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

Hazardous Weather Conditions

Current conditions at

EW4858 El Cajon (E4858)

Lat: 32.8005°NLon: 116.92867°WElev: 507.28ft.

NA

76°F

24°C

Humidity 85%
Wind Speed NW 0 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 71°F (22°C)
Visibility NA
Heat Index77°F (25°C)
Last update 27 Aug 01:00 AM PDT
Extended Forecast for

El Cajon CA

Extreme Heat Warning August 27, 01:28am until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 27, 01:28am until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 75 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 100. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 100 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 102. Heat index values as high as 107. Light west wind increasing to 5 to 10 mph in the morning.

    High: 102 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 100.

    High: 100 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 75. Calm wind.
Thursday
Mostly sunny, with a high near 100. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 102. Heat index values as high as 107. Light west wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 100.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A slight chance of showers. Sunny, with a high near 89.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 67.
Wednesday
Partly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
El Cajon CA
 32.81°N 116.95°W (Elev. 436 ft)
Last Update:
12:59 am PDT Aug 27, 2026
Forecast Valid:
1am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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