National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

John Wayne-Orange County Airport (KSNA)

Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.

Clear

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 28 Dec 05:20 AM PST
Extended Forecast for

3 Miles SE Costa Mesa CA

  • Today

    Today: Sunny, with a high near 68. Northeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. North wind around 10 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Showers
    Likely

  • New Year's Day

    New Year's Day: Showers likely. Cloudy, with a high near 67.

    High: 67 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 68. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Tonight
Mostly clear, with a low around 49. North wind around 10 mph.
Monday
Sunny, with a high near 69. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 52. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 55.
New Year's Day
Showers likely. Cloudy, with a high near 67.
Thursday Night
Showers likely. Cloudy, with a low around 55.
Friday
Showers likely. Cloudy, with a high near 66.
Friday Night
Showers likely. Mostly cloudy, with a low around 55.
Saturday
A chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Costa Mesa CA
 33.65°N 117.89°W (Elev. 3 ft)
Last Update:
1:21 am PST Dec 28, 2025
Forecast Valid:
5am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation