National Weather Service Forecast for: Monte Rio CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 pm PDT Jul 12, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 60. Calm wind.
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Mostly Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 61. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Tuesday

Tuesday: Sunny, with a high near 88. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 61. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 88.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 80.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 53.
Mostly Clear
Lo 60 °F Hi 85 °F Lo 61 °F Hi 88 °F Lo 61 °F Hi 88 °F Lo 57 °F Hi 80 °F Lo 53 °F

Coastal Flood Advisory
 

Overnight
 
Mostly cloudy, with a low around 60. Calm wind.
Monday
 
Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
 
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 88. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
Mostly clear, with a low around 61. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
 
Sunny, with a high near 88.
Wednesday Night
 
Mostly clear, with a low around 57.
Thursday
 
Sunny, with a high near 80.
Thursday Night
 
Mostly clear, with a low around 53.
Friday
 
Sunny, with a high near 70.
Friday Night
 
Partly cloudy, with a low around 53.
Saturday
 
Mostly sunny, with a high near 70.
Saturday Night
 
Partly cloudy, with a low around 55.
Sunday
 
Partly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Monte Rio CA.