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

EW9979 Mason Valley (E9979)

Lat: 32.99317°NLon: 116.44467°WElev: 2011.0ft.

NA

47°F

8°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 31 Dec 09:16 PM PST
Extended Forecast for

11 Miles NNE Mount Laguna CA

  • Tonight

    Tonight: Showers. Low around 48. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers

  • New Year's Day

    New Year's Day: Showers. High near 59. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 49. West wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63. West wind around 5 mph becoming calm.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers. Low around 48. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
New Year's Day
Showers. High near 59. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49. West wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 63. West wind around 5 mph becoming calm.
Friday Night
Mostly cloudy, with a low around 50. Calm wind.
Saturday
A slight chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 20%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 61.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50.
Monday
A chance of showers. Partly sunny, with a high near 60.
Monday Night
A chance of showers. Mostly cloudy, with a low around 47.
Tuesday
A chance of showers. Partly sunny, with a high near 60.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Mount Laguna CA
 33.03°N 116.39°W (Elev. 2598 ft)
Last Update:
7:13 pm PST Dec 31, 2025
Forecast Valid:
9pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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