HTTP/1.1 200 OK Server: Apache X-Content-Type-Options: nosniff X-XSS-Protection: 1; mode=block Content-Security-Policy: default-src 'none'; style-src 'self' code.jquery.com *.arcgis.com cdn.jsdelivr.net 'unsafe-inline'; script-src-elem 'self' https://*.weather.gov cdn.gov.cfigroup.com *.digitalgov.gov *.google-analytics.com *.arcgis.com code.jquery.com www.googletagmanager.com s.go-mpulse.net 'unsafe-inline'; img-src 'self' data: *.ncep.noaa.gov *.noaa.gov *.weather.gov *.arcgisonline.com *.arcgis.com maps.google.com; connect-src 'self' *.google-analytics.com *.arcgis.com opengeo.ncep.noaa.gov *.weather.gov; font-src 'self' cdn.jsdelivr.net; script-src 'unsafe-eval' 'unsafe-inline' Referrer-Policy: strict-origin-when-cross-origin Strict-Transport-Security: max-age=31536000; includeSubdomains; preload; Access-Control-Allow-Origin: * Content-Type: text/html; charset=UTF-8 Cache-Control: max-age=900 Expires: Fri, 05 Dec 2025 08:13:26 GMT Date: Fri, 05 Dec 2025 07:58:26 GMT Transfer-Encoding: chunked Connection: keep-alive Connection: Transfer-Encoding National Weather Service
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: 7:55 pm PST Dec 4, 2025		Print

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northeast wind around 5 mph.

    Low: 49 °F

    Mostly Clear


  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    High: 68 °F

    Sunny


  • Friday
    Night

    Friday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear


  • Saturday

    Saturday: Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 68 °F

    Sunny


  • Saturday
    Night

    Saturday Night: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear


  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny


  • Monday
    Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear




    • Tonight: Mostly clear, with a low around 49. Northeast wind around 5 mph.

    Friday: Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    Friday Night: Mostly clear, with a low around 50. Calm wind.

    Saturday: Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    Saturday Night: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 50. Calm wind.

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71.

    Sunday Night: Mostly clear, with a low around 53.

    Monday: Sunny, with a high near 74.

    Monday Night: Mostly clear, with a low around 56.

    Tuesday: Sunny, with a high near 76.

    Tuesday Night: Mostly clear, with a low around 56.

    Wednesday: Sunny, with a high near 75.

    Wednesday Night: Mostly clear, with a low around 55.

    Thursday: Sunny, with a high near 74.


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

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