Rain | Rainy days | Morning fog | Midday cloud | Afternoon wind | Daylight | Comfort |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 56°F | 39°F | 4.1 in | 8 | 23% | 35% | 5 mph | 9.8 h | 59 |
| Feb | 61°F | 42°F | 3.9 in | 8 | 12% | 25% | 7 mph | 10.7 h | 65 |
| Mar | 66°F | 44°F | 3.1 in | 7 | 7% | 28% | 7 mph | 11.9 h | 70 |
| Apr | 70°F | 46°F | 1.4 in | 5 | 4% | 21% | 8 mph | 13.2 h | 81 |
| May | 76°F | 50°F | 0.6 in | 3 | 6% | 16% | 9 mph | 14.2 h | 84 |
| Jun | 83°F | 54°F | 0.1 in | 2 | 10% | 6% | 8 mph | 14.8 h | 87 |
| Jul | 87°F | 56°F | 0.0 in | 0 | 12% | 5% | 7 mph | 14.5 h | 85 |
| Aug | 87°F | 56°F | 0.0 in | 1 | 8% | 6% | 7 mph | 13.6 h | 84 |
| Sep | 85°F | 54°F | 0.1 in | 1 | 5% | 10% | 7 mph | 12.3 h | 88 |
| Oct | 77°F | 50°F | 0.9 in | 4 | 5% | 14% | 6 mph | 11.1 h | 86 |
| Nov | 65°F | 44°F | 2.0 in | 6 | 12% | 24% | 5 mph | 10.0 h | 77 |
| Dec | 57°F | 39°F | 4.1 in | 8 | 26% | 39% | 5 mph | 9.5 h | 56 |
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.
What makes Pleasant Hill's weather different
When the fog burns off
4 PMwhen December fog usually thins (29% foggy at 8 AM)
Fog or low cloud covers Pleasant Hill in 29% of 8 AM hours in December, the foggiest month. It usually thins to a third of that by 4 PM. April mornings are the least foggy (4%).
When the wind picks up
2 PMwhen afternoon wind builds, March–September
From March through September, wind at Pleasant Hill typically builds after 2 PM. In May it peaks around 5 PM, averaging 10 mph with 1% of those hours windy, while mornings average 5 mph.
Hot hours
4 habove 85°F on a typical July afternoon
In July, the average temperature stays at or above 85°F for 4 hours a day.
Daylight
9.5–14.8 hof daylight, Dec to Jun
Days at Pleasant Hill range from about 9.5 hours in December to 14.8 hours in June. In mid-June the sun sets around 8:32 PM, and in mid-December around 4:53 PM.
Seasons at Pleasant Hill
- Warm seasonJun 8 – Sep 25 · highs 83°F+
The warm season lasts about 3.6 months, from Jun 8 to Sep 25, when the average high is 83°F or warmer. Highs peak around Jul 8 at about 87°F.
- Hot afternoonsJul 2 – Sep 4 · highs 85°F+
Average highs reach 85°F or more from Jul 2 to Sep 4.
- Cool seasonNov 27 – Feb 26 · highs 63°F or lower
The cool season runs from Nov 27 to Feb 26, when the average high is 63°F or lower. The coldest nights come around Dec 8, with an average low near 39°F.
- Rainy seasonNov 16 – Mar 29 · 78% of the year's rain
The rainy season runs from Nov 16 to Mar 29, when a day has at least a 20% chance of measurable rain. That stretch brings 78% 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 1 and half of its annual total by Jan 24.
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, Pleasant Hill averaged 44 days a year at 90°F or hotter and 1 night a year at or below freezing. It averaged 13 days a year with at least half an inch of rain and 1 afternoon with wind of 20 mph or more at 2 PM. About 54 mornings a year had 3 or more hours of fog or low cloud.
In the same record, the hottest day was Jul 14, 2026 (103°F) and the coldest night was Jan 22, 2025 (32°F). The wettest day was Nov 23, 2024 (1.56 in.), and the strongest 2 PM gust was 40 mph on Mar 12, 2025.
- 44days at 90°F or hotter
- 1night at or below freezing
- 13days with ½ in. of rain or more
- 1afternoon with 20+ mph wind
- 54mornings with 3+ hours of fog or low cloud
- Hottest day103°FJul 14, 2026
- Coldest night32°FJan 22, 2025
- Wettest day1.56 inNov 23, 2024
- Strongest 2 PM gust40 mphMar 12, 2025
What shapes Pleasant Hill's weather
Where Pleasant Hill differs from Walnut Creek is its position along the path the sea breeze takes into the valley. Afternoon wind that funnels east through the Carquinez Strait spills south past Martinez into the north end of the valley. Pleasant Hill often catches that cooling breeze somewhat sooner than towns farther south toward Danville. It still arrives later and weaker than at the strait itself.
