Currently 81°F in Simi Valley, California, USA
81°F
81°F / 62°F
6 mph NE
0.00"
Friday, October 17, 2025 12:55 PM PDT
Simi Valley Forecast Summary
Today Tomorrow Sunday
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High: N/A High: N/A High: N/A
Low: N/A Low: N/A Low: N/A
Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:  12:55 PM PDT
Temperature:  81°F
Normal Temperature 79°F
Relative Humidity:  25%
Dewpoint:  40°F
Heat Index:  79°F
Wind Chill:  81°F
Wind:  6 mph NE (64°)
Gusts:  16 mph
Barometer:  29.90" HgPressure Change falling

Sunrise & Sunset

Sunrise Sunset Daylight
Today: 6:54 AM 6:12 PM 11:18
Tomorrow: 6:55 AM 6:11 PM 11:16
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

Today Time Normal Last Year
High: 81°F 12:55 PM 81°F 67°F
Low: 62°F 5:58 AM 56°F 59°F

Precipitation

60 Min. Today Month Season
0.00" 0.00" 1.35" 1.62"
Season began July 1, 2025
Past Season Precipitation Totals
Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Simi Valley:
81°F
Simi Valley Forecast
Monday, October 6, 2025
Alert Forecast not current

Slightly cooler than normal conditions will continue through midweek due to a broad area of upper-level low pressure over the West. Night and morning low clouds will continue through the week. There is a slight chance of rain late in the week for Los Angeles County.

Today: Sunny and warm. Light breezes , high near 82°F .

Pollen level is rated "medium".

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

Tonight: Clear. Light breezes, low around 54°F.

Tuesday: Sunny and warm. Light breezes, high of about 82°F.

Tuesday night:Clear. Light breezes, low near 53°F.

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

Wednesday night: Mostly clear, low of about 53°F.

Thursday: Sunny, high near 79°F.

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

Friday: Mostly sunny and warm, high of about 80°F.

Friday night: Mostly clear, low near 55°F.

Saturday: Sunny, high around 76°F.

Saturday night: Mostly clear, low of about 53°F.

Sunday: Sunny, high near 76°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.
October 16 78°F 53°F 65°F 0.00"
October 15 67°F 46°F 56°F 0.01"
October 14 61°F 52°F 57°F 1.33"
October 13 70°F 54°F 61°F 0.01"
October 12 84°F 56°F 68°F 0.00"
October 11 82°F 52°F 67°F 0.00"
October 10 84°F 56°F 68°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: October 14th-15th, 2025

A Pacific low pressure system brought widespread rain and windy conditions ...

Posted October 15, 2025, 11:05 PM
Other Weather Information

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