National Weather Service Forecast for: Atascadero CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 10:26 pm PST Nov 1, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 46. Northeast wind around 10 mph.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Mostly Sunny
 Monday
Night
Monday Night: Mostly cloudy, with a low around 48. Southwest wind around 5 mph becoming east southeast in the evening.
Mostly Cloudy
 Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Northwest wind 5 to 10 mph.
Decreasing
Clouds
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 45. North wind around 5 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 68.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 45.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 71.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 45.
Mostly Clear
Lo 46 °F Hi 68 °F Lo 48 °F Hi 65 °F Lo 45 °F Hi 68 °F Lo 45 °F Hi 71 °F Lo 45 °F

 

Overnight
 
 Partly cloudy, with a low around 46. Northeast wind around 10 mph.
Monday
 
 Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Monday Night
 
 Mostly cloudy, with a low around 48. Southwest wind around 5 mph becoming east southeast in the evening.
Tuesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 65. Northwest wind 5 to 10 mph.
Tuesday Night
 
 Mostly clear, with a low around 45. North wind around 5 mph.
Wednesday
 
 Sunny, with a high near 68.
Wednesday Night
 
 Mostly clear, with a low around 45.
Thursday
 
 Mostly sunny, with a high near 71.
Thursday Night
 
 Mostly clear, with a low around 45.
Friday
 
 Sunny, with a high near 73.
Friday Night
 
 Mostly clear, with a low around 47.
Saturday
 
 Sunny, with a high near 77.
Saturday Night
 
 Mostly clear, with a low around 49.
Sunday
 
 Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Atascadero CA.