Las Trampas Regional Wilderness Weather

ParkSan Francisco Bay Area

Rocky ridge wilderness area

84°
😎
Comfort Score
98(A)
Perfect
Weather updated September 9, 2026 at 9:02 PM PDT

Las Trampas Regional Wilderness weather at a glance

Las Trampas Regional Wilderness is a park at 1,600 feet in San Francisco Bay Area. Rocky ridge wilderness area. Notable features include sunny, warm, hiking, and above-fog.

Current conditions are 84°F, feeling like 78°F, with 19% humidity, winds near 6 mph, 6% cloud cover, and a 0% chance of precipitation. Hot and dry with clear skies.

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 27.1 inches.

Plan your week

10-Day Forecast

  1. Today
    Sep 9
    96°70°
    Comfort
    63
    1%
    Precip 0 in
  2. Thu
    Sep 10
    89°62°
    Comfort
    74
    1%
    Precip 0 in
  3. Best day
    Fri
    Sep 11
    72°52°
    Comfort
    94
    4%
    Precip 0 in
  4. Sat
    Sep 12
    68°50°
    Comfort
    93
    0%
    Precip 0 in
  5. Sun
    Sep 13
    80°46°
    Comfort
    88
    0%
    Precip 0 in
  6. Mon
    Sep 14
    84°51°
    Comfort
    85
    0%
    Precip 0 in
  7. Tue
    Sep 15
    80°49°
    Comfort
    90
    1%
    Precip 0 in
  8. Wed
    Sep 16
    81°50°
    Comfort
    88
    0%
    Precip 0 in
  9. Thu
    Sep 17
    87°52°
    Comfort
    78
    1%
    Precip 0 in
  10. Fri
    Sep 18
    86°55°
    Comfort
    75
    2%
    Precip 0 in

