National Weather Service Forecast for: Oceanside CA
Issued by: National Weather Service San Diego, CA
Updated: 12:29 am PDT Jun 22, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 62. Northwest wind around 5 mph.
Mostly Cloudy
Monday

Monday: Partly sunny, with a high near 69. North wind 5 to 10 mph becoming west in the afternoon.
Partly Sunny
Monday
Night
Monday Night: Mostly cloudy, with a low around 63. West wind 5 to 10 mph becoming light and variable  in the evening.
Mostly Cloudy
Tuesday

Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 71. Light northwest wind becoming west 5 to 10 mph in the morning.
Decreasing
Clouds
Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 65. West wind around 5 mph.
Mostly Cloudy
Wednesday

Wednesday: Partly sunny, with a high near 72.
Partly Sunny
Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 65.
Mostly Cloudy
Thursday

Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 72.
Decreasing
Clouds
Thursday
Night
Thursday Night: Increasing clouds, with a low around 64.
Increasing
Clouds
Lo 62 °F Hi 69 °F Lo 63 °F Hi 71 °F Lo 65 °F Hi 72 °F Lo 65 °F Hi 72 °F Lo 64 °F

 

Overnight
 
Mostly cloudy, with a low around 62. Northwest wind around 5 mph.
Monday
 
Partly sunny, with a high near 69. North wind 5 to 10 mph becoming west in the afternoon.
Monday Night
 
Mostly cloudy, with a low around 63. West wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
 
Cloudy, then gradually becoming mostly sunny, with a high near 71. Light northwest wind becoming west 5 to 10 mph in the morning.
Tuesday Night
 
Mostly cloudy, with a low around 65. West wind around 5 mph.
Wednesday
 
Partly sunny, with a high near 72.
Wednesday Night
 
Mostly cloudy, with a low around 65.
Thursday
 
Mostly cloudy, then gradually becoming sunny, with a high near 72.
Thursday Night
 
Increasing clouds, with a low around 64.
Friday
 
Mostly sunny, with a high near 72.
Friday Night
 
Partly cloudy, with a low around 63.
Saturday
 
Partly sunny, with a high near 71.
Saturday Night
 
Increasing clouds, with a low around 64.
Sunday
 
Cloudy, then gradually becoming mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Oceanside CA.