National Weather Service Forecast for: Los Osos CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 4:31 pm PST Feb 1, 2026
 
Overnight

Overnight: Mostly clear, with a low around 48. North northwest wind around 5 mph.
Mostly Clear
 Monday

Monday: Sunny, with a high near 73. North wind 5 to 10 mph.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 47. Northeast wind around 5 mph.
Clear
 Tuesday

Tuesday: Sunny, with a high near 75. Northeast wind around 5 mph becoming north northwest in the afternoon.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 49. Northeast wind 5 to 10 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 79.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 78.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 54.
Partly Cloudy
Lo 48 °F Hi 73 °F Lo 47 °F Hi 75 °F Lo 49 °F Hi 79 °F Lo 51 °F Hi 78 °F Lo 54 °F

High Surf Advisory
 

Overnight
 
 Mostly clear, with a low around 48. North northwest wind around 5 mph.
Monday
 
 Sunny, with a high near 73. North wind 5 to 10 mph.
Monday Night
 
 Clear, with a low around 47. Northeast wind around 5 mph.
Tuesday
 
 Sunny, with a high near 75. Northeast wind around 5 mph becoming north northwest in the afternoon.
Tuesday Night
 
 Clear, with a low around 49. Northeast wind 5 to 10 mph.
Wednesday
 
 Sunny, with a high near 79.
Wednesday Night
 
 Mostly clear, with a low around 51.
Thursday
 
 Mostly sunny, with a high near 78.
Thursday Night
 
 Partly cloudy, with a low around 54.
Friday
 
 Mostly sunny, with a high near 69.
Friday Night
 
 Partly cloudy, with a low around 51.
Saturday
 
 Sunny, with a high near 70.
Saturday Night
 
 Mostly clear, with a low around 52.
Sunday
 
 Sunny, with a high near 71.

 

Forecast from NOAA-NWS for Los Osos CA.