National Weather Service Forecast for: Los Osos CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 1:21 pm PST Dec 22, 2025
 
This
Afternoon
This Afternoon: Mostly cloudy, with a high near 62. West wind around 5 mph.
Mostly Cloudy
 Tonight

Tonight: A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 53. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
 Tuesday

Tuesday: Rain likely, mainly after 10am. Cloudy, with a high near 64. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely
and Windy
 Tuesday
Night
Tuesday Night: Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 56. Windy, with a south wind 30 to 35 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers and
Windy
 Wednesday

Wednesday: Showers. High near 61. Breezy, with a south wind around 25 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Showers and
Breezy
 Wednesday
Night
Wednesday Night: Showers. Low around 55. Breezy. Chance of precipitation is 100%.
Showers and
Breezy
 Christmas
Day
Christmas Day: Showers. High near 59. Breezy. Chance of precipitation is 100%.
Showers and
Breezy
 Thursday
Night
Thursday Night: Showers. Cloudy, with a low around 51.
Showers
 Friday

Friday: Showers. Cloudy, with a high near 56.
Showers
Hi 62 °F Lo 53 °F Hi 64 °F Lo 56 °F Hi 61 °F Lo 55 °F Hi 59 °F Lo 51 °F Hi 56 °F

Flood Watch
High Wind Watch
High Surf Advisory
 

This Afternoon
 
 Mostly cloudy, with a high near 62. West wind around 5 mph.
Tonight
 
 A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 53. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Rain likely, mainly after 10am. Cloudy, with a high near 64. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 56. Windy, with a south wind 30 to 35 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
 
 Showers. High near 61. Breezy, with a south wind around 25 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
 
 Showers. Low around 55. Breezy. Chance of precipitation is 100%.
Christmas Day
 
 Showers. High near 59. Breezy. Chance of precipitation is 100%.
Thursday Night
 
 Showers. Cloudy, with a low around 51.
Friday
 
 Showers. Cloudy, with a high near 56.
Friday Night
 
 Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Saturday
 
 A chance of showers. Mostly sunny, with a high near 59.
Saturday Night
 
 Mostly clear, with a low around 45.
Sunday
 
 Sunny, with a high near 61.

 

Forecast from NOAA-NWS for Los Osos CA.