National Weather Service Forecast for: San Luis Obispo CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 7:31 am PDT May 4, 2026
 
Today

Today: Mostly sunny, with a high near 67. Light west wind becoming west northwest 10 to 15 mph in the afternoon.
Mostly Sunny
 Tonight

Tonight: Partly cloudy, with a low around 48. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Partly Cloudy
 Tuesday

Tuesday: Mostly sunny, with a high near 67. Light northwest wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 50. West northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 75. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 78.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear
 Friday

Friday: Sunny, with a high near 81.
Sunny
Hi 67 °F Lo 48 °F Hi 67 °F Lo 50 °F Hi 75 °F Lo 54 °F Hi 78 °F Lo 55 °F Hi 81 °F

 

Today
 
 Mostly sunny, with a high near 67. Light west wind becoming west northwest 10 to 15 mph in the afternoon.
Tonight
 
 Partly cloudy, with a low around 48. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Tuesday
 
 Mostly sunny, with a high near 67. Light northwest wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
 
 Mostly clear, with a low around 50. West northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
 
 Sunny, with a high near 75. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
 
 Mostly clear, with a low around 54.
Thursday
 
 Sunny, with a high near 78.
Thursday Night
 
 Mostly clear, with a low around 55.
Friday
 
 Sunny, with a high near 81.
Friday Night
 
 Mostly clear, with a low around 57.
Saturday
 
 Sunny, with a high near 85.
Saturday Night
 
 Mostly clear, with a low around 60.
Sunday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for San Luis Obispo CA.