National Weather Service Forecast for: Arroyo Grande CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 4:11 am PDT Sep 13, 2026
 
Today

Today: Sunny, with a high near 78. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 54. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.
Clear and
Breezy then
Mostly Clear
 Monday

Monday: Sunny, with a high near 80. North wind 5 to 15 mph.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 54. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 70. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Sunny

 Tuesday
Night
Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.
Patchy Fog

 Wednesday

Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 70.
Mostly Sunny
Hi 78 °F Lo 54 °F Hi 80 °F Lo 54 °F Hi 70 °F Lo 54 °F Hi 67 °F Lo 54 °F Hi 70 °F

 

Today
 
 Sunny, with a high near 78. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tonight
 
 Mostly clear, with a low around 54. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.
Monday
 
 Sunny, with a high near 80. North wind 5 to 15 mph.
Monday Night
 
 Mostly clear, with a low around 54. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Tuesday
 
 Sunny, with a high near 70. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54.
Wednesday
 
 Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67.
Wednesday Night
 
 Mostly clear, with a low around 54.
Thursday
 
 Mostly sunny, with a high near 70.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Sunny, with a high near 75.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Arroyo Grande CA.