National Weather Service Forecast for: Atascadero 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 83. North wind around 10 mph.
Sunny
 Tonight

Tonight: Clear, with a low around 50. North wind 10 to 15 mph, with gusts as high as 20 mph.
Clear
 Monday

Monday: Sunny, with a high near 85. North wind 5 to 10 mph becoming west northwest in the afternoon.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 54. West wind 5 to 10 mph becoming light and variable after midnight.
Clear
 Tuesday

Tuesday: Sunny, with a high near 79. North northeast wind 5 to 10 mph becoming southwest in the morning.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 51.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 76.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 50.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 80.
Sunny
Hi 83 °F Lo 50 °F Hi 85 °F Lo 54 °F Hi 79 °F Lo 51 °F Hi 76 °F Lo 50 °F Hi 80 °F

 

Today
 
 Sunny, with a high near 83. North wind around 10 mph.
Tonight
 
 Clear, with a low around 50. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
 
 Sunny, with a high near 85. North wind 5 to 10 mph becoming west northwest in the afternoon.
Monday Night
 
 Clear, with a low around 54. West wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
 
 Sunny, with a high near 79. North northeast wind 5 to 10 mph becoming southwest in the morning.
Tuesday Night
 
 Mostly clear, with a low around 51.
Wednesday
 
 Sunny, with a high near 76.
Wednesday Night
 
 Mostly clear, with a low around 50.
Thursday
 
 Sunny, with a high near 80.
Thursday Night
 
 Mostly clear, with a low around 52.
Friday
 
 Sunny, with a high near 88.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Atascadero CA.