Currently 61°F in Simi Valley, California, USA
61°F
67°F / 57°F
calm
0.00"
Tuesday, December 9, 2025 8:33 AM PST
Simi Valley Forecast Summary
Today Tomorrow Thursday
Sunny, Breezy Sunny Sunny
Sunny, Breezy   Sunny   Sunny
High: 78°F High: 79°F High: 77°F
Low: 55°F Low: 54°F Low: 53°F
Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:  8:33 AM PST
Temperature:  61°F
Normal Temperature 54°F
Relative Humidity:  50%
Dewpoint:  41°F
Heat Index:  61°F
Wind Chill:  61°F
Wind:  calm
Gusts:  3 mph
Barometer:  30.08" HgPressure Change rising

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:41 AM 4:40 PM 9:59
Tomorrow: 6:42 AM 4:40 PM 9:58
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 67°F 1:14 AM 67°F 72°F
Low: 57°F 7:48 AM 48°F 38°F

Precipitation

60 Min. Today Month Season
0.00" 0.00" 0.00" 6.79"
Season began July 1, 2025
Past Season Precipitation Totals
Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Simi Valley:
61°F
Simi Valley Forecast
Saturday, December 6, 2025
Alert Forecast not current

Light offshore winds will weaken through tonight. Benign weather will continue through the weekend with a low chance of morning coastal low clouds and fog. A significant warming trend will begin Sunday with temperatures well above normal Monday through next Friday, peaking Tuesday through Thursday. Offshore winds will increase Sunday and Monday and continue into much of the week.

Today: Sunny. Light breezes , high near 71°F .

Pollen level is rated "low".

Predicted air quality is good, AQI: 44 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).

Tonight: Clear. Light breezes, low around 54°F.

Sunday: Sunny. Offshore breezes, high of about 75°F.

Sunday night:Clear. Offshore breezes, low near 55°F.

Monday: Sunny. Offshore breezes, high around 77°F.

Monday night: Clear. Offshore breezes, low of about 55°F.

Tuesday: Sunny. Offshore breezes, high near 78°F.

Tuesday night: Clear, low around 54°F.

Wednesday: Sunny, high of about 79°F.

Wednesday night: Clear, low near 53°F.

Thursday: Sunny, high around 77°F.

Thursday night: Clear, low of about 54°F.

Friday: Sunny, high near 78°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.
December 8 77°F 50°F 67°F 0.00"
December 7 76°F 45°F 57°F 0.00"
December 6 71°F 45°F 55°F 0.00"
December 5 74°F 45°F 59°F 0.00"
December 4 66°F 52°F 59°F 0.00"
December 3 66°F 44°F 55°F 0.00"
December 2 69°F 47°F 57°F 0.00"
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
Storm Totals: November 17th-22nd, 2025

Two weather systems swept across California last week; the first as a low p ...

Posted November 23, 2025, 10:53 PM
Other Weather Information

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