National Weather Service Forecast for: Arroyo Grande CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 10:01 pm PST Dec 17, 2025
 
Tonight

Tonight: Mostly clear, with a low around 55. North wind around 5 mph.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 74. North wind 10 to 15 mph.
Sunny

 Thursday
Night
Thursday Night: Clear, with a low around 48. Northeast wind 5 to 10 mph.
Clear

 Friday

Friday: Sunny, with a high near 68. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Sunny

 Friday
Night
Friday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. North wind around 5 mph becoming calm after midnight.
Patchy Fog

 Saturday

Saturday: Patchy fog before 10am. Otherwise, cloudy, with a high near 69.
Patchy Fog
then Cloudy
 Saturday
Night
Saturday Night: A 10 percent chance of showers after 4am. Cloudy, with a low around 54.
Cloudy then
Slight Chance
Showers
 Sunday

Sunday: A chance of showers, mainly after 10am. Cloudy, with a high near 64.
Chance
Showers
 Sunday
Night
Sunday Night: A chance of showers. Cloudy, with a low around 52.
Chance
Showers
Lo 55 °F Hi 74 °F Lo 48 °F Hi 68 °F Lo 50 °F Hi 69 °F Lo 54 °F Hi 64 °F Lo 52 °F

 

Tonight
 
 Mostly clear, with a low around 55. North wind around 5 mph.
Thursday
 
 Sunny, with a high near 74. North wind 10 to 15 mph.
Thursday Night
 
 Clear, with a low around 48. Northeast wind 5 to 10 mph.
Friday
 
 Sunny, with a high near 68. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
 
 Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. North wind around 5 mph becoming calm after midnight.
Saturday
 
 Patchy fog before 10am. Otherwise, cloudy, with a high near 69.
Saturday Night
 
 A 10 percent chance of showers after 4am. Cloudy, with a low around 54.
Sunday
 
 A chance of showers, mainly after 10am. Cloudy, with a high near 64.
Sunday Night
 
 A chance of showers. Cloudy, with a low around 52.
Monday
 
 A chance of showers. Cloudy, with a high near 64.
Monday Night
 
 A chance of showers. Cloudy, with a low around 52.
Tuesday
 
 Showers likely. Cloudy, with a high near 63.
Tuesday Night
 
 Showers. Cloudy, with a low around 53.
Wednesday
 
 Showers. Cloudy, with a high near 62.

 

Forecast from NOAA-NWS for Arroyo Grande CA.