Current conditions at
John Wayne-Orange County Airport (KSNA)
Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.
Clear
70°F
21°C
| Humidity | 21% |
| Wind Speed | N 0 MPH |
| Barometer | 30.11 in (1019.64 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 21 Feb 01:35 PM PST |
Extended Forecast for
Costa Mesa CA
This Afternoon
High: 67 °F
Sunny
Tonight
Low: 46 °F
Mostly Clear
Sunday
High: 71 °F
Sunny
Sunday Night
Low: 49 °F
Partly Cloudy
Monday
High: 74 °F
Mostly Sunny
Monday Night
Low: 52 °F
Partly Cloudy
Tuesday
High: 73 °F
Mostly Sunny
Tuesday Night
Low: 54 °F
Partly Cloudy
Wednesday
High: 72 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 67. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 46. West wind around 5 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 71. Light and variable wind becoming west 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 74. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Costa Mesa CA
33.66°N 117.94°W (Elev. 7 ft)
33.66°N 117.94°W (Elev. 7 ft)
12:18 pm PST Feb 21, 2026
1pm PST Feb 21, 2026-6pm PST Feb 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
