National Weather Service Forecast for: Norco CA
Issued by: National Weather Service San Diego, CA
Updated: 1:04 am PST Feb 2, 2026
 
Overnight

Overnight: Mostly clear, with a low around 51. Calm wind.
Mostly Clear
 Monday

Monday: Mostly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Mostly Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 84. East wind 5 to 10 mph becoming north in the afternoon.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 54. East wind 5 to 10 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 86.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 83.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 54.
Mostly Cloudy
Lo 51 °F Hi 79 °F Lo 51 °F Hi 84 °F Lo 54 °F Hi 86 °F Lo 56 °F Hi 83 °F Lo 54 °F

Air Quality Alert
 

Overnight
 
 Mostly clear, with a low around 51. Calm wind.
Monday
 
 Mostly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 84. East wind 5 to 10 mph becoming north in the afternoon.
Tuesday Night
 
 Clear, with a low around 54. East wind 5 to 10 mph.
Wednesday
 
 Sunny, with a high near 86.
Wednesday Night
 
 Mostly clear, with a low around 56.
Thursday
 
 Mostly sunny, with a high near 83.
Thursday Night
 
 Mostly cloudy, with a low around 54.
Friday
 
 Partly sunny, with a high near 77.
Friday Night
 
 Partly cloudy, with a low around 51.
Saturday
 
 Sunny, with a high near 78.
Saturday Night
 
 Mostly clear, with a low around 52.
Sunday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Norco CA.