Hazardous Weather Conditions
Current conditions at
John Wayne-Orange County Airport (KSNA)
Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.
Clear
93°F
34°C
| Humidity | 24% |
| Wind Speed | SW 4 MPH |
| Barometer | 29.82 in (1009.82 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 04 Oct 06:05 PM PDT |
Extended Forecast for
Costa Mesa CA
Extreme Heat Warning October 4, 06:29pm until October 8, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
Tonight
Low: 73 °F
Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 72 °F
Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 87 °F
Sunny
Detailed Forecast
Tonight
Clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 93. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Partly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 77.
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)
12:40 pm PDT Oct 4, 2026
6pm PDT Oct 4, 2026-6pm PDT Oct 11, 2026
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