Simi Valley Weather Forecast
- 37
- 54
Rain Likely
- 41
- 50
Rain
- 43
- 64
Mostly Sunny
- 47
- 68
Mostly Cloudy
- 44
- 65
Chance Rain
- 45
- 64
Mostly Sunny
- 45
- 70
Mostly Sunny
Today 13 Mar Southeastern Ventura County Valleys
Showers likely with a slight chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower to mid 50s. West Winds around 15 Mph increasing to 20 to 30 Mph with Gusts to 45 Mph in the afternoon. Chance of precipitation 70 percent.
Tonight 13 Mar Southeastern Ventura County Valleys
Partly cloudy. A 20 percent chance of rain after midnight. Lows in the mid 30s to around 40. West Winds 15 to 25 Mph. Gusts to 40 Mph in the evening.
Simi Valley Temperature Statistics
March Temperature
Van Nuys, Van Nuys Airport (14.9 miles)
Lowest 8 March, 2025
41 °FAverage March
55.7 °FHighest 9 March, 2025
72 °F
Climate (2020–Present)
Van Nuys, Van Nuys Airport (14.9 miles)
Average Low 2020–2025
56.9 °FAverage 2020–2025
67.7 °FAverage High 2020–2025
79.7 °F