Currently 57°F in Simi Valley, California, USA
57°F
62°F / 57°F
calm
0.00"
Friday, May 9, 2025 5:54 AM PDT
Simi Valley Forecast Summary
Today Tomorrow Sunday
Sunny Mostly sunny Not Available
Sunny   Mostly sunny   Not Available
High: 84°F High: 85°F High: N/A
Low: 56°F Low: 59°F Low: N/A
Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:  5:54 AM PDT
Temperature:  57°F
Normal Temperature 54°F
Relative Humidity:  75%
Dewpoint:  49°F
Heat Index:  57°F
Wind Chill:  57°F
Wind:  calm
Gusts:  2 mph
Barometer:  29.99" HgPressure Change steady

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 5:53 AM 7:38 PM 13:45
Tomorrow: 5:52 AM 7:38 PM 13:46
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 62°F 12:08 AM 75°F 78°F
Low: 57°F 5:54 AM 53°F 49°F

Precipitation

60 Min. Today Month Season
0.00" 0.00" 0.01" 7.27"
Season began July 1, 2024
Past Season Precipitation Totals
Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Simi Valley:
57°F
Simi Valley Forecast
Sunday, May 4, 2025
Alert Forecast not current

Cooler than normal temperatures are expected through Monday with drizzle or light showers at times, especially tonight into Sunday. Locally windy conditions are predicted over the weekend as well. Isolated thunderstorms are possible in the mountains each afternoon through Monday. Dry with weather a gradual warming trend will begin Tuesday.

Today: Cloudy, becoming mostly sunny. Breezy. 30 percent chance of showers in the morning , high near 64°F .

Pollen level is rated "low-medium".

Predicted air quality is good, AQI: 42 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).

Tonight: Mostly cloudy. Light breezes, low around 52°F.

Monday: Mostly sunny. Light breezes, high of about 66°F.

Monday night:Mostly cloudy, then patchy fog developing. Light breezes, low near 51°F.

Tuesday: Patchy fog early, otherwise partly sunny, high around 70°F.

Tuesday night: Partly cloudy, low of about 51°F.

Wednesday: Patchy fog early, otherwise mostly sunny, high near 74°F.

Wednesday night: Mostly clear, low around 54°F.

Thursday: Sunny and warm, high of about 81°F.

Thursday night: Mostly clear, low near 56°F.

Friday: Sunny and warm, high around 84°F.

Friday night: Mostly cloudy, then patchy fog developing, low of about 59°F.

Saturday: Patchy fog early, otherwise mostly sunny and warm, high near 85°F.

Simi Valley forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.
Recently in Simi Valley
Date High Low Ave. Prec.
May 8 81°F 52°F 66°F 0.00"
May 7 68°F 56°F N/A 0.01"
More Past Weather
Simi Valley Featured Photos
Cloud Stream
Cloud Stream: As seen near the Santa Susana pass, from the 118 freeway. Photo courtesy of Gabe Medrano.
Simi Valley Weather News
Low pressure systems bring cool, cloudy weather late this week

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Posted April 19, 2025, 4:07 PM
Other Weather Information

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