National Weather Service Forecast for: Monte Rio CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Sep 12, 2026
 
Tonight

Tonight: Mostly clear, with a low around 53. West wind 7 to 13 mph, with gusts as high as 25 mph.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 71. West northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 53. West wind 5 to 11 mph, with gusts as high as 22 mph.
Mostly Clear
 Monday

Monday: Sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 52. Northwest wind 3 to 8 mph.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 76.
Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 52.
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 72.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Areas of fog after 8pm. Otherwise, mostly clear, with a low around 53.
Areas Fog
Lo 53 °F Hi 71 °F Lo 53 °F Hi 77 °F Lo 52 °F Hi 76 °F Lo 52 °F Hi 72 °F Lo 53 °F

 

Tonight
 
 Mostly clear, with a low around 53. West wind 7 to 13 mph, with gusts as high as 25 mph.
Sunday
 
 Sunny, with a high near 71. West northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday Night
 
 Mostly clear, with a low around 53. West wind 5 to 11 mph, with gusts as high as 22 mph.
Monday
 
 Sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 52. Northwest wind 3 to 8 mph.
Tuesday
 
 Sunny, with a high near 76.
Tuesday Night
 
 Patchy fog after 10pm. Otherwise, mostly clear, with a low around 52.
Wednesday
 
 Patchy fog before 9am. Otherwise, sunny, with a high near 72.
Wednesday Night
 
 Areas of fog after 8pm. Otherwise, mostly clear, with a low around 53.
Thursday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72.
Thursday Night
 
 Patchy fog. Otherwise, mostly clear, with a low around 53.
Friday
 
 Sunny, with a high near 73.
Friday Night
 
 Mostly clear, with a low around 54.
Saturday
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Monte Rio CA.