National Weather Service Forecast for: Atascadero CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 11:27 pm PDT Apr 6, 2026
 
Overnight

Overnight: Clear, with a low around 44. North wind around 5 mph.
Clear
Tuesday

Tuesday: Sunny, with a high near 76. West northwest wind 5 to 10 mph.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 46. West northwest wind 5 to 10 mph becoming north after midnight.
Clear
Wednesday

Wednesday: Sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 50. West wind 5 to 10 mph becoming light west northwest  in the evening.
Partly Cloudy
Thursday

Thursday: Partly sunny, with a high near 70.
Partly Sunny
Thursday
Night
Thursday Night: Mostly cloudy, with a low around 50.
Mostly Cloudy
Friday

Friday: A chance of rain, with thunderstorms also possible after 11am.  Partly sunny, with a high near 67.
Chance Rain
Friday
Night
Friday Night: A chance of rain.  Mostly cloudy, with a low around 48.
Chance Rain
Lo 44 °F Hi 76 °F Lo 46 °F Hi 77 °F Lo 50 °F Hi 70 °F Lo 50 °F Hi 67 °F Lo 48 °F

 

Overnight
 
Clear, with a low around 44. North wind around 5 mph.
Tuesday
 
Sunny, with a high near 76. West northwest wind 5 to 10 mph.
Tuesday Night
 
Clear, with a low around 46. West northwest wind 5 to 10 mph becoming north after midnight.
Wednesday
 
Sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 50. West wind 5 to 10 mph becoming light west northwest in the evening.
Thursday
 
Partly sunny, with a high near 70.
Thursday Night
 
Mostly cloudy, with a low around 50.
Friday
 
A chance of rain, with thunderstorms also possible after 11am. Partly sunny, with a high near 67.
Friday Night
 
A chance of rain. Mostly cloudy, with a low around 48.
Saturday
 
A chance of rain. Mostly cloudy, with a high near 63.
Saturday Night
 
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
 
A chance of rain. Partly sunny, with a high near 62.
Sunday Night
 
Partly cloudy, with a low around 41.
Monday
 
Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Atascadero CA.