On calm winter nights, cold air drains off the Briones Hills and settles in the creek bottoms and low streets. The lowest neighborhoods can wake to frost or fog. Still winter days can also trap wood smoke near the ground. Light winds and inversions, where a layer of warmer air sits over cold air at the surface, let pollution linger.
Tips for visiting Pleasant Hill
Use the BART station as your trailhead
BART, buses, Highway 680, and the Iron Horse Trail all converge at Pleasant Hill/Contra Costa Centre Station on Treat Boulevard.
Ride the Contra Costa Canal Trail
The paved Contra Costa Canal Trail runs through Pleasant Hill on its loop between Martinez, Walnut Creek, and Concord. It is a good choice on mild mornings, since shade along the canal is limited.
Plan summer walks for morning or evening
The Coast Range blocks marine air from the valley, so summer afternoons are warm to hot and shade along the canal is limited.
Watch winter air quality
Fine-particle pollution is mainly a winter problem here, worst on cold, calm days when smoke stays near the ground.
Pleasant Hill through the seasons
- Spring (March–May)
- The Briones Hills west of town stay green into spring, and mild afternoons make this the easiest season for long trail rides.
- Summer (June–August)
- Summer afternoons are hot, eased by a westerly breeze that arrives from the Carquinez Strait late in the day.
- Fall (September–October)
- Some of the year's hottest days can still land in early fall, when the sea breeze weakens. The first rains usually return by late October.
- Winter (November–February)
- Winter is the rainy season, with cold, sometimes foggy mornings in low spots and occasional smoky, stagnant days.
Activities and the weather that matters
- Biking the Iron Horse and Canal trails: Both trails are paved and largely open to the sky, so mild mornings are best. Summer afternoons get hot, and winter rain leaves the trails wet but rideable.
- Walking downtown Pleasant Hill: Downtown is comfortable most of the year. On summer heat days, go in the evening once the breeze arrives.
- Hiking the Briones Hills: The hills are green and cool in winter and spring. Exposed grassy ridges are hot and dry by midsummer.
Official sources and current conditions
- BART: Pleasant Hill/Contra Costa Centre Station
- East Bay Regional Park District: Contra Costa Canal Trail
- East Bay Regional Park District: Alerts and closures
- Bay Area Air Quality Management District: Contra Costa County
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 | 83 | 63.6° / 45° | 6.5h | 3d | 2.51" | 22 |
| December 2024 | 70 | 58.4° / 44.2° | 4.7h | 11d | 4.48" | 9 |
| January 2025 | 83 | 60.1° / 39.2° | 6.9h | 5d | 0.12" | 23 |
| February 2025 | 78 | 62.1° / 43.2° | 6.6h | 3d | 5.6" | 18 |
| March 2025 | 87 | 64.1° / 45.6° | 8.5h | 1d | 1.89" | 25 |
| April 2025 | 94 | 71.5° / 49° | 9.8h | 0d | 0.27" | 28 |
| May 2025 | 94 | 78.8° / 53.6° | 12.4h | 0d | 0.2" | 29 |
| June 2025 | 96 | 81.6° / 55.1° | 12.7h | 0d | 0" | 30 |
| July 2025 | 94 | 82.1° / 57.8° | 12.3h | 0d | 0" | 29 |
| August 2025 | 89 | 89.1° / 60° | 11.4h | 1d | 0" | 25 |
| September 2025 | 92 | 83.9° / 62° | 9.9h | 0d | 0.16" | 28 |
| October 2025 | 89 | 74.5° / 53.6° | 7.8h | 0d | 1.56" | 27 |
| November 2025 | 78 | 64.5° / 49.3° | 6h | 12d | 2.41" | 17 |
| December 2025 | 63 | 55.1° / 44.8° | 4.5h | 19d | 3.48" | 3 |
| January 2026 | 73 | 59.9° / 42.5° | 6.3h | 16d | 3.15" | 12 |
| February 2026 | 79 | 64.6° / 45.2° | 6.6h | 6d | 3.93" | 19 |
| March 2026 | 94 | 79.2° / 51.6° | 9.6h | 1d | 0.02" | 30 |
| April 2026 | 89 | 70.3° / 50.2° | 9.1h | 1d | 3.45" | 25 |
| May 2026 | 95 | 76.8° / 54.1° | 11.7h | 0d | 0.51" | 30 |
| June 2026 | 94 | 82.6° / 57.6° | 12.6h | 1d | 0" | 29 |
| July 2026 | 92 | 86.7° / 59.5° | 11.6h | 0d | 0" | 28 |
| August 2026 | 92 | 88.4° / 59.8° | 11.1h | 0d | 0" | 29 |
| September 2026 | 93 | 82.5° / 58° | 10.2h | 0d | 0.3" | 28 |
| October 2026 | 90 | 79.4° / 53.6° | 8.2h | 2d | 0.38" | 28 |
Climate Trends
Average Temperature by Month
About the Pleasant Hill climate charts
The temperature chart compares average monthly highs and lows at Pleasant Hill, 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 Pleasant Hill. 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 Pleasant Hill, the warmest typical hour is 4 PM in August (87°F). The coldest is 7 AM in December (43°F).
