National Weather Service Forecast for: Rosemont CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:00 pm PDT Jul 12, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 67. Southwest wind around 5 mph becoming calm  in the evening.
Increasing
Clouds
Monday

Monday: A 20 percent chance of rain.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.
Slight Chance
Rain
Monday
Night
Monday Night: Mostly clear, with a low around 69. West southwest wind around 5 mph becoming light and variable  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny and hot, with a high near 102. Calm wind becoming west southwest around 6 mph in the afternoon.
Hot
Tuesday
Night
Tuesday Night: Clear, with a low around 67. South wind 5 to 9 mph.
Clear
Wednesday

Wednesday: Sunny and hot, with a high near 102.
Hot
Wednesday
Night
Wednesday Night: Clear, with a low around 63.
Clear
Thursday

Thursday: Sunny and hot, with a high near 98.
Hot
Thursday
Night
Thursday Night: Mostly clear, with a low around 61.
Mostly Clear
Lo 67 °F Hi 98 °F Lo 69 °F Hi 102 °F Lo 67 °F Hi 102 °F Lo 63 °F Hi 98 °F Lo 61 °F

 

Tonight
 
Increasing clouds, with a low around 67. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
A 20 percent chance of rain. Mostly cloudy, then gradually becoming sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 69. West southwest wind around 5 mph becoming light and variable in the evening.
Tuesday
 
Sunny and hot, with a high near 102. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
 
Clear, with a low around 67. South wind 5 to 9 mph.
Wednesday
 
Sunny and hot, with a high near 102.
Wednesday Night
 
Clear, with a low around 63.
Thursday
 
Sunny and hot, with a high near 98.
Thursday Night
 
Mostly clear, with a low around 61.
Friday
 
Sunny, with a high near 95.
Friday Night
 
Partly cloudy, with a low around 61.
Saturday
 
Mostly sunny, with a high near 92.
Saturday Night
 
Mostly cloudy, with a low around 62.
Sunday
 
Mostly sunny, with a high near 94.

 

Forecast from NOAA-NWS for Rosemont CA.