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City of Simi Valley, CASimi Valley, CA 7-Day Night Weather Forecast
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Simi Valley, CA Weather Forecast
Simi Valley, CA Weather Forecast Date: 1129 AM PDT Fri Oct 23 2026
The area/counties/county of: Southeastern Ventura County Valleys, including: Moorpark, Newbury Park, Simi Valley, and Thousand Oaks.or toggle through each period.
Today... Partly cloudy. Highs in the upper 60s to mid 70s.
Tonight... Mostly clear. Lows in the lower to mid 50s. Northeast winds around 15 mph after midnight.
Saturday... Sunny. Highs in the mid 70s. Northeast winds 15 to 25 mph.
Saturday Night... Clear. Lows in the lower to mid 50s.
Sunday... Sunny. Highs in the mid 70s to around 80.
Sunday Night... Mostly clear. Lows in the lower to mid 50s.
Monday... Sunny. Highs in the mid 70s to around 80.
Monday Night... Mostly clear. Lows in the mid 50s.
Tuesday... Sunny. Highs in the mid 70s to around 80.
Tuesday Night... Mostly clear in the evening then partly cloudy. Lows in the lower to mid 50s.
Wednesday... Partly cloudy. Highs in the lower to mid 70s.
Wednesday Night... Mostly cloudy. Lows in the mid 50s.
POP = Probability of Precipitation
Simi Valley Radar Loop
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