Currently 77°F in Simi Valley, California, USA
77°F
77°F / 53°F
8 mph W
0.00"
Sunday, June 21, 2026 1:49 PM PDT
Simi Valley Forecast Summary
Today Tomorrow Tuesday
Sunny, Breezy Sunny, Breezy Mostly sunny
Sunny, Breezy   Sunny, Breezy   Mostly sunny
High: 79°F High: 82°F High: 87°F
Low: 55°F Low: 55°F Low: 57°F
Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:  1:49 PM PDT
Temperature:  77°F
Normal Temperature 81°F
Relative Humidity:  52%
Dewpoint:  57°F
Heat Index:  79°F
Wind Chill:  77°F
Wind:  8 mph W (269°)
Gusts:  16 mph
Barometer:  29.84" HgPressure Change falling

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 5:38 AM 8:03 PM 14:25
Tomorrow: 5:39 AM 8:04 PM 14:25
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 77°F 12:53 PM 83°F 74°F
Low: 53°F 6:08 AM 58°F 60°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:
77°F
Simi Valley Forecast
Sunday, June 21, 2026

Below normal temperatures will continue through the weekend, with a deep marine layer, as well as gusty winds over the interior. A significant warming trend will start Monday and peak around Wednesday. A push of moisture midweek will bring at least a low chance of rain.

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

Pollen level is rated "low-medium".

Predicted air quality is good, AQI: 50 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).

Tonight: Clear. Light breezes, low around 55°F.

Monday: Sunny and warm. Afternoon breezes, high of about 82°F.

Monday night:Mostly clear. Light breezes, low near 57°F.

Tuesday: Low clouds and fog early, becoming sunny and warm, high around 87°F.

Tuesday night: Clear, low of about 58°F.

Wednesday: Sunny and warm, high near 88°F.

Wednesday night: Mostly clear, low around 62°F.

Thursday: Sunny and warm, high of about 85°F.

Thursday night: Mostly clear, low near 59°F.

Friday: Sunny and warm, high around 83°F.

Friday night: Mostly clear, low of about 56°F.

Saturday: 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.
June 20 76°F 52°F 64°F 0.00"
June 19 73°F 58°F 64°F 0.00"
June 18 77°F 61°F 66°F 0.00"
June 17 80°F 57°F 67°F 0.00"
June 16 83°F 56°F 69°F 0.00"
June 15 83°F 58°F 70°F 0.00"
June 14 83°F 56°F 70°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
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Other Weather Information

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