Sunol Regional Wilderness Weather

ParkSan Francisco Bay Area

Alameda Creek canyon wilderness

68°
🙂
Comfort Score
83(B)
Great
Weather updated August 16, 2026 at 9:31 PM PDT

Sunol Regional Wilderness weather at a glance

Sunol Regional Wilderness is a park at 1,200 feet in San Francisco Bay Area. Alameda Creek canyon wilderness. Notable features include sunny, warm, hiking, and creek.

Current conditions are 68°F, feeling like 68°F, with 57% humidity, winds near 6 mph, 100% cloud cover, and a 0% chance of precipitation. Mild and overcast.

The location-specific climate baseline shows an average daily high of 70°F and an average low of 49°F, with about 0.0 hours of sunshine per day and 0.0 hours of morning fog per day. Expected annual precipitation is approximately 18.1 inches.

Current Conditions

Temperature
68°F
Feels like 68°F
Humidity
57%
Wind
6 mph
NW • Gusts 10 mph
Cloud Cover
100%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature100
Wind90
Night Sky5
Humidity85
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now70°83 (B)5 mph0%☁️ Cloudy
10pm67°79 (B)7 mph0%☁️ Cloudy
11pm66°81 (B)5 mph0% Partly Cloudy

Tomorrow

TimeTempComfortAQIWindPrecipConditions
12am64°79 (B)1 mph0%☁️ Cloudy
1am63°77 (B)2 mph0%☁️ Cloudy
2am61°74 (B-)2 mph0%☁️ Cloudy
3am60°72 (B-)3 mph0%☁️ Cloudy
4am58°69 (C)2 mph0%☁️ Cloudy
5am59°71 (B-)2 mph0%☁️ Cloudy
6am59°71 (B-)1 mph0%☁️ Cloudy
7am58°69 (C)1 mph0%☁️ Cloudy
8am63°76 (B)1 mph0%☁️ Cloudy
How to read the Sunol Regional Wilderness hourly chart

The hourly chart follows the next 48 forecast hours at Sunol Regional Wilderness. Use the temperature view to see warming and cooling through the day, and the comfort view to see when the combined temperature, wind, clouds, precipitation, and air quality should feel most favorable.

The wind view compares sustained wind with stronger gusts at Sunol Regional Wilderness. The AQI view uses the current observation for “Now” and modeled AQI-equivalent guidance for later hours when forecast smoke data is available.

Weather Maps

About the weather maps for Sunol Regional Wilderness

Each preview is centered on Sunol Regional Wilderness, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Sunol Regional Wilderness. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today84° / 58°79 (B)0%☀️ Sunny
Mon🏆 Best82° / 58°82 (B)0%☀️ Sunny
Tue85° / 55°78 (B)0%☀️ Sunny
Wed91° / 55°72 (B-)0%☀️ Sunny
Thu88° / 54°71 (B-)0%☀️ Sunny
Fri87° / 57°76 (B)0%☀️ Sunny
Sat87° / 57°76 (B)1%☀️ Sunny

Best day this week: Mon (Comfort score: 82)

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
84°Fforecast
1° below normal
Normal: 85°F
Rainfall Year-to-Date
12.8"
11% below average
30-yr avg: 14.4"
Sunny Days
23last 28 days
3 fewer than baseline
Recent baseline: 26
Foggy Days
9last 28 days
vs 5 recent baseline
Foggier than usual
Avg Wind Speed
6.5 mphlast 28 days
Typical conditions
Recent baseline: 6.8 mph
Comfort Score
8628-day avg
4 pts below typical
Recent baseline: 90
What the Sunol Regional Wilderness climate comparisons mean

These cards compare recent conditions at Sunol Regional Wilderness 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 Sunol Regional Wilderness 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.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA URMA for recent temperature history, NOAA Stage IV for recent precipitation, NOAA HRRR for fog, cloud, wind, humidity, and sunshine signals, and NOAA 1991-2020 climate normals for long-term baselines.

