National Weather Service Forecast for: San Luis Obispo CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 11:26 am PDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 91. West northwest wind 5 to 10 mph.
Sunny
Tonight

Tonight: Partly cloudy, with a low around 57. Calm wind becoming north around 5 mph after midnight.
Partly Cloudy
Wednesday

Wednesday: Sunny and hot, with a high near 97. North northeast wind 5 to 10 mph becoming west northwest in the afternoon.
Hot
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56. West northwest wind 5 to 10 mph becoming north northeast in the evening.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 92. Northeast wind around 5 mph becoming west in the afternoon.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 53.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 78.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 56.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 71.
Mostly Sunny
Hi 91 °F Lo 57 °F Hi 97 °F Lo 56 °F Hi 92 °F Lo 53 °F Hi 78 °F Lo 56 °F Hi 71 °F

Heat Advisory
 

This Afternoon
 
Sunny, with a high near 91. West northwest wind 5 to 10 mph.
Tonight
 
Partly cloudy, with a low around 57. Calm wind becoming north around 5 mph after midnight.
Wednesday
 
Sunny and hot, with a high near 97. North northeast wind 5 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 56. West northwest wind 5 to 10 mph becoming north northeast in the evening.
Thursday
 
Sunny, with a high near 92. Northeast wind around 5 mph becoming west in the afternoon.
Thursday Night
 
Partly cloudy, with a low around 53.
Friday
 
Mostly sunny, with a high near 78.
Friday Night
 
Partly cloudy, with a low around 56.
Saturday
 
Mostly sunny, with a high near 71.
Saturday Night
 
Partly cloudy, with a low around 51.
Sunday
 
Mostly sunny, with a high near 68.
Sunday Night
 
Partly cloudy, with a low around 50.
Columbus Day
 
A slight chance of showers. Mostly sunny, with a high near 69.

 

Forecast from NOAA-NWS for San Luis Obispo CA.