Glen Park Weather
Town • San Francisco Bay Area
Glen Park is a village-scale neighborhood in a small valley below Diamond Heights. Its cafes and shops cluster around the Glen Park BART station at Diamond and Bosworth Streets. Just north, Glen Canyon Park cuts a steep ravine into the San Miguel Hills, with chert outcrops and eucalyptus groves. Islais Creek, one of the city's few free-flowing creeks, runs along its floor. That canyon, with Mount Davidson to the west and Twin Peaks at its head, gives Glen Park wilder terrain than Noe Valley or the Excelsior.
Plan your week
10-Day Forecast
Hour by hour
Hourly Forecast
Current Conditions
Comfort Breakdown
Glen Park weather today and through the year
It's 53°F at Glen Park right now (feels like 51°F), with 4 mph wind and a comfort score of 77. Monday's forecast high at Glen Park is 56°F, 7°F below the mid November normal of 63°F. No fog in the forecast for today at Glen Park. In November, 14% of morning hours here are foggy on average. The best window today is 8 AM to 11 AM, at about 53°F with a 7 mph wind (comfort 56).
September is the warmest month at Glen Park, with an average high of 75°F. January is the coldest, with an average low of 43°F. December is the wettest month (5.4 in.), out of about 26.2 in. a year. By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Glen Park are September, October, and August. The best hours are usually 11 AM to 2 PM in September, noon to 3 PM in October, and noon to 3 PM in August.
Glen Park sits on the south and east side of the San Miguel Hills, the cluster that includes Twin Peaks, Diamond Heights, and Mount Davidson. Those hills stand between the village and the ocean-facing Sunset. On many summer days the marine layer, the low deck of cool, foggy ocean air, clears here before it does to the west. Glen Park is more exposed on its southwest side than Noe Valley, though. The hills fall away there toward the lower ground along Monterey Boulevard and I-280, and on deep fog days the gray reaches the village from that direction.
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 Glen Park in the next few days
Active National Weather Service alerts
- High Surf Warning until Sun 4:00 AM
- High Surf Advisory until Tue 4:00 AM
Fog
No fog in the forecast for today at Glen Park. In November, 14% of morning hours here are foggy on average.
Best time to go
The best window today is 8 AM to 11 AM, at about 53°F with a 7 mph wind (comfort 56).
Best day this week
Of the next 7 days, Friday looks best for Glen Park, with a 60°F high and midday comfort near 79. Today looks weakest (42).
Rain
Next good chance of rain: today (73%, about 0.59 in.).
Live weather map
Weather around Glen Park right now
Overcast and 53° at Glen Park right now.
About the live weather map for Glen Park
The map centers on Glen Park 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.
Glen Park vs nearby places
Typical summer conditions compared with Glen Park, 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 Glen Park |
|---|---|---|---|---|---|
| Excelsior District | 0.7 mi | same | 44% | 13 mph | same 3 km weather-model cell, so our hourly data cannot tell them apart |
| Noe Valley | 1 mi | -1°F | 48% | 13 mph | a very similar climate |
| Bernal Heights | 1.1 mi | +4°F | 24% | 12 mph | less summer morning fog (24% vs 44% of morning hours) and about 4°F warmer on summer afternoons |
| Lafayette | 20.2 mi | +17°F | 13% | 9 mph | about 17°F warmer on summer afternoons and less summer morning fog (13% vs 44% of morning hours) |
| Walnut Creek | 23.5 mi | +19°F | 11% | 8 mph | about 19°F warmer on summer afternoons and less summer morning fog (11% vs 44% of morning hours) |
| Danville | 24.4 mi | +19°F | 3% | 8 mph | about 19°F warmer on summer afternoons and less summer morning fog (3% vs 44% of morning hours) |
Places with a climate like Glen Park's
- Davenport (52 mi away): nearly the same temperatures every month
- Santa Cruz Westside (58 mi away): nearly the same temperatures every month
- Año Nuevo Point (44 mi away): similar temperatures through the year
Climate Dashboard
Current conditions vs. NOAA normals and recent destination baseline
What the Glen Park climate comparisons mean
These cards compare recent conditions at Glen Park 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 Glen Park 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.
Glen Park weather by month
September is the warmest month at Glen Park, with an average high of 75°F. January is the coldest, with an average low of 43°F. December is the wettest month (5.4 in.), out of about 26.2 in. a year. Morning fog peaks in July, when fog or low cloud covers 51% of the hours from 6 to 10 AM. October has the clearest middays, with clouds covering about 24% of the sky from 11 AM to 3 PM.
