National Weather Service Forecast for: Arroyo Grande CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 6:16 pm PST Dec 22, 2025
 
Tonight

Tonight: A 10 percent chance of rain after 4am. Cloudy, with a low around 52. West wind around 5 mph becoming east southeast in the evening.
Cloudy then
Slight Chance
Rain
 Tuesday

Tuesday: A 40 percent chance of rain, mainly after 10am. Cloudy, with a high near 64. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Breezy
 Tuesday
Night
Tuesday Night: Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 56. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers and
Windy
 Wednesday

Wednesday: Showers. High near 61. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Showers and
Breezy
 Wednesday
Night
Wednesday Night: Showers. Low around 54. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers and
Breezy
 Christmas
Day
Christmas Day: Showers. High near 59. Breezy. Chance of precipitation is 100%.
Showers and
Breezy
 Thursday
Night
Thursday Night: Showers. Low around 50. Chance of precipitation is 100%.
Showers

 Friday

Friday: Showers. Cloudy, with a high near 56.
Showers

 Friday
Night
Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 43.
Showers
Likely
Lo 52 °F Hi 64 °F Lo 56 °F Hi 61 °F Lo 54 °F Hi 59 °F Lo 50 °F Hi 56 °F Lo 43 °F

Flood Watch
High Wind Warning
 

Tonight
 
 A 10 percent chance of rain after 4am. Cloudy, with a low around 52. West wind around 5 mph becoming east southeast in the evening.
Tuesday
 
 A 40 percent chance of rain, mainly after 10am. Cloudy, with a high near 64. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 56. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
 
 Showers. High near 61. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
 
 Showers. Low around 54. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Christmas Day
 
 Showers. High near 59. Breezy. Chance of precipitation is 100%.
Thursday Night
 
 Showers. Low around 50. Chance of precipitation is 100%.
Friday
 
 Showers. Cloudy, with a high near 56.
Friday Night
 
 Showers likely, mainly before 10pm. Mostly cloudy, with a low around 43.
Saturday
 
 A slight chance of showers. Mostly sunny, with a high near 58.
Saturday Night
 
 Mostly clear, with a low around 42.
Sunday
 
 Sunny, with a high near 61.
Sunday Night
 
 Mostly clear, with a low around 42.
Monday
 
 Sunny, with a high near 64.

 

Forecast from NOAA-NWS for Arroyo Grande CA.