National Weather Service Forecast for: Norco CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 66. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.
Partly Cloudy
Monday

Monday: Mostly sunny, with a high near 91. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.
Partly Cloudy
Tuesday

Tuesday: Sunny, with a high near 96. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 71. West wind 10 to 15 mph becoming light  in the evening. Winds could gust as high as 25 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 103.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 75.
Mostly Clear
Thursday

Thursday: A slight chance of showers after 11am.  Mostly sunny, with a high near 98.
Slight Chance
Showers
Thursday
Night
Thursday Night: Mostly clear, with a low around 70.
Mostly Clear
Lo 66 °F Hi 91 °F Lo 67 °F Hi 96 °F Lo 71 °F Hi 103 °F Lo 75 °F Hi 98 °F Lo 70 °F

Extreme Heat Watch
 

Tonight
 
Partly cloudy, with a low around 66. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Monday
 
Mostly sunny, with a high near 91. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
 
Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
 
Sunny, with a high near 96. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
 
Mostly clear, with a low around 71. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 25 mph.
Wednesday
 
Sunny, with a high near 103.
Wednesday Night
 
Mostly clear, with a low around 75.
Thursday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 98.
Thursday Night
 
Mostly clear, with a low around 70.
Friday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 92.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 68.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 91.
Saturday Night
 
A slight chance of showers. Mostly clear, with a low around 67.
Sunday
 
A slight chance of showers. Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Norco CA.