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Glen Park are September, October, and August. The best hours are usually 11 AM to 2 PM in September, noon to 3 PM in October, and noon to 3 PM in August.
| Month | Avg high | Avg low | Rain | Rainy days | Morning fog | Midday cloud | Afternoon wind | Daylight | Comfort |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 57°F | 43°F | 4.9 in | 9 | 18% | 37% | 6 mph | 9.8 h | 36 |
| Feb | 60°F | 44°F | 5.0 in | 9 | 15% | 29% | 8 mph | 10.7 h | 42 |
| Mar | 62°F | 45°F | 3.7 in | 8 | 16% | 32% | 9 mph | 11.9 h | 61 |
| Apr | 64°F | 46°F | 1.8 in | 6 | 19% | 30% | 11 mph | 13.2 h | 66 |
| May | 67°F | 49°F | 0.8 in | 4 | 26% | 36% | 12 mph | 14.2 h | 63 |
| Jun | 71°F | 51°F | 0.2 in | 2 | 37% | 31% | 13 mph | 14.8 h | 72 |
| Jul | 73°F | 53°F | 0.0 in | 1 | 51% | 41% | 13 mph | 14.5 h | 73 |
| Aug | 74°F | 54°F | 0.1 in | 1 | 44% | 37% | 12 mph | 13.6 h | 79 |
| Sep | 75°F | 53°F | 0.1 in | 2 | 32% | 33% | 11 mph | 12.3 h | 86 |
| Oct | 71°F | 51°F | 1.2 in | 5 | 17% | 24% | 8 mph | 11.1 h | 82 |
| Nov | 63°F | 46°F | 2.9 in | 7 | 14% | 25% | 6 mph | 10.0 h | 67 |
| Dec | 57°F | 43°F | 5.4 in | 10 | 23% | 37% | 6 mph | 9.6 h | 36 |
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 Glen Park 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 Glen Park has actually seen.
What makes Glen Park's weather different
When the fog burns off
57%of 9 AM hours foggy in July
Fog or low cloud covers Glen Park in 57% of 9 AM hours in July, the foggiest month. It often lingers, and 37% of mid-afternoon hours are still foggy. November mornings are the least foggy (14%).
When the wind picks up
1 PMwhen afternoon wind builds, February–October
From February through October, wind at Glen Park typically builds after 1 PM. In June it peaks around 5 PM, averaging 14 mph with 39% of those hours windy, while mornings average 7 mph.
Model resolution
2 placesshare one 3 km NOAA HRRR grid cell
Glen Park shares one 3 km grid cell in NOAA's HRRR model with Excelsior District. The hourly fog, wind, cloud, and temperature patterns on this site are the same for both. Real differences between them come from hills, elevation, and wind exposure that the model cannot resolve.
Daylight
9.6–14.8 hof daylight, Dec to Jun
Days at Glen Park range from about 9.6 hours in December to 14.8 hours in June. In mid-June the sun sets around 8:34 PM, and in mid-December around 4:58 PM.
Seasons at Glen Park
- Warm seasonJul 3 – Oct 4 · highs 72°F+
The warm season lasts about 3.1 months, from Jul 3 to Oct 4, when the average high is 72°F or warmer. Highs peak around Sep 8 at about 75°F.
- Cool seasonNov 29 – Feb 28 · highs 61°F or lower
The cool season runs from Nov 29 to Feb 28, when the average high is 61°F or lower. The coldest nights come around Jan 8, with an average low near 43°F.
- Rainy seasonNov 5 – Apr 11 · 85% of the year's rain
The rainy season runs from Nov 5 to Apr 11, when a day has at least a 20% chance of measurable rain. That stretch brings 85% 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 Oct 26 and half of its annual total by Jan 23.
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, Glen Park averaged 3 days a year at 90°F or hotter and no freezing nights. It averaged 15 days a year with at least half an inch of rain and 2 afternoons with wind of 20 mph or more at 2 PM. About 149 mornings a year had 3 or more hours of fog or low cloud.
In the same record, the hottest day was Sep 9, 2026 (95°F) and the coldest night was Feb 10, 2025 (39°F). The wettest day was Nov 23, 2024 (2.93 in.), and the strongest 2 PM gust was 45 mph on Mar 12, 2025.
- 3days at 90°F or hotter
- 0nights at or below freezing
- 15days with ½ in. of rain or more
- 2afternoons with 20+ mph wind
- 149mornings with 3+ hours of fog or low cloud
- Hottest day95°FSep 9, 2026
- Coldest night39°FFeb 10, 2025
- Wettest day2.93 inNov 23, 2024
- Strongest 2 PM gust45 mphMar 12, 2025
What shapes Glen Park's weather
Glen Canyon makes its own microclimate. Its walls are steep, so on still, clear nights cool air slides off them and settles along Islais Creek. Early mornings at the bottom can feel noticeably colder than the streets on the rim. The west-facing grass and scrub on the canyon's east slope bake in afternoon sun, while the eucalyptus on the opposite wall falls into shade and stays damp.
