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

Hazardous Weather Conditions

Current conditions at

EW9979 MasonValley (E9979)

Lat: 32.99317°NLon: 116.44467°WElev: 2115.91ft.

NA

103°F

39°C

Humidity 18%
Wind Speed ESE 14 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 52°F (11°C)
Visibility NA
Heat Index101°F (38°C)
Last update 27 Aug 11:30 AM PDT
Extended Forecast for

7 Miles ESE Julian CA

Extreme Heat Warning August 27, 11:52am until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 27, 11:52am until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 78. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 98. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 98 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 72.

    Low: 72 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99. Northeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 78. West wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 98. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 75. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 95. West wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 72.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Julian CA
 33.06°N 116.48°W (Elev. 3612 ft)
Last Update:
12:59 am PDT Aug 27, 2026
Forecast Valid:
11am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation