National Weather Service Forecast for: Rosemont CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:01 pm PST Nov 1, 2026
 
Tonight

Tonight: Mostly clear, with a low around 46. Calm wind.
Mostly Clear

 Monday

Monday: Increasing clouds, with a high near 65. Light and variable wind.
Increasing
Clouds
 Monday
Night
Monday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy during the evening, then mostly clear overnight, with a low around 49. Calm wind.
Mostly Cloudy
then Chance
Showers
 Tuesday

Tuesday: Showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 62. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely
 Tuesday
Night
Tuesday Night: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 48. North northwest wind 3 to 5 mph.
Slight Chance
Showers then
Partly Cloudy
 Wednesday

Wednesday: Sunny, with a high near 67.
Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 47.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 68.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 46.
Mostly Clear
Lo 46 °F Hi 65 °F Lo 49 °F Hi 62 °F Lo 48 °F Hi 67 °F Lo 47 °F Hi 68 °F Lo 46 °F

 

Tonight
 
 Mostly clear, with a low around 46. Calm wind.
Monday
 
 Increasing clouds, with a high near 65. Light and variable wind.
Monday Night
 
 A 30 percent chance of showers, mainly after 4am. Mostly cloudy during the evening, then mostly clear overnight, with a low around 49. Calm wind.
Tuesday
 
 Showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 62. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 48. North northwest wind 3 to 5 mph.
Wednesday
 
 Sunny, with a high near 67.
Wednesday Night
 
 Partly cloudy, with a low around 47.
Thursday
 
 Sunny, with a high near 68.
Thursday Night
 
 Mostly clear, with a low around 46.
Friday
 
 Sunny, with a high near 70.
Friday Night
 
 Mostly clear, with a low around 47.
Saturday
 
 Sunny, with a high near 70.
Saturday Night
 
 Mostly clear, with a low around 48.
Sunday
 
 Mostly sunny, with a high near 71.

 

Forecast from NOAA-NWS for Rosemont CA.