National Weather Service Forecast for: 3 Miles NE Simi Valley CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 1:47 am PDT Jun 30, 2026
 
Overnight

Overnight: Patchy fog.  Otherwise, cloudy, with a low around 55. Calm wind.
Patchy Fog
Tuesday

Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 75. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Gradual
Clearing
Tuesday
Night
Tuesday Night: Increasing clouds, with a low around 53. Southwest wind 5 to 10 mph becoming light south  in the evening. Winds could gust as high as 15 mph.
Increasing
Clouds
Wednesday

Wednesday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Patchy Fog
then Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable  in the evening.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 76.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear
Friday

Friday: Sunny, with a high near 79.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 56.
Mostly Clear
Lo 55 °F Hi 75 °F Lo 53 °F Hi 74 °F Lo 53 °F Hi 76 °F Lo 55 °F Hi 79 °F Lo 56 °F

 

Overnight
 
Patchy fog. Otherwise, cloudy, with a low around 55. Calm wind.
Tuesday
 
Cloudy through mid morning, then gradual clearing, with a high near 75. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
 
Increasing clouds, with a low around 53. Southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 15 mph.
Wednesday
 
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
 
Sunny, with a high near 76.
Thursday Night
 
Mostly clear, with a low around 55.
Friday
 
Sunny, with a high near 79.
Friday Night
 
Mostly clear, with a low around 56.
Independence Day
 
Sunny, with a high near 82.
Saturday Night
 
Partly cloudy, with a low around 57.
Sunday
 
Sunny, with a high near 82.
Sunday Night
 
Mostly clear, with a low around 58.
Monday
 
Sunny, with a high near 83.

 

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