Current conditions at
John Wayne-Orange County Airport (KSNA)
Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.
Mostly Cloudy
75°F
24°C
| Humidity | 64% |
| Wind Speed | N 0 MPH |
| Barometer | 30.08 in (1018.63 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 15 Aug 10:35 AM PDT |
Extended Forecast for
Costa Mesa CA
Today

High: 79 °F
Gradual
ClearingTonight

Low: 66 °F
Mostly Cloudy
Sunday

High: 80 °F
Becoming
SunnySunday Night

Low: 66 °F
Partly Cloudy
Monday
High: 81 °F
Patchy Fog
then SunnyMonday Night

Low: 67 °F
Patchy Fog
Tuesday

High: 82 °F
Mostly Sunny
Tuesday Night

Low: 68 °F
Partly Cloudy
Wednesday

High: 83 °F
Mostly Sunny
Detailed Forecast
Today
Cloudy early, then gradual clearing, with a high near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 66. West wind 5 to 10 mph becoming light in the evening.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 66. West wind 5 to 10 mph becoming light south after midnight.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Costa Mesa CA
33.67°N 117.92°W (Elev. 3 ft)
33.67°N 117.92°W (Elev. 3 ft)
12:03 am PDT Aug 15, 2026
10am PDT Aug 15, 2026-6pm PDT Aug 21, 2026


