National Weather Service Forecast for: Pomona CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 3:42 pm PDT Jul 12, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 90. West southwest wind around 10 mph, with gusts as high as 15 mph.
Partly Sunny
 Tonight

Tonight: Partly cloudy, with a low around 67. West southwest wind 5 to 10 mph.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 92. Light west southwest wind increasing to 5 to 10 mph in the morning.
Mostly Sunny
 Monday
Night
Monday Night: Patchy fog after 11pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 68. West southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 15 mph.
Patchy Fog
 Tuesday

Tuesday: Mostly sunny and hot, with a high near 98. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Hot
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 70.
Mostly Clear
 Wednesday

Wednesday: Sunny and hot, with a high near 103.
Hot
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73.
Mostly Clear
 Thursday

Thursday: Sunny and hot, with a high near 98.
Hot
Hi 90 °F Lo 67 °F Hi 92 °F Lo 68 °F Hi 98 °F Lo 70 °F Hi 103 °F Lo 73 °F Hi 98 °F

Extreme Heat Watch
Heat Advisory
 

This Afternoon
 
 Partly sunny, with a high near 90. West southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
 
 Partly cloudy, with a low around 67. West southwest wind 5 to 10 mph.
Monday
 
 Mostly sunny, with a high near 92. Light west southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
 
 Patchy fog after 11pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 68. West southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 15 mph.
Tuesday
 
 Mostly sunny and hot, with a high near 98. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
 
 Mostly clear, with a low around 70.
Wednesday
 
 Sunny and hot, with a high near 103.
Wednesday Night
 
 Mostly clear, with a low around 73.
Thursday
 
 Sunny and hot, with a high near 98.
Thursday Night
 
 Mostly clear, with a low around 68.
Friday
 
 A slight chance of showers. Mostly sunny, with a high near 91.
Friday Night
 
 A slight chance of showers. Partly cloudy, with a low around 66.
Saturday
 
 A slight chance of showers. Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Pomona CA.