Current conditions at
John Wayne-Orange County Airport (KSNA)
Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.
Partly Cloudy
79°F
26°C
| Humidity | 57% |
| Wind Speed | SSW 4 MPH |
| Barometer | 29.92 in (1013.21 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 20 Sep 01:00 PM PDT |
Extended Forecast for
Costa Mesa CA
This Afternoon
High: 76 °F
Mostly Sunny
Tonight
Low: 65 °F
Mostly Cloudy
Monday
High: 75 °F
Becoming
SunnyMonday Night
Low: 64 °F
Increasing
CloudsTuesday
High: 76 °F
Becoming
SunnyTuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 81 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 83 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 65. South wind around 5 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. South wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Increasing clouds, with a low around 68.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
12:30 pm PDT Sep 20, 2026
1pm PDT Sep 20, 2026-6pm PDT Sep 26, 2026
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