Currently 70°F in Simi Valley, California, USA
70°F / 54°F
Monday, April 22, 2024 2:52 PM PDT
Simi Valley Forecast Summary
Today Tomorrow Wednesday
Mostly sunny, Breezy Partly sunny Partly sunny
Mostly sunny, Breezy   Partly sunny   Partly sunny
High: 76°F High: 70°F High: 67°F
Low: 53°F Low: 52°F Low: 48°F
Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:  2:52 PM PDT
Temperature:  70°F
Normal Temperature 74°F
Relative Humidity:  67%
Dewpoint:  58°F
Heat Index:  75°F
Wind Chill:  70°F
Wind:  calm
Gusts:  none
Barometer:  29.87" HgPressure Change falling

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:09 AM 7:26 PM 13:17
Tomorrow: 6:08 AM 7:27 PM 13:19
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 70°F 2:47 PM 76°F 87°F
Low: 54°F 7:03 AM 52°F 63°F


60 Min. Today Month Season
0.00" 0.00" 1.06" 21.69"
Season began July 1, 2023
Past Season Precipitation Totals
Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Simi Valley:
Simi Valley Forecast
Saturday, April 20, 2024
Alert Forecast not current

Low clouds and fog will be present through at least the middle next week, less expansive on Sunday. Sunday will be the warmest day with temperatures five to fifteen degrees above normal, with steady cooling to follow. Drizzle is expected Tuesday through Thursday with a chance of light rain Friday.

Today: Low clouds early, becoming sunny and breezy , high near 71°F .

Pollen level is rated "medium".

Predicted air quality is moderate, AQI: 51 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).

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

Sunday: Sunny and warm. Light breezes, high of about 80°F.

Sunday night:Partly cloudy. Light breezes, low near 53°F.

Monday: Mostly sunny and breezy, high around 76°F.

Monday night: Mostly cloudy, then patchy fog developing, low of about 52°F.

Tuesday: Low clouds and fog early, otherwise partly sunny, high near 70°F.

Tuesday night: Partly cloudy and cool, low around 48°F.

Wednesday: Patchy fog early, otherwise partly sunny, high of about 67°F.

Wednesday night: Mostly cloudy, then patchy fog developing. Cool, low near 48°F.

Thursday: Patchy fog early, otherwise partly sunny, high around 67°F.

Thursday night: Partly cloudy and cool. Slight chance of rain, low of about 49°F.

Friday: Partly sunny. Slight chance of rain, high near 68°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.
April 21 78°F 50°F 63°F 0.00"
April 20 69°F 49°F 58°F 0.00"
April 19 65°F 51°F 56°F 0.00"
April 18 75°F 51°F 61°F 0.00"
April 17 77°F 51°F 63°F 0.00"
April 16 81°F 46°F 61°F 0.00"
April 15 66°F 51°F 58°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: April 13th-14th, 2024

A cold low pressure system from the Gulf of Alaska swept down the state ove ...

Posted April 17, 2024, 12:53 AM
Other Weather Information

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