National Weather Service Forecast for: Castroville CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 am PDT Jun 22, 2026
 
Overnight

Overnight: Cloudy, with a low around 54. Calm wind.
Cloudy

Monday

Monday: Cloudy, then gradually becoming mostly sunny, with a high near 64. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Decreasing
Clouds
Monday
Night
Monday Night: Mostly cloudy, with a low around 55. West wind 5 to 9 mph becoming calm  in the evening.
Mostly Cloudy

Tuesday

Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 65. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Decreasing
Clouds
Tuesday
Night
Tuesday Night: Patchy fog between 3am and 4am.  Otherwise, mostly cloudy, with a low around 55. West wind 5 to 9 mph becoming calm  in the evening.
Mostly Cloudy
then Patchy
Fog
Wednesday

Wednesday: Partly sunny, with a high near 66.
Partly Sunny

Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 55.
Mostly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 65.
Mostly Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 55.
Partly Cloudy

Lo 54 °F Hi 64 °F Lo 55 °F Hi 65 °F Lo 55 °F Hi 66 °F Lo 55 °F Hi 65 °F Lo 55 °F

Beach Hazards Statement
 

Overnight
 
Cloudy, with a low around 54. Calm wind.
Monday
 
Cloudy, then gradually becoming mostly sunny, with a high near 64. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
 
Mostly cloudy, with a low around 55. West wind 5 to 9 mph becoming calm in the evening.
Tuesday
 
Cloudy, then gradually becoming mostly sunny, with a high near 65. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
 
Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 55. West wind 5 to 9 mph becoming calm in the evening.
Wednesday
 
Partly sunny, with a high near 66.
Wednesday Night
 
Mostly cloudy, with a low around 55.
Thursday
 
Mostly sunny, with a high near 65.
Thursday Night
 
Partly cloudy, with a low around 55.
Friday
 
Partly sunny, with a high near 64.
Friday Night
 
Mostly cloudy, with a low around 57.
Saturday
 
Partly sunny, with a high near 63.
Saturday Night
 
Partly cloudy, with a low around 54.
Sunday
 
Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Castroville CA.