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

70°F

21°C

Humidity 73%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 61°F (16°C)
Visibility NA
Last update 09 Sep 01:00 AM PDT
Extended Forecast for

Simi Valley CA

Extreme Heat Warning September 9, 08:00am until September 10, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: A 20 percent chance of showers. Partly cloudy, with a low around 74. North northeast wind around 10 mph.

    Low: 74 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny and hot, with a high near 105. Heat index values as high as 114. Northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 105 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 112. Northeast wind around 5 mph becoming southwest in the morning.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. West southwest wind around 5 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Partly cloudy, with a low around 74. North northeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 105. Heat index values as high as 114. Northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 75. West wind 5 to 10 mph becoming northeast after midnight.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 112. Northeast wind around 5 mph becoming southwest in the morning.
Thursday Night
Mostly clear, with a low around 71. West southwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 84.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 84.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simi Valley CA
 34.25°N 118.76°W (Elev. 984 ft)
Last Update:
1:31 am PDT Sep 9, 2026
Forecast Valid:
1am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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