National Weather Service Forecast for: 3 Miles NE Simi Valley CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 11:31 pm PDT Jun 21, 2026
 
Today

Today: Sunny, with a high near 81. East northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Sunny
 Tonight

Tonight: Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Increasing
Clouds
 Tuesday

Tuesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Patchy Fog
then Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 60. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 59.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 85.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 57.
Mostly Clear
 Friday

Friday: Sunny, with a high near 82.
Sunny
Hi 81 °F Lo 57 °F Hi 86 °F Lo 60 °F Hi 87 °F Lo 59 °F Hi 85 °F Lo 57 °F Hi 82 °F

 

Today
 
 Sunny, with a high near 81. East northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
 
 Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
 
 Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 60. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
 
 Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 59.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Mostly clear, with a low around 57.
Friday
 
 Sunny, with a high near 82.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Sunny, with a high near 81.
Saturday Night
 
 Mostly clear, with a low around 56.
Sunday
 
 Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for 3 Miles NE Simi Valley CA.