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

Hazardous Weather Conditions

Current conditions at

Simi Valley - Cochran (SV)

Lat: 34.2764°NLon: 118.68375°WElev: 1037.0ft.

NA

89°F

32°C

Humidity 39%
Wind Speed W 6 MPH
Barometer NA
Dewpoint 61°F (16°C)
Visibility NA
Heat Index89°F (32°C)
Last update 27 Aug 01:00 PM PDT
Extended Forecast for

Simi Valley CA

Extreme Heat Warning August 27, 01:36pm until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 27, 01:36pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 70. North wind around 5 mph becoming calm after midnight.

    Low: 70 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 108. Heat index values as high as 115. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 108 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Southwest wind 5 to 10 mph becoming northeast in the evening.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 99. West wind 5 to 10 mph.
Tonight
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 70. North wind around 5 mph becoming calm after midnight.
Friday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 108. Heat index values as high as 115. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 67. Southwest wind 5 to 10 mph becoming northeast in the evening.
Saturday
Sunny and hot, with a high near 100. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 60.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A slight chance of showers. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simi Valley CA
 34.28°N 118.76°W (Elev. 965 ft)
Last Update:
1:22 pm PDT Aug 27, 2026
Forecast Valid:
1pm PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation