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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 33.65°N 117.89°W (Text-Only)
NWS Forecast for: Costa Mesa CA
Issued by: National Weather Service San Diego, CA
Last Update: 8:38 pm PDT Jun 29, 2026		Print

  • Tonight

    Tonight: Patchy drizzle after 2am. Mostly cloudy, with a low around 62. South wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy
    then Patchy
    Drizzle

  • Tuesday

    Tuesday: Patchy drizzle before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 72 °F

    Patchy
    Drizzle then
    Mostly Sunny

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    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 morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Gradual
    Clearing

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 59. Southwest wind 5 to 10 mph becoming light after midnight.

    Low: 59 °F

    Partly Cloudy


  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny


  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy


  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny


  • Friday
    Night

    Friday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

    • Tonight: Patchy drizzle after 2am. Mostly cloudy, with a low around 62. South wind around 5 mph becoming calm in the evening.

    Tuesday: Patchy drizzle before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    Tuesday Night: Increasing clouds, with a low around 61. Southwest 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 morning. Winds could gust as high as 20 mph.

    Wednesday Night: Partly cloudy, with a low around 59. Southwest wind 5 to 10 mph becoming light after midnight.

    Thursday: Mostly sunny, with a high near 73.

    Thursday Night: Partly cloudy, with a low around 61.

    Friday: Mostly sunny, with a high near 74.

    Friday Night: Increasing clouds, with a low around 62.

    Independence Day: Partly sunny, with a high near 75.

    Saturday Night: Partly cloudy, with a low around 62.

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    Sunday Night: Increasing clouds, with a low around 63.

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 75.


    Costa Mesa CA
     33.65°N 117.89°W (Elev. 3 ft)

    Visit your local NWS office at: https://www.weather.gov/sgx