Mount Tamalpais State Park Weather

Park • San Francisco Bay Area

Marin's iconic peak with panoramic views

69°
😊
Comfort Score
91(A-)
Excellent
Weather updated October 1, 2026 at 8:01 AM PDT

Mount Tamalpais State Park weather at a glance

Mount Tamalpais State Park is a park at 2,571 feet in San Francisco Bay Area. Marin's iconic peak with panoramic views. Notable features include above-fog, views, hiking, and mountain-biking.

Current conditions are 69°F, feeling like 60°F, with 21% humidity, winds near 9 mph, 0% cloud cover, and a 0% chance of precipitation. Mild with clear skies.

The location-specific climate baseline shows an average daily high of 64°F and an average low of 48°F, with about 10.3 hours of sunshine per day and 1.8 hours of morning fog per day. Expected annual precipitation is approximately 42.3 inches.

Plan your week

10-Day Forecast

Drag or swipe to browse
  1. Best day
    Today
    Oct 1
    80°65°
    Comfort
    94
    0%
    Precip 0 in
  2. Fri
    Oct 2
    82°66°
    Comfort
    84
    0%
    Precip 0 in
  3. Sat
    Oct 3
    84°56°
    Comfort
    87
    0%
    Precip 0 in
  4. Sun
    Oct 4
    80°59°
    Comfort
    89
    1%
    Precip 0 in
  5. Mon
    Oct 5
    79°56°
    Comfort
    94
    0%
    Precip 0 in
  6. Tue
    Oct 6
    79°53°
    Comfort
    93
    0%
    Precip 0 in
  7. Wed
    Oct 7
    85°57°
    Comfort
    85
    1%
    Precip 0 in
  8. Thu
    Oct 8
    81°61°
    Comfort
    92
    2%
    Precip 0 in
  9. Fri
    Oct 9
    75°53°
    Comfort
    87
    1%
    Precip 0 in
  10. Sat
    Oct 10
    70°49°
    Comfort
    94
    1%
    Precip 0 in

