National Weather Service Forecast for: Covina CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 3:42 pm PDT Jul 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Monday

Monday: Mostly sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Mostly Sunny
Monday
Night
Monday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph becoming light west southwest  in the evening.
Patchy Fog
Tuesday

Tuesday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing and hot, with a high near 97. Heat index values as high as 113. Light southwest wind increasing to 5 to 10 mph in the morning.
Patchy Fog
then Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny and hot, with a high near 102.
Hot
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73.
Mostly Clear
Thursday

Thursday: Sunny and hot, with a high near 97.
Hot
Thursday
Night
Thursday Night: Partly cloudy, with a low around 68.
Partly Cloudy
Lo 68 °F Hi 91 °F Lo 68 °F Hi 97 °F Lo 70 °F Hi 102 °F Lo 73 °F Hi 97 °F Lo 68 °F

Heat Advisory
Extreme Heat Watch
 

Tonight
 
Partly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm in the evening.
Monday
 
Mostly sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
 
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph becoming light west southwest in the evening.
Tuesday
 
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing and hot, with a high near 97. Heat index values as high as 113. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
 
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny and hot, with a high near 102.
Wednesday Night
 
Mostly clear, with a low around 73.
Thursday
 
Sunny and hot, with a high near 97.
Thursday Night
 
Partly cloudy, with a low around 68.
Friday
 
Mostly sunny, with a high near 90.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 67.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 90.
Saturday Night
 
A slight chance of showers. Mostly clear, with a low around 66.
Sunday
 
Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Covina CA.