Henry W. Coe State Park Weather

Park • San Francisco Bay Area

Largest state park in Northern California

71°
😎
Comfort Score
98(A)
Perfect
Weather updated October 1, 2026 at 12:02 AM PDT

Henry W. Coe State Park weather at a glance

Henry W. Coe State Park is a park at 2,600 feet in San Francisco Bay Area. Largest state park in Northern California. Notable features include sunny, hot, remote, and backcountry.

Current conditions are 71°F, feeling like 67°F, with 28% humidity, winds near 2 mph, 0% cloud cover, and a 0% chance of precipitation. Warm with clear skies.

The location-specific climate baseline shows an average daily high of 68°F and an average low of 47°F, with about 0.0 hours of sunshine per day and 0.0 hours of morning fog per day. Expected annual precipitation is approximately 30.2 inches.

Plan your week

10-Day Forecast

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  1. Best day
    Today
    Oct 1
    86°68°
    Comfort
    85
    0%
    Precip 0 in
  2. Fri
    Oct 2
    88°66°
    Comfort
    76
    0%
    Precip 0 in
  3. Sat
    Oct 3
    95°65°
    Comfort
    61
    0%
    Precip 0 in
  4. Sun
    Oct 4
    96°69°
    Comfort
    62
    1%
    Precip 0 in
  5. Mon
    Oct 5
    97°69°
    Comfort
    61
    0%
    Precip 0 in
  6. Tue
    Oct 6
    96°69°
    Comfort
    62
    1%
    Precip 0 in
  7. Wed
    Oct 7
    97°71°
    Comfort
    61
    1%
    Precip 0 in
  8. Thu
    Oct 8
    92°65°
    Comfort
    67
    2%
    Precip 0 in
  9. Fri
    Oct 9
    88°61°
    Comfort
    71
    0%
    Precip 0 in
  10. Sat
    Oct 10
    90°57°
    Comfort
    69
    1%
    Precip 0 in

