National Weather Service Forecast for: Arroyo Grande CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 7:52 pm PST Dec 23, 2025
 
Tonight

Tonight: Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. 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 1 and 2 inches possible.
Heavy Rain
and Windy

 Wednesday

Wednesday: Showers and possibly a thunderstorm. 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 and possibly a thunderstorm. 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 rainfall amounts between a quarter and half of an inch possible.
Showers and
Breezy

 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm. High near 59. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers and
Breezy

 Thursday
Night
Thursday Night: Showers, with thunderstorms also possible after 10pm. Low around 51. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Friday

Friday: Showers. High near 57. Chance of precipitation is 90%.
Showers

 Friday
Night
Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Showers
Likely then
Chance
Showers
 Saturday

Saturday: A slight chance of showers. Mostly sunny, with a high near 58.
Slight Chance
Showers

 Saturday
Night
Saturday Night: Mostly clear, with a low around 43.
Mostly Clear
Lo 56 °F Hi 61 °F Lo 54 °F Hi 59 °F Lo 51 °F Hi 57 °F Lo 45 °F Hi 58 °F Lo 43 °F

Flood Watch
High Wind Warning
 

Tonight
 
 Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. 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 1 and 2 inches possible.
Wednesday
 
 Showers and possibly a thunderstorm. 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 and possibly a thunderstorm. 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 rainfall amounts between a quarter and half of an inch possible.
Christmas Day
 
 Showers and possibly a thunderstorm. High near 59. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
 
 Showers, with thunderstorms also possible after 10pm. Low around 51. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
 Showers. High near 57. Chance of precipitation is 90%.
Friday Night
 
 Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Saturday
 
 A slight chance of showers. Mostly sunny, with a high near 58.
Saturday Night
 
 Mostly clear, with a low around 43.
Sunday
 
 Sunny, with a high near 62.
Sunday Night
 
 Mostly clear, with a low around 43.
Monday
 
 Sunny, with a high near 64.
Monday Night
 
 Partly cloudy, with a low around 46.
Tuesday
 
 A slight chance of showers. Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Arroyo Grande CA.