National Weather Service Forecast for: Oceanside CA
Issued by: National Weather Service San Diego, CA
Updated: 8:40 pm PST Dec 22, 2025
 
Tonight

Tonight: Patchy fog before 1am.  Otherwise, cloudy, with a low around 54. Calm wind becoming southeast around 5 mph.
Patchy Fog

Tuesday

Tuesday: Showers likely, mainly after 4pm.  Cloudy, with a high near 66. South wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Showers then
Showers
Likely
Tuesday
Night
Tuesday Night: Showers.  Low around 56. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Showers

Wednesday

Wednesday: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall.  High near 66. South wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Heavy Rain

Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 57. South wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain

Christmas
Day
Christmas Day: Showers.  High near 65. Chance of precipitation is 80%.
Showers

Thursday
Night
Thursday Night: Showers.  Low around 52. Chance of precipitation is 80%.
Showers

Friday

Friday: Showers.  Mostly cloudy, with a high near 62.
Showers

Friday
Night
Friday Night: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 47.
Showers
Likely

Lo 54 °F Hi 66 °F Lo 56 °F Hi 66 °F Lo 57 °F Hi 65 °F Lo 52 °F Hi 62 °F Lo 47 °F

Flood Watch
Wind Advisory
 

Tonight
 
Patchy fog before 1am. Otherwise, cloudy, with a low around 54. Calm wind becoming southeast around 5 mph.
Tuesday
 
Showers likely, mainly after 4pm. Cloudy, with a high near 66. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
Showers. Low around 56. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 66. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Wednesday Night
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 57. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Christmas Day
 
Showers. High near 65. Chance of precipitation is 80%.
Thursday Night
 
Showers. Low around 52. Chance of precipitation is 80%.
Friday
 
Showers. Mostly cloudy, with a high near 62.
Friday Night
 
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 47.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 61.
Saturday Night
 
A slight chance of showers. Partly cloudy, with a low around 45.
Sunday
 
Sunny, with a high near 64.
Sunday Night
 
Partly cloudy, with a low around 46.
Monday
 
A slight chance of showers. Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Oceanside CA.