Climate Overview

Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline

86
Avg Comfort
69.9°
Avg High
49°
Avg Low
82%
Perfect Days
☀️ Avg Sunshine (recent)9.8h/day
🌫️ Avg Fog (recent)1h/day
💧 Avg Annual Rain18.1"
🌧️ Rainy Days/yr83 (23%)
🌫️ Foggy Days/yr (recent)43
✨ Perfect Days (80+)526

🌟 Best Months to Visit

1. June89
79.5° / 54.2° · ☀️ 13.7h
0 foggy days · 5 rainy days
2. July79
84.8° / 59° · ☀️ 13.3h
1 foggy days · 5 rainy days
3. August75
84.7° / 59.2° · ☀️ 12.3h
2 foggy days · 5 rainy days

⚠️ Challenging Months

1. December38
55.5° / 40.3° · ☀️ 6.7h
💧 3.1" · 10 rainy days · 6 foggy days
2. February47
57.8° / 41.7° · ☀️ 7.5h
💧 2.8" · 9 rainy days · 5 foggy days
3. January47
56° / 40.1° · ☀️ 7.9h
💧 3.1" · 10 rainy days · 3 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20249380.5° / 58.6°12.4h1d0.08"27
September 20249181.1° / 58.4°11.1h4d0.23"28
October 20248978.8° / 58.6°10.1h0d0.22"25
November 20248161.3° / 45.7°7.1h5d2.21"21
December 20247861° / 45.5°6.6h7d5.04"21
January 20258458° / 40.3°8.2h3d0.6"26
February 20257759.1° / 43°7h6d5.49"17
March 20257759° / 43.9°9.3h4d4.62"18
April 20258965.9° / 46.4°11h6d0.67"25
May 20259272.5° / 50.1°12.7h1d0.31"30
June 20259476.6° / 52.5°13.7h0d0"30
July 20259377° / 54.5°13.3h1d0"31
August 20259281.8° / 57.7°12.2h2d0.08"30
September 20259179.9° / 59.4°10.7h3d0.33"29
October 20258971.4° / 52.7°8.9h6d1.75"24
November 20258364.4° / 48.9°7.5h7d4.08"22
December 20257858.9° / 45.2°6.9h4d3.52"20
January 20268260.1° / 44.2°7.5h2d2.89"23
February 20268061.7° / 46.1°8h3d4.85"19
March 20269373.6° / 51.8°10.8h2d0.41"29
April 20268565.2° / 48.1°11h3d4.49"22
May 20268666.6° / 49.8°10.6h6d0.14"9
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

88°F76°F64°F52°F41°FOct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26
Average High
Average Low
About the Sunol Regional Wilderness climate charts

The temperature chart compares average monthly highs and lows at Sunol Regional Wilderness, 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 Sunol Regional Wilderness. 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

How to read the temperature heatmap for Sunol Regional Wilderness

This heatmap shows how average temperature at Sunol Regional Wilderness changes by hour and month. Read left to right for the seasons and top to bottom for the time of day; warmer colors identify the usual afternoon peaks and cooler colors show overnight and winter lows.

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 to read the fog heatmap for Sunol Regional Wilderness

This heatmap shows when fog or low cloud is most likely at Sunol Regional Wilderness. Darker cells mark month-and-hour combinations with a stronger historical fog signal, which helps separate overnight or morning fog from cloud that tends to linger into the afternoon.

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 to read the wind heatmap for Sunol Regional Wilderness

This heatmap shows the typical hourly wind pattern at Sunol Regional Wilderness through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.

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 to read the cloud cover heatmap for Sunol Regional Wilderness

This heatmap shows average cloud cover at Sunol Regional Wilderness 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.

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 to read the solar radiation heatmap for Sunol Regional Wilderness

This heatmap shows the average solar radiation reaching Sunol Regional Wilderness 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.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
37.5186, -121.8297
⛰️
Elevation
1200 ft
🏷️
Type
Park
🏷️
Tags
#sunny#warm#hiking#creek
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Sunol Regional Wilderness

What is the weather at Sunol Regional Wilderness right now?

Current conditions at Sunol Regional Wilderness are 68°F, feeling like 68°F, with 57% humidity, winds near 6 mph, 100% cloud cover, and a 0% chance of precipitation. Mild and overcast

What temperatures are typical at Sunol Regional Wilderness?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 70°F and an average low of 49°F at Sunol Regional Wilderness. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Sunol Regional Wilderness get?

The location-specific climate baseline estimates about 18.1 inches of precipitation and 83 days with measurable rain in a typical year at Sunol Regional Wilderness. The monthly breakdown shows when that rain is most likely.

How often is Sunol Regional Wilderness foggy?

Sunol Regional Wilderness averages about 0.0 hours of morning fog per day across the location-specific climate baseline, with approximately 0 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Sunol Regional Wilderness for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are June 2025 (77°F/53°F average high/low and a 94 comfort score), August 2024 (81°F/59°F average high/low and a 93 comfort score), and July 2025 (77°F/55°F average high/low and a 93 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Sunol Regional Wilderness?

Sunol Regional Wilderness is a park at 1,200 feet. Alameda Creek canyon wilderness. Notable features include sunny, warm, hiking, and creek.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Sunol Regional Wilderness.
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