National Weather Service Forecast for: Oceanside CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 69. West wind around 5 mph.
Mostly Cloudy

Monday

Monday: Mostly cloudy, with a high near 74. Light west wind increasing to 5 to 10 mph in the morning.
Mostly Cloudy

Monday
Night
Monday Night: Mostly cloudy, with a low around 70. West wind around 5 mph.
Mostly Cloudy

Tuesday

Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 75. Light west wind increasing to 5 to 10 mph in the morning.
Decreasing
Clouds
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 71. West wind 5 to 10 mph.
Partly Cloudy

Wednesday

Wednesday: Mostly sunny, with a high near 78.
Mostly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 73.
Partly Cloudy

Thursday

Thursday: A slight chance of showers after 11am.  Mostly sunny, with a high near 77.
Slight Chance
Showers
Thursday
Night
Thursday Night: A slight chance of showers before 11pm.  Mostly cloudy, with a low around 71.
Slight Chance
Showers then
Mostly Cloudy
Lo 69 °F Hi 74 °F Lo 70 °F Hi 75 °F Lo 71 °F Hi 78 °F Lo 73 °F Hi 77 °F Lo 71 °F

Beach Hazards Statement
Extreme Heat Watch
 

Tonight
 
Mostly cloudy, with a low around 69. West wind around 5 mph.
Monday
 
Mostly cloudy, with a high near 74. Light west wind increasing to 5 to 10 mph in the morning.
Monday Night
 
Mostly cloudy, with a low around 70. West wind around 5 mph.
Tuesday
 
Cloudy, then gradually becoming mostly sunny, with a high near 75. Light west wind increasing to 5 to 10 mph in the morning.
Tuesday Night
 
Partly cloudy, with a low around 71. West wind 5 to 10 mph.
Wednesday
 
Mostly sunny, with a high near 78.
Wednesday Night
 
Partly cloudy, with a low around 73.
Thursday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 77.
Thursday Night
 
A slight chance of showers before 11pm. Mostly cloudy, with a low around 71.
Friday
 
A slight chance of showers after 11am. Partly sunny, with a high near 75.
Friday Night
 
A slight chance of showers. Mostly cloudy, with a low around 71.
Saturday
 
A slight chance of showers. Partly sunny, with a high near 76.
Saturday Night
 
Partly cloudy, with a low around 70.
Sunday
 
Mostly sunny, with a high near 75.

 

Forecast from NOAA-NWS for Oceanside CA.