National Weather Service Forecast for: Pomona CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 11:27 pm PDT Jun 29, 2026
 
Tonight

Tonight: Patchy fog.  Otherwise, cloudy, with a low around 58. Southwest wind around 5 mph becoming calm  after midnight.
Patchy Fog
Tuesday

Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 75. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.
Decreasing
Clouds
Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Mostly Cloudy
Wednesday

Wednesday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Patchy Fog
then Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 15 mph.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 81.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 58.
Mostly Clear
Friday

Friday: Sunny, with a high near 84.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 59.
Mostly Clear
Lo 58 °F Hi 75 °F Lo 56 °F Hi 78 °F Lo 56 °F Hi 81 °F Lo 58 °F Hi 84 °F Lo 59 °F

 

Tonight
 
Patchy fog. Otherwise, cloudy, with a low around 58. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
 
Cloudy, then gradually becoming mostly sunny, with a high near 75. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
 
Mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
 
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Thursday
 
Sunny, with a high near 81.
Thursday Night
 
Mostly clear, with a low around 58.
Friday
 
Sunny, with a high near 84.
Friday Night
 
Mostly clear, with a low around 59.
Independence Day
 
Mostly sunny, with a high near 86.
Saturday Night
 
Mostly clear, with a low around 60.
Sunday
 
Sunny, with a high near 86.
Sunday Night
 
Mostly clear, with a low around 61.
Monday
 
Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Pomona CA.