- Fog: Fog or low cloud covers Pleasant Hill in 29% of 8 AM hours in December, the foggiest month. It usually thins to a third of that by 4 PM. April mornings are the least foggy (4%).
- Wind: From March through September, wind at Pleasant Hill typically builds after 2 PM. In May it peaks around 5 PM, averaging 10 mph with 1% of those hours windy, while mornings average 5 mph.
- Cloud Cover: July middays are the clearest at Pleasant Hill (5% average cloud cover), and December middays are the cloudiest (39%).
- Solar Radiation: The strongest typical sun at Pleasant Hill comes at 1 PM in July, averaging 995 W/m².
How to read the hourly heatmaps for Pleasant Hill
This heatmap shows how average temperature at Pleasant Hill 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 Pleasant Hill. 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 Pleasant Hill 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 Pleasant Hill 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 Pleasant Hill 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 Pleasant Hill
- October 2026 recap: October 2026 at Pleasant Hill averaged a high of 79°F, 3°F warmer than the 1991-2020 normal of 77°F. It brought 0.38 in. of rain, compared with a normal of 0.95 in.
- Rain year: The 2025-26 rain year (Oct. 1 to Sep. 30) brought 18.8 in. of rain to Pleasant Hill, 92% of the 20.5 in. normal.
Location Details
Pleasant Hill weather questions
Everything you need to know about weather and visiting Pleasant Hill
What is the weather like at Pleasant Hill today?
It's 53°F at Pleasant Hill right now, with a comfort score of 77 (great). Monday's forecast high at Pleasant Hill is 57°F, 8°F below the mid November normal of 65°F. The best window today is 1 PM to 4 PM, at about 52°F with a 2 mph wind (comfort 61).
What is the best month to visit Pleasant Hill?
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Pleasant Hill are September, June, and October. The best hours are usually 9 AM to noon in September, 9 AM to noon in June, and 11 AM to 2 PM in October. The warm season lasts about 3.6 months, from Jun 8 to Sep 25, when the average high is 83°F or warmer. Highs peak around Jul 8 at about 87°F.
What are the warmest and coldest months at Pleasant Hill?
July is the warmest month at Pleasant Hill, with an average high of 87°F. December is the coldest, with an average low of 39°F.
When does the fog burn off at Pleasant Hill?
Fog or low cloud covers Pleasant Hill in 29% of 8 AM hours in December, the foggiest month. It usually thins to a third of that by 4 PM. April mornings are the least foggy (4%).
When is it windiest at Pleasant Hill?
From March through September, wind at Pleasant Hill typically builds after 2 PM. In May it peaks around 5 PM, averaging 10 mph with 1% of those hours windy, while mornings average 5 mph.
How much rain does Pleasant Hill get?
December is the wettest month (4.1 in.), out of about 20.5 in. a year. The rainy season runs from Nov 16 to Mar 29, when a day has at least a 20% chance of measurable rain. That stretch brings 78% of the year's rain. The 2025-26 rain year (Oct. 1 to Sep. 30) brought 18.8 in. of rain to Pleasant Hill, 92% of the 20.5 in. normal.
What kind of place is Pleasant Hill?
Pleasant Hill is a mostly residential city on the western side of the Diablo Valley. It sits between Martinez to the north, Walnut Creek to the south, and Concord to the east, with the Briones Hills rising to the west. Diablo Valley College and a walkable downtown sit near its center. The Contra Costa Canal Trail and the Iron Horse Trail meet near the Pleasant Hill/Contra Costa Centre BART station, just past its southern edge.
What is Pleasant Hill weather like in November?
November at Pleasant Hill averages a high of 65°F and a low of 44°F, with 2.0 in. of rain over about 6 rainy days. About 12% of morning hours are foggy. Afternoon wind averages 5 mph.
More about Pleasant Hill weather
Guides that explain the weather here and nearby
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.
- Bay Area Air Quality Management District, Contra Costa County community page (updated Apr 21, 2017) (accessed 2026-10-27)
- BART, Pleasant Hill/Contra Costa Centre Station (accessed 2026-10-27)
- East Bay Regional Park District, Contra Costa Canal Trail (accessed 2026-10-27)
Rendered 2026-11-15T12:04:19.290Z.