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

Currently 55°F in Simi Valley, California, USA

Monday, October 26, 2026 2:19 AM PDT

Simi Valley Forecast Summary

Today	Tomorrow	Wednesday

Sunny	Sunny	Mostly sunny
High: 79°F	High: 77°F	High: 74°F
Low: 54°F	Low: 54°F	Low: 54°F

Complete Forecast Text Below

Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:	2:19 AM PDT
Temperature:	55°F
Normal Temperature :	59°F
Relative Humidity:	75%
Dewpoint:	47°F
Heat Index:	55°F
Wind Chill:	55°F
Wind:	calm
Gusts:	none
Barometer:	30.04" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	7:02 AM	6:02 PM	11:00
Tomorrow:	7:03 AM	6:01 PM	10:58
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	57°F	12:12 AM	79°F	71°F
Low:	55°F	2:19 AM	55°F	51°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.74"	1.34"
Season began July 1, 2026
Past Season Precipitation Totals

Data captured from a Peet Bros. Ultimeter 2100

Local Weather Roundup

Simi Valley:

55°F

Complete Local Weather Roundup

Simi Valley Forecast

Sunday, October 25, 2026

Expect near to slightly above normal temperatures through Monday, then gradually cooler weather for the middle to end of next week. There is growing potential for a storm system arriving towards next weekend.

Today: Sunny. Light breezes , high near 79°F .

Pollen level is rated "N/A".

Predicted air quality is good, AQI: 48 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).

Tonight: Mostly clear. Light breezes, low around 54°F.

Monday: Sunny. Light breezes, high of about 79°F.

Monday night:Mostly clear. Light breezes, low near 54°F.

Tuesday: Sunny. Light breezes, high around 77°F.

Tuesday night: Partly cloudy. Light breezes, low of about 54°F.

Wednesday: Mostly sunny, high near 74°F.

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

Thursday: Mostly cloudy, high of about 69°F.

Thursday night: Mostly cloudy and cool, low near 54°F.

Friday: Partly sunny, high around 68°F.

Friday night: Partly cloudy and cool, low of about 52°F.

Saturday: Partly sunny. Slight chance of showers, high near 64°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.
October 25	78°F	51°F	63°F	0.00"
October 24	79°F	54°F	66°F	0.00"
October 23	70°F	52°F	61°F	0.01"
October 22	66°F	57°F	62°F	0.32"
October 21	65°F	57°F	61°F	0.38"
October 20	81°F	58°F	68°F	0.00"
October 19	85°F	59°F	70°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.

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Simi Valley Weather News

Storm Totals: October 21st-24th, 2026 (updated)

More unsettled weather, this time in the form of scattered thunderstorms an ...

Posted October 24, 2026, 11:24 AM

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

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