National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

MIDDLE PEAK (MDEC1)

Lat: 37.92778°NLon: 122.58722°WElev: 2339.0ft.

NA

48°F

9°C

Humidity 84%
Wind Speed ENE 8 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 25 Nov 04:36 AM PST
Extended Forecast for

San Anselmo CA

Dense Fog Advisory November 25, 05:37am until November 25, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 25, 05:37am until November 25, 11:00am

    NOW until 11:00am Tue

    Dense Fog Advisory

  • Today

    High: 60 °F

    Areas Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy dense fog before 7am. Otherwise, sunny, with a high near 62. East northeast wind around 6 mph.

    High: 62 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Increasing
    Clouds

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 66. Light northwest wind.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 60. Light east northeast wind.
Tonight
Partly cloudy, with a low around 44. Calm wind.
Wednesday
Patchy dense fog before 7am. Otherwise, sunny, with a high near 62. East northeast wind around 6 mph.
Wednesday Night
Increasing clouds, with a low around 46. Calm wind.
Thanksgiving Day
Mostly sunny, with a high near 66. Light northwest wind.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Anselmo CA
 38°N 122.56°W (Elev. 236 ft)
Last Update:
1:17 am PST Nov 25, 2025
Forecast Valid:
5am PST Nov 25, 2025-6pm PST Dec 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation