National Weather Service Forecast for: San Luis Obispo CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 6:41 pm PST Dec 17, 2025
 
Tonight

Tonight: Mostly clear, with a low around 55. North northeast wind around 10 mph.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 50. North northeast wind 5 to 10 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 70. North northeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Sunny
 Friday
Night
Friday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. North northeast wind around 5 mph.
Patchy Fog
 Saturday

Saturday: Patchy fog before 10am. Otherwise, cloudy, with a high near 71.
Patchy Fog
then Cloudy
 Saturday
Night
Saturday Night: A 20 percent chance of showers after 10pm. Cloudy, with a low around 56.
Slight Chance
Showers
 Sunday

Sunday: A chance of showers. Cloudy, with a high near 65.
Chance
Showers
 Sunday
Night
Sunday Night: A chance of showers. Cloudy, with a low around 55.
Chance
Showers
Lo 55 °F Hi 75 °F Lo 50 °F Hi 70 °F Lo 52 °F Hi 71 °F Lo 56 °F Hi 65 °F Lo 55 °F

 

Tonight
 
 Mostly clear, with a low around 55. North northeast wind around 10 mph.
Thursday
 
 Sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
 
 Mostly clear, with a low around 50. North northeast wind 5 to 10 mph.
Friday
 
 Sunny, with a high near 70. North northeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
 
 Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. North northeast wind around 5 mph.
Saturday
 
 Patchy fog before 10am. Otherwise, cloudy, with a high near 71.
Saturday Night
 
 A 20 percent chance of showers after 10pm. Cloudy, with a low around 56.
Sunday
 
 A chance of showers. Cloudy, with a high near 65.
Sunday Night
 
 A chance of showers. Cloudy, with a low around 55.
Monday
 
 A chance of showers. Cloudy, with a high near 65.
Monday Night
 
 A chance of showers. Cloudy, with a low around 53.
Tuesday
 
 Showers likely. Cloudy, with a high near 64.
Tuesday Night
 
 Showers. Cloudy, with a low around 55.
Wednesday
 
 Showers. Cloudy, with a high near 63.

 

Forecast from NOAA-NWS for San Luis Obispo CA.