National Weather Service Forecast for: Los Osos CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 10:01 pm PST Dec 17, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 55. North wind around 10 mph.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 71. North wind 10 to 15 mph.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 50. North wind 5 to 10 mph.
Mostly Clear
Friday

Friday: Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny
Friday
Night
Friday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 52. North wind around 5 mph.
Patchy Fog
Saturday

Saturday: Patchy fog before 10am.  Otherwise, cloudy, with a high near 67.
Patchy Fog
then Cloudy
Saturday
Night
Saturday Night: A 20 percent chance of showers.  Cloudy, with a low around 56.
Slight Chance
Showers
Sunday

Sunday: A chance of showers.  Cloudy, with a high near 63.
Chance
Showers
Sunday
Night
Sunday Night: A chance of showers.  Cloudy, with a low around 55.
Chance
Showers
Lo 55 °F Hi 71 °F Lo 50 °F Hi 66 °F Lo 52 °F Hi 67 °F Lo 56 °F Hi 63 °F Lo 55 °F

 

Tonight
 
Partly cloudy, with a low around 55. North wind around 10 mph.
Thursday
 
Sunny, with a high near 71. North wind 10 to 15 mph.
Thursday Night
 
Mostly clear, with a low around 50. North wind 5 to 10 mph.
Friday
 
Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. North wind around 5 mph.
Saturday
 
Patchy fog before 10am. Otherwise, cloudy, with a high near 67.
Saturday Night
 
A 20 percent chance of showers. Cloudy, with a low around 56.
Sunday
 
A chance of showers. Cloudy, with a high near 63.
Sunday Night
 
A chance of showers. Cloudy, with a low around 55.
Monday
 
A chance of showers. Cloudy, with a high near 63.
Monday Night
 
A chance of showers. Cloudy, with a low around 54.
Tuesday
 
Showers likely. Cloudy, with a high near 63.
Tuesday Night
 
Showers. Cloudy, with a low around 55.
Wednesday
 
Showers. Cloudy, with a high near 61.

 

Forecast from NOAA-NWS for Los Osos CA.