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

Hazardous Weather Conditions

Current conditions at

FW0019 Lake Cuyamaca (F0019)

Lat: 32.9895°NLon: 116.5875°WElev: 2594.16ft.

NA

65°F

18°C

Humidity 69%
Wind Speed WNW 1 MPH
Barometer 25.97 in (879.45 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 09 Aug 04:00 AM PDT
Extended Forecast for

5 Miles S Julian CA

Heat Advisory August 9, 04:23am until August 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 9, 04:23am until August 9, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Today

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 74. West wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 83. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. South wind 5 to 10 mph becoming east 10 to 15 mph. Winds could gust as high as 25 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Tuesday Night

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

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 74. West wind 5 to 10 mph.
Monday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 83. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 69. South wind 5 to 10 mph becoming east 10 to 15 mph. Winds could gust as high as 25 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Julian CA
 33°N 116.58°W (Elev. 5640 ft)
Last Update:
12:31 am PDT Aug 9, 2026
Forecast Valid:
4am PDT Aug 9, 2026-6pm PDT Aug 15, 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