Simi Valley Weather Pages - Current and Past Weather, Forecasts and News for Simi Valley, California

Currently 76°F in Simi Valley, California, USA

Tuesday, December 9, 2025 12:00 PM PST

Simi Valley Forecast Summary

Today	Tomorrow	Thursday

Sunny, Breezy	Sunny	Sunny
High: 78°F	High: 79°F	High: 77°F
Low: 55°F	Low: 54°F	Low: 53°F

Complete Forecast Text Below

Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:	12:00 PM PST
Temperature:	76°F
Normal Temperature :	64°F
Relative Humidity:	29%
Dewpoint:	40°F
Heat Index:	77°F
Wind Chill:	76°F
Wind:	7 mph S (167°)
Gusts:	13 mph
Barometer:	30.03" Hg falling

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:	76°F	11:58 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:

76°F

Complete Local Weather Roundup

Simi Valley Forecast

Saturday, December 6, 2025

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.

Complete Forecast Page

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: As seen near the Santa Susana pass, from the 118 freeway. Photo courtesy of Gabe Medrano.

More Photos and Features Submit Your Photo

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

More Simi Valley Weather News

Other Weather Information

Temperature, Humidity, Wind & Pressure

Sunrise & Sunset

Extreme Temperatures

Precipitation

National Weather Service

Other Simi Valley Weather Forecasts

Other Local Forecasts