Cool and dry for much of the Central Plains and Rockies. Showers over the Great Lakes and Ohio Valley.

Unsettled weather conditions are likely across portions of the Great Lakes and Ohio Valley, with scattered to numerous showers. Expect cool and mostly dry conditions across much of the central U.S. and extending westward towards the Rocky Mountains. A few showers will be possible over the Pacific Northwest. Showers will also be possible over mountainous areas of Arizona and New Mexico. Read More >

Current conditions at

Santa Ana, John Wayne Airport-Orange County Airport (KSNA)

Lat: 33.68°NLon: 117.86639°WElev: 52ft.

Partly Cloudy

87°F

31°C

Humidity 32%
Wind Speed SSW 10 MPH
Barometer 29.82 in (1009.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 27 Sep 1:53 pm PDT
Extended Forecast for

Costa Mesa CA

Heat Advisory until September 27, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 27, 06:00pm

    NOW until
    6:00pm Tue

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 89. Southwest wind around 10 mph.

    Partly Sunny

    High: 89 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph becoming southeast after midnight.

    Mostly Cloudy

    Low: 67 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    Mostly Sunny

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 65. South wind 5 to 10 mph.

    Partly Cloudy

    Low: 65 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    Mostly Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Friday

    Friday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 62.

    Patchy Fog

    Low: 62 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. Southwest wind around 10 mph.
Tonight
Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph becoming southeast after midnight.
Wednesday
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 77.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 74.
Saturday Night
Increasing clouds, with a low around 61.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 72.
Sunday Night
Increasing clouds, with a low around 61.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 73.
Click Map For Forecast
Point Forecast:
Costa Mesa CA
 33.64°N 117.91°W (Elev. 13 ft)
12:35 pm PDT Sep 27, 2016
2pm PDT Sep 27, 2016-6pm PDT Oct 3, 2016
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database