National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

John Wayne-Orange County Airport (KSNA)

Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.

Partly Cloudy

21°C

70°F

Humidity 83%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 18°C (64°F)
Visibility 14 km
Last update 15 Jul 03:20 AM PDT
Extended Forecast for

Irvine CA

Extreme Heat Warning July 15, 10:00am until July 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 20. Calm wind.

    Low: 20 °C

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 31. Light southwest wind increasing to 10 to 15 km/h in the morning.

    High: 31 °C

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. Southwest wind 5 to 10 km/h becoming northeast after midnight.

    Low: 21 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 30. East wind 5 to 10 km/h becoming south 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.

    High: 30 °C

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 21. South wind 10 to 15 km/h.

    Low: 21 °C

    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 28.

    High: 28 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 28.

    High: 28 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 11pm. Partly cloudy, with a low around 20.

    Low: 20 °C

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 20. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 31. Light southwest wind increasing to 10 to 15 km/h in the morning.
Wednesday Night
Mostly clear, with a low around 21. Southwest wind 5 to 10 km/h becoming northeast after midnight.
Thursday
Sunny, with a high near 30. East wind 5 to 10 km/h becoming south 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 21. South wind 10 to 15 km/h.
Friday
Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
A slight chance of showers after 11pm. Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Irvine CA
 33.68°N 117.81°W (Elev. 56 m)
Last Update:
3:27 am PDT Jul 15, 2026
Forecast Valid:
3am PDT Jul 15, 2026-6pm PDT Jul 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation