National Weather Service Forecast for: Oceanside CA
Issued by: National Weather Service San Diego, CA
Updated: 2:23 am PDT Jun 30, 2026
 
Overnight

Overnight: Patchy drizzle. Cloudy, with a low around 63. Calm wind becoming southeast around 5 mph.
Patchy
Drizzle
 Tuesday

Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Decreasing
Clouds
 Tuesday
Night
Tuesday Night: Increasing clouds, with a low around 60. West wind around 5 mph becoming calm in the evening.
Increasing
Clouds
 Wednesday

Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 72. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Gradual
Clearing
 Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 59. West wind around 5 mph becoming calm in the evening.
Increasing
Clouds
 Thursday

Thursday: Cloudy through mid morning, then gradual clearing, with a high near 73.
Gradual
Clearing
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 61.
Mostly Cloudy
 Friday

Friday: Mostly cloudy, then gradually becoming sunny, with a high near 74.
Decreasing
Clouds
 Friday
Night
Friday Night: Increasing clouds, with a low around 61.
Increasing
Clouds
Lo 63 °F Hi 71 °F Lo 60 °F Hi 72 °F Lo 59 °F Hi 73 °F Lo 61 °F Hi 74 °F Lo 61 °F

 

Overnight
 
 Patchy drizzle. Cloudy, with a low around 63. Calm wind becoming southeast around 5 mph.
Tuesday
 
 Cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
 Increasing clouds, with a low around 60. West wind around 5 mph becoming calm in the evening.
Wednesday
 
 Cloudy through mid morning, then gradual clearing, with a high near 72. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Increasing clouds, with a low around 59. West wind around 5 mph becoming calm in the evening.
Thursday
 
 Cloudy through mid morning, then gradual clearing, with a high near 73.
Thursday Night
 
 Mostly cloudy, with a low around 61.
Friday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 74.
Friday Night
 
 Increasing clouds, with a low around 61.
Independence Day
 
 Mostly cloudy, then gradually becoming sunny, with a high near 74.
Saturday Night
 
 Increasing clouds, with a low around 63.
Sunday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 74.
Sunday Night
 
 Increasing clouds, with a low around 64.
Monday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 74.

 

Forecast from NOAA-NWS for Oceanside CA.