Hour by hour

Hourly Forecast

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  1. Today
    Now
    71°
    Comfort
    98
    0%
    0 in
  2. Today
    1 AM
    71°
    Comfort
    98
    0%
    0 in
  3. Today
    2 AM
    70°
    Comfort
    97
    0%
    0 in
  4. Today
    3 AM
    69°
    Comfort
    96
    0%
    0 in
  5. Today
    4 AM
    69°
    Comfort
    95
    0%
    0 in
  6. Today
    5 AM
    69°
    Comfort
    94
    0%
    0 in
  7. Today
    6 AM
    69°
    Comfort
    94
    0%
    0 in
  8. Today
    7 AM
    68°
    Comfort
    91
    0%
    0 in
  9. Sunrise7:01 AM
  10. Today
    8 AM
    69°
    Comfort
    92
    0%
    0 in
  11. Today
    9 AM
    77°
    Comfort
    99
    0%
    0 in
  12. Today
    10 AM
    81°
    Comfort
    99
    0%
    0 in
  13. Today
    11 AM
    84°
    Comfort
    96
    0%
    0 in
  14. Today
    12 PM
    84°
    Comfort
    91
    0%
    0 in
  15. Today
    1 PM
    84°
    Comfort
    91
    0%
    0 in
  16. Today
    2 PM
    85°
    Comfort
    91
    0%
    0 in
  17. Today
    3 PM
    86°
    Comfort
    92
    0%
    0 in
  18. Today
    4 PM
    85°
    Comfort
    96
    0%
    0 in
  19. Today
    5 PM
    82°
    Comfort
    98
    0%
    0 in
  20. Today
    6 PM
    78°
    Comfort
    97
    0%
    0 in
  21. Sunset6:49 PM
  22. Today
    7 PM
    72°
    Comfort
    97
    0%
    0 in
  23. Today
    8 PM
    70°
    Comfort
    96
    0%
    0 in
  24. Today
    9 PM
    72°
    Comfort
    96
    0%
    0 in
  25. Today
    10 PM
    71°
    Comfort
    95
    0%
    0 in
  26. Today
    11 PM
    71°
    Comfort
    93
    0%
    0 in
  27. Fri
    12 AM
    70°
    Comfort
    94
    0%
    0 in
  28. Fri
    1 AM
    71°
    Comfort
    94
    0%
    0 in
  29. Fri
    2 AM
    72°
    Comfort
    94
    0%
    0 in
  30. Fri
    3 AM
    72°
    Comfort
    95
    0%
    0 in
  31. Fri
    4 AM
    71°
    Comfort
    89
    0%
    0 in
  32. Fri
    5 AM
    71°
    Comfort
    92
    0%
    0 in
  33. Fri
    6 AM
    71°
    Comfort
    94
    0%
    0 in
  34. Fri
    7 AM
    70°
    Comfort
    92
    0%
    0 in
  35. Sunrise7:02 AM
  36. Fri
    8 AM
    72°
    Comfort
    94
    0%
    0 in
  37. Fri
    9 AM
    79°
    Comfort
    98
    0%
    0 in
  38. Fri
    10 AM
    82°
    Comfort
    98
    0%
    0 in
  39. Fri
    11 AM
    86°
    Comfort
    95
    0%
    0 in
  40. Fri
    12 PM
    87°
    Comfort
    89
    0%
    0 in
  41. Fri
    1 PM
    86°
    Comfort
    91
    0%
    0 in
  42. Fri
    2 PM
    87°
    Comfort
    88
    0%
    0 in
  43. Fri
    3 PM
    87°
    Comfort
    89
    0%
    0 in
  44. Fri
    4 PM
    88°
    Comfort
    89
    0%
    0 in
  45. Fri
    5 PM
    88°
    Comfort
    93
    0%
    0 in
  46. Fri
    6 PM
    84°
    Comfort
    97
    0%
    0 in
  47. Sunset6:47 PM
  48. Fri
    7 PM
    71°
    Comfort
    98
    0%
    0 in
  49. Fri
    8 PM
    67°
    Comfort
    96
    0%
    0 in
  50. Fri
    9 PM
    67°
    Comfort
    93
    0%
    0 in
  51. Fri
    10 PM
    66°
    Comfort
    94
    0%
    0 in
  52. Fri
    11 PM
    66°
    Comfort
    93
    0%
    0 in

Current Conditions

Temperature
71°F
Feels like 67°F
Humidity
28%
Dew point 36°F
Wind
2 mph
NW • Gusts 2 mph
Cloud Cover
0%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal97
Wind98
Stars Visible100
Moisture95
Precipitation100

Weather Maps

About the weather maps for Henry W. Coe State Park

Each preview is centered on Henry W. Coe State Park, 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 Henry W. Coe State Park. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

Nearby Temperature Comparison

Conditions at nearby San Francisco Bay Area destinations

Tip: Bay Area temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
86°Fforecast
14° above normal
Normal: 73°F
Rainfall Year-to-Date
12.8"
37% below average
30-yr avg: 20.4"
Sunny Days
27last 28 days
1 fewer than baseline
Recent baseline: 28
Foggy Days
2last 28 days
vs 0 recent baseline
Foggier than usual
Avg Wind Speed
10.0 mphlast 28 days
Typical conditions
Recent baseline: 10.7 mph
Comfort Score
8928-day avg
On par with typical
Recent baseline: 90
What the Henry W. Coe State Park climate comparisons mean

These cards compare recent conditions at Henry W. Coe State 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 Henry W. Coe State 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.

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

87
Avg Comfort
67.9°
Avg High
47.2°
Avg Low
82%
Perfect Days
☀️ Avg Sunshine (recent)9.5h/day
🌫️ Avg Fog (recent)0.9h/day
💧 Avg Annual Rain30.2"
🌧️ Rainy Days/yr92 (25%)
🌫️ Foggy Days/yr (recent)38
✨ Perfect Days (80+)552

🌟 Best Months to Visit

1. June86
78.1° / 53.4° · ☀️ 12.9h
1 foggy days · 5 rainy days
2. May80
69.5° / 47.3° · ☀️ 12.1h
2 foggy days · 6 rainy days
3. July78
84.6° / 59.7° · ☀️ 12.6h
1 foggy days · 5 rainy days