In winter the hills around the canyon are among the wettest ground in San Francisco. A Weather Service rainfall study found the city's wettest zone over these south-central hills. Storms are forced up over the high ground, and the rising air squeezes out extra rain. Islais Creek runs fullest in winter.
Tips for visiting Glen Park
Take BART to the village
Glen Park station sits at the center of the neighborhood at Diamond and Bosworth Streets. Its parking lot is small, and BART says fill times vary by day, so plan to arrive by transit or on foot.
Walk the canyon trails
Glen Canyon Park has a 3.7-mile trail network through creekside, grassland, and scrub habitats. The park's address is Elk and Chenery Streets, and it is open 5 a.m. to midnight.
Climb from the creek to Twin Peaks
The 1.2-mile Creek to Peaks trail starts along Islais Creek and rises toward Twin Peaks. Expect more wind as you climb out of the canyon.
Wear shoes with grip after rain
The canyon walls are extremely steep and many trails cross them, so mud and loose rock are common after storms.
Glen Park through the seasons
- Spring (March–May)
- Spring is peak wildflower season. California poppy, blue-eyed grass, checkerbloom, and mule's ears color the canyon's grassland.
- Summer (June–August)
- Summer leaves the grassland parched and golden. Mornings are often gray, and fog lingers longer on Mount Davidson to the west than in the village.
- Fall (September–October)
- Warm spells come with dry offshore wind, and the canyon stays golden until the first rains.
- Winter (November–February)
- Rain turns the canyon green by February, and Islais Creek runs strongest. The south-central hills get some of the city's highest rainfall.
Activities and the weather that matters
- Canyon hiking: The canyon works in most dry weather, since it is more sheltered from wind than the hilltops. Summer mornings on the trail are cool and shaded.
- Wildflower and creek walks: Go from February through spring, after winter rain has filled the creek and greened the slopes.
- Playground and ball fields: The recreation area at the south end of the canyon is the warmest, most sheltered part of the park on sunny afternoons.
Official sources and current conditions
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 | 79 | 62.3° / 49.1° | 6.6h | 5d | 4.58" | 20 |
| December 2024 | 70 | 59.6° / 47.8° | 4.9h | 10d | 5.81" | 12 |
| January 2025 | 83 | 59.8° / 45.2° | 7.1h | 6d | 0.18" | 20 |
| February 2025 | 74 | 60.4° / 46.2° | 6.5h | 6d | 7.04" | 13 |
| March 2025 | 78 | 61° / 47.3° | 8.1h | 4d | 1.78" | 15 |
| April 2025 | 82 | 61.9° / 49.1° | 9.4h | 11d | 0.38" | 17 |
| May 2025 | 87 | 65.9° / 51.1° | 11.7h | 6d | 0.16" | 26 |
| June 2025 | 79 | 64.1° / 52.4° | 11.3h | 21d | 0" | 13 |
| July 2025 | 79 | 64.5° / 54.8° | 9.9h | 25d | 0" | 10 |
| August 2025 | 83 | 69.4° / 56.8° | 10.1h | 17d | 0.02" | 17 |
| September 2025 | 85 | 72° / 59.4° | 9h | 10d | 0.12" | 22 |
| October 2025 | 85 | 69.2° / 55.3° | 7.8h | 7d | 1.09" | 24 |
| November 2025 | 77 | 63.3° / 51.9° | 6.5h | 14d | 3" | 11 |
| December 2025 | 66 | 56.2° / 46.8° | 4.7h | 13d | 4.87" | 3 |
| January 2026 | 79 | 61° / 47.2° | 6.6h | 2d | 4" | 20 |
| February 2026 | 77 | 63.1° / 49.1° | 6.5h | 6d | 4.67" | 16 |
| March 2026 | 92 | 72.9° / 53.1° | 9.6h | 2d | 0.05" | 28 |
| April 2026 | 83 | 64.7° / 51.4° | 9.2h | 7d | 3.93" | 21 |
| May 2026 | 85 | 65.4° / 52.4° | 11.1h | 11d | 0.64" | 23 |
| June 2026 | 85 | 67.3° / 54.4° | 11.2h | 14d | 0.02" | 18 |
| July 2026 | 84 | 67.8° / 55.9° | 10.7h | 12d | 0" | 21 |
| August 2026 | 83 | 67.8° / 56.5° | 9.8h | 23d | 0" | 18 |
| September 2026 | 87 | 70.3° / 57.1° | 9.4h | 7d | 0.08" | 24 |
| October 2026 | 89 | 71.4° / 54.7° | 8.3h | 3d | 0.18" | 28 |
Climate Trends
Average Temperature by Month
About the Glen Park climate charts
The temperature chart compares average monthly highs and lows at Glen Park, 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 Glen Park. 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 Glen Park, the warmest typical hour is 2 PM in September (70°F). The coldest is 7 AM in January (46°F).