Hour by hour

Hourly Forecast

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  1. Today
    Now
    69°
    Comfort
    91
    0%
    0 in
  2. Today
    9 AM
    73°
    Comfort
    98
    0%
    0 in
  3. Today
    10 AM
    75°
    Comfort
    100
    0%
    0 in
  4. Today
    11 AM
    76°
    Comfort
    100
    0%
    0 in
  5. Today
    12 PM
    78°
    Comfort
    99
    0%
    0 in
  6. Today
    1 PM
    78°
    Comfort
    99
    0%
    0 in
  7. Today
    2 PM
    77°
    Comfort
    99
    0%
    0 in
  8. Today
    3 PM
    79°
    Comfort
    99
    0%
    0 in
  9. Today
    4 PM
    80°
    Comfort
    98
    0%
    0 in
  10. Today
    5 PM
    80°
    Comfort
    98
    0%
    0 in
  11. Today
    6 PM
    78°
    Comfort
    98
    0%
    0 in
  12. Sunset6:53 PM
  13. Today
    7 PM
    74°
    Comfort
    97
    0%
    0 in
  14. Today
    8 PM
    72°
    Comfort
    96
    0%
    0 in
  15. Today
    9 PM
    70°
    Comfort
    93
    0%
    0 in
  16. Today
    10 PM
    68°
    Comfort
    87
    0%
    0 in
  17. Today
    11 PM
    68°
    Comfort
    84
    0%
    0 in
  18. Fri
    12 AM
    66°
    Comfort
    86
    0%
    0 in
  19. Fri
    1 AM
    70°
    Comfort
    92
    0%
    0 in
  20. Fri
    2 AM
    67°
    Comfort
    86
    0%
    0 in
  21. Fri
    3 AM
    67°
    Comfort
    85
    0%
    0 in
  22. Fri
    4 AM
    67°
    Comfort
    87
    0%
    0 in
  23. Fri
    5 AM
    69°
    Comfort
    89
    0%
    0 in
  24. Fri
    6 AM
    69°
    Comfort
    86
    0%
    0 in
  25. Fri
    7 AM
    71°
    Comfort
    86
    0%
    0 in
  26. Sunrise7:07 AM
  27. Fri
    8 AM
    66°
    Comfort
    83
    0%
    0 in
  28. Fri
    9 AM
    74°
    Comfort
    95
    0%
    0 in
  29. Fri
    10 AM
    73°
    Comfort
    95
    0%
    0 in
  30. Fri
    11 AM
    75°
    Comfort
    95
    0%
    0 in
  31. Fri
    12 PM
    79°
    Comfort
    96
    0%
    0 in
  32. Fri
    1 PM
    79°
    Comfort
    95
    0%
    0 in
  33. Fri
    2 PM
    81°
    Comfort
    92
    0%
    0 in
  34. Fri
    3 PM
    82°
    Comfort
    93
    0%
    0 in
  35. Fri
    4 PM
    82°
    Comfort
    93
    0%
    0 in
  36. Fri
    5 PM
    82°
    Comfort
    93
    0%
    0 in
  37. Fri
    6 PM
    82°
    Comfort
    96
    0%
    0 in
  38. Sunset6:51 PM
  39. Fri
    7 PM
    77°
    Comfort
    99
    0%
    0 in
  40. Fri
    8 PM
    75°
    Comfort
    94
    0%
    0 in
  41. Fri
    9 PM
    74°
    Comfort
    94
    0%
    0 in
  42. Fri
    10 PM
    73°
    Comfort
    89
    0%
    0 in
  43. Fri
    11 PM
    74°
    Comfort
    96
    0%
    0 in
  44. Sat
    12 AM
    73°
    Comfort
    93
    0%
    0 in
  45. Sat
    1 AM
    74°
    Comfort
    93
    0%
    0 in
  46. Sat
    2 AM
    73°
    Comfort
    88
    0%
    0 in
  47. Sat
    3 AM
    69°
    Comfort
    88
    0%
    0 in
  48. Sat
    4 AM
    65°
    Comfort
    89
    0%
    0 in
  49. Sat
    5 AM
    61°
    Comfort
    86
    0%
    0 in
  50. Sat
    6 AM
    57°
    Comfort
    81
    0%
    0 in
  51. Sat
    7 AM
    56°
    Comfort
    82
    0%
    0 in

Current Conditions

Temperature
69°F
Feels like 60°F
Humidity
21%
Dew point 27°F
Wind
9 mph
NW • Gusts 11 mph
Cloud Cover
0%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal84
Wind100
Sky Comfort100
Moisture85
Precipitation100

Weather Maps

About the weather maps for Mount Tamalpais State Park

Each preview is centered on Mount Tamalpais 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 Mount Tamalpais 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
80°Fforecast
10° above normal
Normal: 70°F
Rainfall Year-to-Date
28.6"
10% above average
30-yr avg: 26.1"
Sunny Days
27last 28 days
Right on track
Typical: 27
Foggy Days
5last 28 days
vs 7 typical
Clearer than usual
Avg Wind Speed
6.5 mphlast 28 days
1.5 mph calmer than baseline
Typical: 8.0 mph
Comfort Score
9328-day avg
On par with typical
Recent baseline: 95
What the Mount Tamalpais State Park climate comparisons mean

These cards compare recent conditions at Mount Tamalpais 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 Mount Tamalpais 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

79
Avg Comfort
64.4°
Avg High
47.8°
Avg Low
62%
Perfect Days
☀️ Avg Sunshine10.3h/day
🌫️ Avg Fog1.8h/day
💧 Avg Annual Rain42.3"
🌧️ Rainy Days/yr72 (20%)
🌫️ Foggy Days/yr102
✨ Perfect Days (80+)413

🌟 Best Months to Visit

1. June85
69.4° / 49.5° · ☀️ 13.3h
6 foggy days · 1 rainy days
2. July78
73° / 52.6° · ☀️ 13.2h
10 foggy days · 0 rainy days
3. May77
64.6° / 46.7° · ☀️ 12.7h
6 foggy days · 4 rainy days