⚠️ Challenging Months

1. December27
53.5° / 37.6° · ☀️ 5.6h
💧 6.2" · 12 rainy days · 9 foggy days
2. February39
54.7° / 38.7° · ☀️ 6.9h
💧 5.6" · 11 rainy days · 5 foggy days
3. January41
54.1° / 38.5° · ☀️ 7.2h
💧 6.2" · 12 rainy days · 4 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
October 20249463.8° / 39.1°9h0d0.04"2
November 20248361.6° / 39.7°7.1h2d2.49"23
December 20247562.3° / 40.1°5.3h9d4.3"16
January 20258561.1° / 35.7°7.3h4d0.28"25
February 20257859.7° / 37.6°6.6h4d8.84"16
March 20257960.1° / 38°8.5h5d4.61"17
April 20259167.3° / 40.8°10.2h6d1.16"25
May 20259376.5° / 47°12.1h1d0.1"30
June 20259184° / 50.9°13h0d0"30
July 20259383.4° / 54°12.7h1d0"31
August 20259088.2° / 59.5°11.5h0d0"31
September 20259280.8° / 56.7°10.1h2d0.08"29
October 20258970.6° / 48.6°8.2h4d2.08"28
November 20258064.5° / 45.1°6.8h6d4.9"18
December 20257861.6° / 42.3°5.8h9d2.42"18
January 20268462.5° / 40°7.1h3d3.13"23
February 20267861.9° / 41.2°7.3h5d5.97"18
March 20269474° / 48.5°9.9h1d0"30
April 20268864.1° / 43.5°10h2d3.23"22
May 20269372.5° / 47.4°12h2d0.35"29
June 20269480.4° / 53.1°12.8h1d0"30
July 20269186.3° / 57.4°12.5h1d0"31
August 20268988.4° / 59.2°11.2h2d0.09"30
Last updated: 9/2/2026

Climate Trends

Average Temperature by Month

94°F78°F62°F46°F30°FOct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26
Average High
Average Low
About the Henry W. Coe State Park climate charts

The temperature chart compares average monthly highs and lows at Henry W. Coe State 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 Henry W. Coe State 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

How to read the temperature heatmap for Henry W. Coe State Park

This heatmap shows how average temperature at Henry W. Coe State Park 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 Henry W. Coe State Park

This heatmap shows when fog or low cloud is most likely at Henry W. Coe State Park. 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 Henry W. Coe State Park

This heatmap shows the typical hourly wind pattern at Henry W. Coe State Park 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 Henry W. Coe State Park

This heatmap shows average cloud cover at Henry W. Coe State 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.

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 Henry W. Coe State Park

This heatmap shows the average solar radiation reaching Henry W. Coe State 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.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
37.1847, -121.5225
⛰️
Elevation
2600 ft
🏷️
Type
Park
🏷️
Tags
#sunny#hot#remote#backcountry
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Henry W. Coe State Park

What is the weather at Henry W. Coe State Park right now?

Current conditions at Henry W. Coe State Park are 71°F, feeling like 67°F, with 28% humidity, winds near 2 mph, 0% cloud cover, and a 0% chance of precipitation. Warm with clear skies

What temperatures are typical at Henry W. Coe State Park?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 68°F and an average low of 47°F at Henry W. Coe State Park. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Henry W. Coe State Park get?

The location-specific climate baseline estimates about 30.2 inches of precipitation and 92 days with measurable rain in a typical year at Henry W. Coe State Park. The monthly breakdown shows when that rain is most likely.

How often is Henry W. Coe State Park foggy?

Henry W. Coe State Park 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 Henry W. Coe State Park for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are October 2024 (64°F/39°F average high/low and a 94 comfort score), March 2026 (74°F/49°F average high/low and a 94 comfort score), and June 2026 (80°F/53°F average high/low and a 94 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Henry W. Coe State Park?

Henry W. Coe State Park is a park at 2,600 feet. Largest state park in Northern California. Notable features include sunny, hot, remote, and backcountry.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Henry W. Coe State Park.