National Weather Service Forecast for: Costa Mesa CA
Issued by: National Weather Service San Diego, CA
Updated: 12:54 pm PST Jan 14, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 69. Northeast wind around 15 mph, with gusts as high as 25 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 46. Northeast wind around 5 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 45. East wind 5 to 10 mph.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunny

Thursday
Night
Thursday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 45.
Patchy Fog

Friday

Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 61.
Patchy Fog
then Mostly
Sunny
Friday
Night
Friday Night: Mostly cloudy, with a low around 45.
Mostly Cloudy

Saturday

Saturday: Partly sunny, with a high near 58.
Partly Sunny

Hi 69 °F Lo 46 °F Hi 71 °F Lo 45 °F Hi 66 °F Lo 45 °F Hi 61 °F Lo 45 °F Hi 58 °F

Air Quality Alert
 

This Afternoon
 
Sunny, with a high near 69. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
 
Mostly clear, with a low around 46. Northeast wind around 5 mph.
Wednesday
 
Sunny, with a high near 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 45. East wind 5 to 10 mph.
Thursday
 
Sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
 
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 45.
Friday
 
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61.
Friday Night
 
Mostly cloudy, with a low around 45.
Saturday
 
Partly sunny, with a high near 58.
Saturday Night
 
Partly cloudy, with a low around 43.
Sunday
 
Mostly sunny, with a high near 59.
Sunday Night
 
Mostly clear, with a low around 40.
M.L.King Day
 
Sunny, with a high near 62.

 

Forecast from NOAA-NWS for Costa Mesa CA.