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

Currently 67°F in Simi Valley, California, USA

Friday, July 17, 2026 5:22 AM PDT

Simi Valley Forecast Summary

Today	Tomorrow	Sunday

Not Available	Not Available	Not Available
High: N/A	High: N/A	High: N/A
Low: N/A	Low: N/A	Low: N/A

Complete Forecast Text Below

Currently in Simi Valley

Temperature, Humidity, Wind & Pressure

Time:	5:22 AM PDT
Temperature:	67°F
Normal Temperature :	63°F
Relative Humidity:	74%
Dewpoint:	58°F
Heat Index:	67°F
Wind Chill:	67°F
Wind:	calm
Gusts:	3 mph
Barometer:	29.85" Hg rising

Sunrise & Sunset

	Sunrise	Sunset	Daylight
Today:	5:49 AM	7:57 PM	14:09
Tomorrow:	5:49 AM	7:57 PM	14:08
30 Day Sunrise and Sunset Almanac

Extreme Temperatures

	Today	Time	Normal	Last Year
High:	73°F	12:17 AM	87°F	88°F
Low:	67°F	5:22 AM	61°F	56°F

Precipitation

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

Data captured from a Peet Bros. Ultimeter 2100

Local Weather Roundup

Simi Valley:

67°F

Complete Local Weather Roundup

Simi Valley Forecast

Sunday, June 21, 2026

Forecast not current

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.

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.
July 16	93°F	68°F	80°F	0.00"
July 15	95°F	68°F	82°F	0.00"
July 14	91°F	66°F	78°F	0.00"
July 13	89°F	65°F	76°F	0.00"
July 12	88°F	65°F	74°F	0.00"
July 11	90°F	59°F	72°F	0.00"
July 10	86°F	59°F	72°F	0.00"
More Past Weather