- Fog: Fog or low cloud covers Glen Park in 57% of 9 AM hours in July, the foggiest month. It often lingers, and 37% of mid-afternoon hours are still foggy. November mornings are the least foggy (14%).
- Wind: From February through October, wind at Glen Park typically builds after 1 PM. In June it peaks around 5 PM, averaging 14 mph with 39% of those hours windy, while mornings average 7 mph.
- Cloud Cover: October middays are the clearest at Glen Park (24% average cloud cover), and July middays are the cloudiest (41%).
- Solar Radiation: The strongest typical sun at Glen Park comes at 1 PM in June, averaging 856 W/m².
How to read the hourly heatmaps for Glen Park
This heatmap shows how average temperature at Glen Park 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 Glen Park. 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 Glen Park 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 Glen Park 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 Glen Park 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 Glen Park
- October 2026 recap: October 2026 at Glen Park averaged a high of 71°F, close to the 1991-2020 normal of 71°F. It brought 0.18 in. of rain, compared with a normal of 1.21 in.
- Rain year: The 2025-26 rain year (Oct. 1 to Sep. 30) brought 22.4 in. of rain to Glen Park, 85% of the 26.2 in. normal.
Location Details
Glen Park weather questions
Everything you need to know about weather and visiting Glen Park
What is the weather like at Glen Park today?
It's 53°F at Glen Park right now, with a comfort score of 77 (great). Monday's forecast high at Glen Park is 56°F, 7°F below the mid November normal of 63°F. The best window today is 8 AM to 11 AM, at about 53°F with a 7 mph wind (comfort 56).
What is the best month to visit Glen Park?
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Glen Park are September, October, and August. The best hours are usually 11 AM to 2 PM in September, noon to 3 PM in October, and noon to 3 PM in August. The warm season lasts about 3.1 months, from Jul 3 to Oct 4, when the average high is 72°F or warmer. Highs peak around Sep 8 at about 75°F.
What are the warmest and coldest months at Glen Park?
September is the warmest month at Glen Park, with an average high of 75°F. January is the coldest, with an average low of 43°F.
When does the fog burn off at Glen Park?
Fog or low cloud covers Glen Park in 57% of 9 AM hours in July, the foggiest month. It often lingers, and 37% of mid-afternoon hours are still foggy. November mornings are the least foggy (14%).
When is it windiest at Glen Park?
From February through October, wind at Glen Park typically builds after 1 PM. In June it peaks around 5 PM, averaging 14 mph with 39% of those hours windy, while mornings average 7 mph.
How much rain does Glen Park get?
December is the wettest month (5.4 in.), out of about 26.2 in. a year. The rainy season runs from Nov 5 to Apr 11, when a day has at least a 20% chance of measurable rain. That stretch brings 85% of the year's rain. The 2025-26 rain year (Oct. 1 to Sep. 30) brought 22.4 in. of rain to Glen Park, 85% of the 26.2 in. normal.
What kind of place is Glen Park?
Glen Park is a village-scale neighborhood in a small valley below Diamond Heights. Its cafes and shops cluster around the Glen Park BART station at Diamond and Bosworth Streets. Just north, Glen Canyon Park cuts a steep ravine into the San Miguel Hills, with chert outcrops and eucalyptus groves. Islais Creek, one of the city's few free-flowing creeks, runs along its floor. That canyon, with Mount Davidson to the west and Twin Peaks at its head, gives Glen Park wilder terrain than Noe Valley or the Excelsior.
What is Glen Park weather like in November?
November at Glen Park averages a high of 63°F and a low of 46°F, with 2.9 in. of rain over about 7 rainy days. About 14% of morning hours are foggy. Afternoon wind averages 6 mph.
More about Glen Park 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.
- BART, Glen Park station (accessed 2026-10-27)
- San Francisco Recreation and Parks, Glen Canyon Park (accessed 2026-10-27)
- SF Recreation and Parks, Significant Natural Resource Areas Management Plan, section 6.3 Glen Canyon Park and O'Shaughnessy Hollow (final draft, February 2006) (accessed 2026-10-27)
- National Weather Service, Climate of San Francisco (NOAA Technical Memorandum NWS WR-126, Jan Null, 1995) (accessed 2026-10-27)
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