Pick your time

Hourly Forecast

  1. Today
    Now
    84°
    Comfort
    98
    0%
    0 in
  2. Today
    10 PM
    82°
    Comfort
    99
    1%
    0 in
  3. Today
    11 PM
    81°
    Comfort
    99
    1%
    0 in
  4. Thu
    12 AM
    83°
    Comfort
    97
    1%
    0 in
  5. Thu
    1 AM
    83°
    Comfort
    92
    1%
    0 in
  6. Thu
    2 AM
    82°
    Comfort
    97
    1%
    0 in
  7. Thu
    3 AM
    80°
    Comfort
    99
    1%
    0 in
  8. Thu
    4 AM
    79°
    Comfort
    99
    1%
    0 in
  9. Thu
    5 AM
    80°
    Comfort
    99
    1%
    0 in
  10. Thu
    6 AM
    81°
    Comfort
    94
    1%
    0 in
  11. Sunrise6:45 AM
  12. Thu
    7 AM
    80°
    Comfort
    94
    1%
    0 in
  13. Thu
    8 AM
    81°
    Comfort
    94
    1%
    0 in
  14. Thu
    9 AM
    82°
    Comfort
    96
    1%
    0 in
  15. Thu
    10 AM
    83°
    Comfort
    96
    1%
    0 in
  16. Thu
    11 AM
    85°
    Comfort
    94
    1%
    0 in
  17. Thu
    12 PM
    87°
    Comfort
    89
    1%
    0 in
  18. Thu
    1 PM
    89°
    Comfort
    85
    1%
    0 in
  19. Thu
    2 PM
    86°
    Comfort
    91
    1%
    0 in
  20. Thu
    3 PM
    86°
    Comfort
    91
    1%
    0 in
  21. Thu
    4 PM
    84°
    Comfort
    94
    1%
    0 in
  22. Thu
    5 PM
    80°
    Comfort
    96
    1%
    0 in
  23. Thu
    6 PM
    75°
    Comfort
    94
    1%
    0 in
  24. Thu
    7 PM
    71°
    Comfort
    92
    1%
    0 in
  25. Sunset7:23 PM
  26. Thu
    8 PM
    68°
    Comfort
    89
    0%
    0 in
  27. Thu
    9 PM
    66°
    Comfort
    89
    0%
    0 in
  28. Thu
    10 PM
    64°
    Comfort
    89
    0%
    0 in
  29. Thu
    11 PM
    62°
    Comfort
    88
    0%
    0 in
  30. Fri
    12 AM
    60°
    Comfort
    85
    0%
    0 in
  31. Fri
    1 AM
    58°
    Comfort
    84
    0%
    0 in
  32. Fri
    2 AM
    56°
    Comfort
    82
    0%
    0 in
  33. Fri
    3 AM
    55°
    Comfort
    80
    0%
    0 in
  34. Fri
    4 AM
    54°
    Comfort
    79
    1%
    0 in
  35. Fri
    5 AM
    54°
    Comfort
    76
    1%
    0 in
  36. Fri
    6 AM
    53°
    Comfort
    76
    1%
    0 in
  37. Sunrise6:46 AM
  38. Fri
    7 AM
    52°
    Comfort
    76
    1%
    0 in
  39. Fri
    8 AM
    55°
    Comfort
    78
    0%
    0 in
  40. Fri
    9 AM
    57°
    Comfort
    80
    1%
    0 in
  41. Fri
    10 AM
    60°
    Comfort
    82
    1%
    0 in
  42. Fri
    11 AM
    63°
    Comfort
    88
    1%
    0 in
  43. Fri
    12 PM
    66°
    Comfort
    91
    0%
    0 in
  44. Fri
    1 PM
    68°
    Comfort
    94
    0%
    0 in
  45. Fri
    2 PM
    70°
    Comfort
    95
    0%
    0 in
  46. Fri
    3 PM
    72°
    Comfort
    97
    0%
    0 in
  47. Fri
    4 PM
    72°
    Comfort
    97
    0%
    0 in
  48. Fri
    5 PM
    71°
    Comfort
    98
    0%
    0 in
  49. Fri
    6 PM
    68°
    Comfort
    96
    4%
    0 in
  50. Fri
    7 PM
    63°
    Comfort
    91
    4%
    0 in
  51. Sunset7:21 PM
  52. Fri
    8 PM
    58°
    Comfort
    86
    4%
    0 in

Current Conditions

Temperature
84°F
Feels like 78°F
Humidity
19%
Dew point 37°F
Wind
6 mph
NW • Gusts 6 mph
Cloud Cover
6%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal96
Wind100
Stars Visible99
Moisture96
Precipitation100

Weather Maps

About the weather maps for Las Trampas Regional Wilderness

Each preview is centered on Las Trampas 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 Las Trampas Regional Wilderness. 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
96°Fforecast
14° above normal
Normal: 82°F
Rainfall Year-to-Date
16.0"
1% above average
30-yr avg: 15.9"
Sunny Days
24last 28 days
1 fewer than baseline
Recent baseline: 25
Foggy Days
11last 28 days
vs 10 recent baseline
Foggier than usual
Avg Wind Speed
7.4 mphlast 28 days
Typical conditions
Recent baseline: 7.8 mph
Comfort Score
8028-day avg
6 pts below typical
Recent baseline: 86
What the Las Trampas Regional Wilderness climate comparisons mean

These cards compare recent conditions at Las Trampas 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 Las Trampas 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

83
Avg Comfort
69.8°
Avg High
49.2°
Avg Low
72%
Perfect Days
☀️ Avg Sunshine (recent)9.3h/day
🌫️ Avg Fog (recent)1.9h/day
💧 Avg Annual Rain27.1"
🌧️ Rainy Days/yr84 (23%)
🌫️ Foggy Days/yr (recent)80
✨ Perfect Days (80+)461

🌟 Best Months to Visit

1. June75
79.1° / 54.3° · ☀️ 12.7h
6 foggy days · 5 rainy days
2. August71
83.9° / 58.7° · ☀️ 11.5h
4 foggy days · 5 rainy days
3. May68
72.2° / 49.6° · ☀️ 12h
8 foggy days · 6 rainy days

