National Weather Service Forecast for: Atascadero CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 1:36 am PST Dec 5, 2025
 
Overnight

Overnight: Patchy dense fog.  Otherwise, cloudy, with a low around 33. North wind around 5 mph.
Patchy Dense
Fog
Friday

Friday: Patchy dense fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 62. Wind chill values as low as 25 early. North northeast wind 5 to 10 mph.
Patchy Dense
Fog then
Sunny
Friday
Night
Friday Night: Clear, with a low around 37. Northeast wind 5 to 10 mph.
Clear

Saturday

Saturday: Sunny, with a high near 64. Northeast wind 5 to 10 mph.
Sunny

Saturday
Night
Saturday Night: Mostly clear, with a low around 42. East northeast wind around 10 mph, with gusts as high as 15 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 65.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 41.
Mostly Clear

Monday

Monday: Sunny, with a high near 67.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 43.
Mostly Clear

Lo 33 °F Hi 62 °F Lo 37 °F Hi 64 °F Lo 42 °F Hi 65 °F Lo 41 °F Hi 67 °F Lo 43 °F

Freeze Warning
 

Overnight
 
Patchy dense fog. Otherwise, cloudy, with a low around 33. North wind around 5 mph.
Friday
 
Patchy dense fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 62. Wind chill values as low as 25 early. North northeast wind 5 to 10 mph.
Friday Night
 
Clear, with a low around 37. Northeast wind 5 to 10 mph.
Saturday
 
Sunny, with a high near 64. Northeast wind 5 to 10 mph.
Saturday Night
 
Mostly clear, with a low around 42. East northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday
 
Sunny, with a high near 65.
Sunday Night
 
Mostly clear, with a low around 41.
Monday
 
Sunny, with a high near 67.
Monday Night
 
Mostly clear, with a low around 43.
Tuesday
 
Sunny, with a high near 70.
Tuesday Night
 
Mostly clear, with a low around 46.
Wednesday
 
Sunny, with a high near 71.
Wednesday Night
 
Mostly clear, with a low around 46.
Thursday
 
Sunny, with a high near 73.

 

Forecast from NOAA-NWS for Atascadero CA.