National Weather Service Forecast for: Oceanside CA
Issued by: National Weather Service San Diego, CA
Updated: 1:29 pm PST Dec 16, 2025
 
Tonight

Tonight: Patchy fog.  Otherwise, mostly cloudy, with a low around 51. Calm wind.
Patchy Fog

Wednesday

Wednesday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
Wednesday
Night
Wednesday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.
Patchy Fog

Thursday

Thursday: Patchy fog.  Otherwise, mostly sunny, with a high near 76. Calm wind becoming west around 5 mph.
Patchy Fog

Thursday
Night
Thursday Night: Mostly clear, with a low around 53. Calm wind.
Mostly Clear

Friday

Friday: Sunny, with a high near 74.
Sunny

Friday
Night
Friday Night: Mostly cloudy, with a low around 51.
Mostly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 70.
Mostly Sunny

Saturday
Night
Saturday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 52.
Patchy Fog

Lo 51 °F Hi 70 °F Lo 51 °F Hi 76 °F Lo 53 °F Hi 74 °F Lo 51 °F Hi 70 °F Lo 52 °F

Dense Fog Advisory
 

Tonight
 
Patchy fog. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Wednesday
 
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
 
Patchy fog. Otherwise, partly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.
Thursday
 
Patchy fog. Otherwise, mostly sunny, with a high near 76. Calm wind becoming west around 5 mph.
Thursday Night
 
Mostly clear, with a low around 53. Calm wind.
Friday
 
Sunny, with a high near 74.
Friday Night
 
Mostly cloudy, with a low around 51.
Saturday
 
Mostly sunny, with a high near 70.
Saturday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Sunday
 
Patchy fog after 4pm. Otherwise, mostly sunny, with a high near 70.
Sunday Night
 
Patchy fog. Otherwise, partly cloudy, with a low around 52.
Monday
 
Patchy fog. Otherwise, partly sunny, with a high near 71.
Monday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Tuesday
 
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69.

 

Forecast from NOAA-NWS for Oceanside CA.