⚠️ Challenging Months

1. December29
54.5° / 43.2° · ☀️ 6.7h
💧 9.3" · 12 rainy days · 10 foggy days
2. January29
54.6° / 43.3° · ☀️ 7h
💧 9.3" · 11 rainy days · 11 foggy days
3. February36
56.2° / 43.1° · ☀️ 8.2h
💧 8.4" · 11 rainy days · 9 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
October 20247351.2° / 43.9°9h0d0.4"1
November 20246450.1° / 43.8°6.3h10d10.98"9
December 20246152.9° / 46.4°4.5h14d15.21"11
January 20257452° / 44.4°6.9h10d0.46"16
February 20256050.1° / 42.7°6.1h9d15.89"8
March 20255948.7° / 40.6°7.2h13d4.65"7
April 20257856.1° / 46.5°9.6h11d0.57"14
May 20259064° / 52.7°12.4h3d0.23"27
June 20259469.8° / 59.4°12.9h4d0"29
July 20258970.9° / 59.4°12.5h12d0"25
August 20259575.9° / 64.8°11.6h1d0"31
September 20258770.2° / 61.2°9.2h7d0.12"24
October 20258060.8° / 52.5°7.5h10d1.54"18
November 20257256.4° / 48.8°6.3h9d6.6"11
December 20256553.5° / 46.3°5h9d9.83"9
January 20267154.4° / 47.1°6.5h8d9.72"16
February 20266552.7° / 46.1°6.1h8d11.42"12
March 20269265.1° / 56.3°9.6h4d0.08"26
April 20267254.3° / 46.5°8.9h11d6.32"15
May 20268462.3° / 51.9°11.4h11d1.02"20
June 20269268.7° / 57.7°12.6h7d0.01"26
July 20269574.9° / 63.9°12.2h5d0"30
August 20269376° / 64.4°11.2h5d0.06"28
Last updated: 9/2/2026

Climate Trends

Average Temperature by Month

80°F69°F58°F48°F37°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 Mount Tamalpais State Park climate charts

The temperature chart compares average monthly highs and lows at Mount Tamalpais 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 Mount Tamalpais 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 Mount Tamalpais State Park

This heatmap shows how average temperature at Mount Tamalpais 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 Mount Tamalpais State Park

This heatmap shows when fog or low cloud is most likely at Mount Tamalpais 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 Mount Tamalpais State Park

This heatmap shows the typical hourly wind pattern at Mount Tamalpais 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 Mount Tamalpais State Park

This heatmap shows average cloud cover at Mount Tamalpais 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 Mount Tamalpais State Park

This heatmap shows the average solar radiation reaching Mount Tamalpais 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
37.9236, -122.5969
⛰️
Elevation
2571 ft
🏷️
Type
Park
🏷️
Tags
#above-fog#views#hiking#mountain-biking
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Mount Tamalpais State Park

What is the weather at Mount Tamalpais State Park right now?

Current conditions at Mount Tamalpais State Park are 69°F, feeling like 60°F, with 21% humidity, winds near 9 mph, 0% cloud cover, and a 0% chance of precipitation. Mild with clear skies

What temperatures are typical at Mount Tamalpais State Park?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 64°F and an average low of 48°F at Mount Tamalpais 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 Mount Tamalpais State Park get?

The location-specific climate baseline estimates about 42.3 inches of precipitation and 72 days with measurable rain in a typical year at Mount Tamalpais State Park. The monthly breakdown shows when that rain is most likely.

How often is Mount Tamalpais State Park foggy?

Mount Tamalpais State Park averages about 1.8 hours of morning fog per day across the location-specific climate baseline, with approximately 102 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 Mount Tamalpais State Park for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are August 2025 (76°F/65°F average high/low and a 95 comfort score), July 2026 (75°F/64°F average high/low and a 95 comfort score), and June 2025 (70°F/59°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 Mount Tamalpais State Park?

Mount Tamalpais State Park is a park at 2,571 feet. Marin's iconic peak with panoramic views. Notable features include above-fog, views, hiking, and mountain-biking.

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