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

Hazardous Weather Conditions

Current conditions at

MT. SAN JACINTO (MSJC1)

Lat: 33.81528°NLon: 116.64194°WElev: 8616.0ft.

NA

54°F

12°C

Humidity 29%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 18 Mar 10:53 PM PDT
Extended Forecast for

5 Miles NE Idyllwild CA

Heat Advisory March 18, 11:54pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 11:54pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Southeast wind around 5 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. East wind around 5 mph becoming south after midnight.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. South wind around 5 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55. South wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 67. Breezy.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Breezy.

    Low: 51 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 54. North wind around 5 mph.
Thursday
Sunny, with a high near 69. Southeast wind around 5 mph.
Thursday Night
Clear, with a low around 56. East wind around 5 mph becoming south after midnight.
Friday
Sunny, with a high near 71. South wind around 5 mph.
Friday Night
Clear, with a low around 55. South wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 67. Breezy.
Saturday Night
Partly cloudy, with a low around 51. Breezy.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 67.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Idyllwild CA
 33.79°N 116.65°W (Elev. 8717 ft)
Last Update:
10:02 pm PDT Mar 18, 2026
Forecast Valid:
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation