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

Currently 61°F in Simi Valley, California, USA

Monday, June 1, 2026 1:35 AM PDT

Simi Valley Forecast Summary

Today	Tomorrow	Wednesday

Sunny	Sunny	Sunny
High: 84°F	High: 81°F	High: 83°F
Low: 57°F	Low: 55°F	Low: 55°F

Complete Forecast Text Below

Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:	1:35 AM PDT
Temperature:	61°F
Normal Temperature :	58°F
Relative Humidity:	58%
Dewpoint:	45°F
Heat Index:	61°F
Wind Chill:	61°F
Wind:	calm
Gusts:	none
Barometer:	29.85" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:39 AM	7:53 PM	14:14
Tomorrow:	5:39 AM	7:54 PM	14:15
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	62°F	12:00 AM	77°F	86°F
Low:	61°F	1:35 AM	55°F	61°F

Precipitation

60 Min.	Today	Month	Season
0.00"	0.00"	0.00"	20.68"
Season began July 1, 2025
Past Season Precipitation Totals

Data captured from a Peet Bros. Ultimeter 2100

Local Weather Roundup

Simi Valley:

61°F

Complete Local Weather Roundup

Simi Valley Forecast

Sunday, May 31, 2026

Warm and dry conditions are expected through most of next week. There will be some coastal low clouds and fog, but otherwise skies will remain mostly clear. Gusty north winds are predicted through tonight, and gusty onshore winds are forecast through most of next week.

Today: Sunny and warm. Light breezes , high near 81°F .

Pollen level is rated "low-medium".

Predicted air quality is moderate, AQI: 69 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).

Tonight: Mostly clear. Light breezes, low around 57°F.

Monday: Sunny and warm. Light breezes, high of about 84°F.

Monday night:Mostly clear. Light breezes, low near 55°F.

Tuesday: Sunny and warm. Light breezes, high around 81°F.

Tuesday night: Mostly clear. Light breezes, low of about 55°F.

Wednesday: Sunny and warm, high near 83°F.

Wednesday night: Mostly clear, low around 57°F.

Thursday: Sunny, high of about 78°F.

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

Friday: Sunny, high around 79°F.

Friday night: Mostly clear, low of about 55°F.

Saturday: Mostly sunny, high near 76°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.
May 31	81°F	53°F	68°F	0.00"
May 30	77°F	51°F	65°F	0.00"
May 29	70°F	55°F	61°F	0.00"
May 28	67°F	47°F	57°F	0.00"
May 27	66°F	54°F	59°F	0.00"
May 26	68°F	52°F	59°F	0.00"
May 25	72°F	49°F	61°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: May 4th-5th, 2026

A low pressure system off the Central California coast brought unsettled we ...

Posted May 7, 2026, 10:22 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