Hazardous Weather Conditions
Current conditions at
John Wayne-Orange County Airport (KSNA)
Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.
Clear
88°F
31°C
| Humidity | 35% |
| Wind Speed | N 0 MPH |
| Barometer | 29.8 in (1009.14 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 03 Oct 08:53 PM PDT |
Extended Forecast for
Costa Mesa CA
Extreme Heat Warning October 3, 09:18pm until October 8, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
Tonight
Low: 73 °F
Clear
Sunday
High: 94 °F
Sunny
Sunday Night
Low: 73 °F
Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 74 °F
Clear
Wednesday
High: 90 °F
Sunny
Detailed Forecast
Tonight
Clear, with a low around 73. Calm wind becoming northeast around 5 mph.
Sunday
Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Clear, with a low around 73. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 92. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 69.
Saturday
Mostly sunny, with a high near 80.
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)
11:27 am PDT Oct 3, 2026
9pm PDT Oct 3, 2026-6pm PDT Oct 10, 2026
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