National Weather Service Forecast for: Orange CA
Issued by: National Weather Service San Diego, CA
Updated: 12:34 am PDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 68. Calm wind.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Friday

Friday: Sunny, with a high near 90. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 69. South wind around 5 mph becoming calm  in the evening.
Mostly Clear
Saturday

Saturday: Patchy fog before 11am.  Otherwise, sunny, with a high near 91.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 70.
Mostly Clear
Sunday

Sunday: Patchy fog before 11am.  Otherwise, sunny, with a high near 91.
Patchy Fog
then Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 69.
Mostly Clear
Lo 68 °F Hi 90 °F Lo 68 °F Hi 90 °F Lo 69 °F Hi 91 °F Lo 70 °F Hi 91 °F Lo 69 °F

 

Overnight
 
Mostly clear, with a low around 68. Calm wind.
Thursday
 
Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
 
Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 90. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
 
Mostly clear, with a low around 69. South wind around 5 mph becoming calm in the evening.
Saturday
 
Patchy fog before 11am. Otherwise, sunny, with a high near 91.
Saturday Night
 
Mostly clear, with a low around 70.
Sunday
 
Patchy fog before 11am. Otherwise, sunny, with a high near 91.
Sunday Night
 
Mostly clear, with a low around 69.
Monday
 
Sunny, with a high near 93.
Monday Night
 
Mostly clear, with a low around 70.
Tuesday
 
Sunny, with a high near 94.
Tuesday Night
 
Mostly clear, with a low around 72.
Wednesday
 
Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Orange CA.