⚠️ Challenging Months

1. December29
55.2° / 40.6° · ☀️ 6.4h
💧 6.2" · 11 rainy days · 10 foggy days
2. January38
55.3° / 40.9° · ☀️ 7.6h
💧 6.2" · 11 rainy days · 7 foggy days
3. February45
58.6° / 42.3° · ☀️ 7h
💧 5.6" · 10 rainy days · 5 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20249074.7° / 51.7°11.5h4d0.08"25
September 20249077.1° / 52.1°10.6h5d0.27"28
October 20248675.5° / 52.1°9.7h2d0.66"26
November 20247858° / 39.9°7h6d3.6"21
December 20247256.6° / 39.8°6.3h11d5.38"16
January 20258054.9° / 35.2°7.8h7d1.11"21
February 20257255.5° / 38.4°6.6h6d6.81"13
March 20257556.3° / 39.3°9.1h6d4.85"15
April 20258562° / 41.6°10.4h11d1.03"21
May 20259068.3° / 45.4°12.5h3d0.32"28
June 20259169.9° / 46.9°12.7h6d0"28
July 20258869.4° / 50.2°11.4h9d0.03"26
August 20259175.9° / 51.9°11.4h4d0.03"29
September 20258875.1° / 54.5°9.9h6d0.6"25
October 20258667.3° / 47.9°8.5h10d2.39"20
November 20257860.6° / 43.6°7.5h10d3.82"15
December 20257255° / 39°6.5h9d4.92"13
January 20267856.3° / 38.3°7.5h6d3.46"20
February 20267658.2° / 40.6°7.5h4d5.07"17
March 20269271.7° / 46.7°10.9h3d0.52"28
April 20267961.4° / 43.8°10.4h7d6.59"19
May 20268161.7° / 46.8°10.6h7d0.35"7
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

86°F73°F61°F48°F36°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 Las Trampas Regional Wilderness climate charts

The temperature chart compares average monthly highs and lows at Las Trampas 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 Las Trampas 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 Las Trampas Regional Wilderness

This heatmap shows how average temperature at Las Trampas 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 Las Trampas Regional Wilderness

This heatmap shows when fog or low cloud is most likely at Las Trampas 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 Las Trampas Regional Wilderness

This heatmap shows the typical hourly wind pattern at Las Trampas 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 Las Trampas Regional Wilderness

This heatmap shows average cloud cover at Las Trampas 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 Las Trampas Regional Wilderness

This heatmap shows the average solar radiation reaching Las Trampas 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
37.8186, -122.0308
⛰️
Elevation
1600 ft
🏷️
Type
Park
🏷️
Tags
#sunny#warm#hiking#above-fog
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Las Trampas Regional Wilderness

What is the weather at Las Trampas Regional Wilderness right now?

Current conditions at Las Trampas Regional Wilderness are 84°F, feeling like 78°F, with 19% humidity, winds near 6 mph, 6% cloud cover, and a 0% chance of precipitation. Hot and dry with clear skies

What temperatures are typical at Las Trampas 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 Las Trampas 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 Las Trampas Regional Wilderness get?

The location-specific climate baseline estimates about 27.1 inches of precipitation and 84 days with measurable rain in a typical year at Las Trampas Regional Wilderness. The monthly breakdown shows when that rain is most likely.

How often is Las Trampas Regional Wilderness foggy?

Las Trampas 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 Las Trampas Regional Wilderness for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (72°F/47°F average high/low and a 92 comfort score), June 2025 (70°F/47°F average high/low and a 91 comfort score), and August 2025 (76°F/52°F average high/low and a 91 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Las Trampas Regional Wilderness?

Las Trampas Regional Wilderness is a park at 1,600 feet. Rocky ridge wilderness area. Notable features include sunny, warm, hiking, and above-fog.

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