National Weather Service Forecast for: Atascadero CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 3:42 pm PDT Jul 12, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 86. Southwest wind around 10 mph, with gusts as high as 15 mph.
Partly Sunny
 Tonight

Tonight: Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Mostly Cloudy
 Monday

Monday: Mostly cloudy, then gradually becoming sunny, with a high near 90. Light west northwest wind becoming west southwest 5 to 10 mph in the afternoon.
Decreasing
Clouds
 Monday
Night
Monday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Mostly Clear
 Tuesday

Tuesday: Mostly sunny, with a high near 95. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 64.
Clear
 Wednesday

Wednesday: Sunny and hot, with a high near 102.
Hot
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 61.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 94.
Sunny
Hi 86 °F Lo 63 °F Hi 90 °F Lo 62 °F Hi 95 °F Lo 64 °F Hi 102 °F Lo 61 °F Hi 94 °F

Heat Advisory
Extreme Heat Watch
 

This Afternoon
 
 Partly sunny, with a high near 86. Southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
 
 Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 90. Light west northwest wind becoming west southwest 5 to 10 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Mostly sunny, with a high near 95. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
 
 Clear, with a low around 64.
Wednesday
 
 Sunny and hot, with a high near 102.
Wednesday Night
 
 Mostly clear, with a low around 61.
Thursday
 
 Sunny, with a high near 94.
Thursday Night
 
 Mostly clear, with a low around 58.
Friday
 
 Sunny, with a high near 84.
Friday Night
 
 Partly cloudy, with a low around 57.
Saturday
 
 Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Atascadero CA.