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

Hazardous Weather Conditions

Current conditions at

EW7004 San Jacinto (E7004)

Lat: 33.79617°NLon: 116.97617°WElev: 1522.0ft.

NA

77°F

25°C

Humidity 46%
Wind Speed WSW 0 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 55°F (13°C)
Visibility NA
Heat Index78°F (26°C)
Last update 19 Aug 01:39 AM PDT
Extended Forecast for

San Jacinto CA

Heat Advisory August 19, 10:00am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 105. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 105 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 102 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 102. Chance of precipitation is 20%.

    High: 102 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 102.

    High: 102 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. Calm wind.
Wednesday
Sunny, with a high near 105. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 102. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 102.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 101.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 101.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Sunny, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Jacinto CA
 33.78°N 116.95°W (Elev. 1585 ft)
Last Update:
12:56 am PDT Aug 19, 2026
Forecast Valid:
1am PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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