Currently 73°F in Simi Valley, California, USA
73°F
85°F / 53°F
calm
0.00"
Tuesday, October 21, 2025 5:59 PM PDT

Seven Day Forecast for Simi Valley, California

Posted Saturday, October 18, 2025, 3:55 PM
Alert Forecast not current

Very nice weather will continue into early next week with maximum temperatures within five degrees of normal for most of the region through Monday. Dense coastal fog will be possible Sunday and Monday mornings. Then a weak upper low will swing across Southern California Wednesday, bringing cooler weather and a chance of drizzle or light rain. There is another chance of rain next weekend.

Sunny
Today:
79°F 
54°F 
Sunny
0% chance of precipitation
Predicted Air Quality: moderate, AQI: 55 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).
Pollen level is rated "low-medium".
Tuesday night / Wednesday morning:
52°F  Mostly cloudy
0% chance of precipitation
Mostly sunny
Wednesday:
70°F  Mostly sunny
0% chance of precipitation
Wednesday night / Thursday morning:
51°F  Mostly clear
0% chance of precipitation
Sunny
Thursday:
76°F  Sunny
0% chance of precipitation
Thursday night / Friday morning:
53°F  Mostly clear
0% chance of precipitation
Sunny
Friday:
77°F  Sunny
0% chance of precipitation
Friday night / Saturday morning:
N/A 
% chance of precipitation
Not Available
Saturday:
N/A 
% chance of precipitation
Saturday night / Sunday morning:
N/A 
% chance of precipitation
Not Available
Sunday:
N/A 
% chance of precipitation
Sunday night / Monday morning:
N/A 
% chance of precipitation
Not Available
Monday:
N/A 
% chance of precipitation

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