National Weather Service Forecast for: Atascadero CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 5:57 am PST Dec 22, 2025
 
Today

Today: Mostly cloudy, with a high near 61. Southeast wind around 5 mph becoming west in the morning.
Mostly Cloudy

 Tonight

Tonight: A 20 percent chance of showers. Cloudy, with a low around 48. Calm wind becoming southeast around 5 mph in the evening.
Slight Chance
Showers
 Tuesday

Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 59. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Showers and
Breezy
 Tuesday
Night
Tuesday Night: Showers. Low around 52. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Showers and
Windy
 Wednesday

Wednesday: Showers. High near 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Showers and
Breezy
 Wednesday
Night
Wednesday Night: Showers. Low around 48. Breezy. Chance of precipitation is 100%.
Showers and
Breezy
 Christmas
Day
Christmas Day: Showers. High near 55. Breezy. Chance of precipitation is 100%.
Showers and
Breezy
 Thursday
Night
Thursday Night: Showers. Cloudy, with a low around 44.
Showers

 Friday

Friday: Showers. Mostly cloudy, with a high near 56.
Showers
Hi 61 °F Lo 48 °F Hi 59 °F Lo 52 °F Hi 57 °F Lo 48 °F Hi 55 °F Lo 44 °F Hi 56 °F

Flood Watch
High Wind Watch
 

Today
 
 Mostly cloudy, with a high near 61. Southeast wind around 5 mph becoming west in the morning.
Tonight
 
 A 20 percent chance of showers. Cloudy, with a low around 48. Calm wind becoming southeast around 5 mph in the evening.
Tuesday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 59. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Showers. Low around 52. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
 
 Showers. High near 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Showers. Low around 48. Breezy. Chance of precipitation is 100%.
Christmas Day
 
 Showers. High near 55. Breezy. Chance of precipitation is 100%.
Thursday Night
 
 Showers. Cloudy, with a low around 44.
Friday
 
 Showers. Mostly cloudy, with a high near 56.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 38.
Saturday
 
 A chance of showers. Mostly sunny, with a high near 54.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 36.
Sunday
 
 Sunny, with a high near 56.

 

Forecast from NOAA-NWS for Atascadero CA.