Currently 77°F in Simi Valley, California, USA
77°F
89°F / 52°F
calm
0.00"
Sunday, March 15, 2026 6:41 PM PDT

Seven Day Forecast for Simi Valley, California

Posted Sunday, March 15, 2026, 2:08 PM

A significant heat wave will kick off today, peaking next Tuesday and Wednesday and then continuing through Friday. Moderate to high heat impacts will occur each day Monday through Friday.

Sunny
Today:
90°F 
52°F 
Sunny and very warm. Light breezes
0% chance of precipitation
Predicted Air Quality: good, AQI: 45 (for Simi Valley and Moorpark (courtesy of the VCAPCD)).
Pollen level is rated "medium-high".
Sunday night / Monday morning:
63°F  Clear. Light breezes
0% chance of precipitation
Sunny
Monday:
94°F  Sunny and very warm. Light breezes
0% chance of precipitation
Monday night / Tuesday morning:
65°F  Mostly clear. Light breezes
0% chance of precipitation
Sunny, Hot
Tuesday:
97°F  Sunny and hot. Light breezes
0% chance of precipitation
Tuesday night / Wednesday morning:
74°F  Mostly clear
0% chance of precipitation
Sunny, Hot
Wednesday:
97°F  Sunny and hot
0% chance of precipitation
Wednesday night / Thursday morning:
74°F  Clear
0% chance of precipitation
Sunny, Hot
Thursday:
99°F  Sunny and hot
0% chance of precipitation
Thursday night / Friday morning:
75°F  Clear
0% chance of precipitation
Sunny, Hot
Friday:
97°F  Sunny and hot
0% chance of precipitation
Friday night / Saturday morning:
63°F  Clear
0% chance of precipitation
Sunny
Saturday:
93°F  Sunny and very warm
0% chance of precipitation

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