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

Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.

Overcast

61°F

16°C

Humidity 67%
Wind Speed SW 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 02 Apr 11:20 AM PDT
Extended Forecast for

Ontario International Arpt CA

Wind Advisory April 3, 05:00am until April 3, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Southwest wind 5 to 10 mph becoming light west in the evening.

    Low: 51 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 80. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. North wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Southwest wind 5 to 10 mph becoming light west in the evening.
Friday
Mostly sunny, with a high near 80. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 57. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 86. North wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario International Arpt CA
 34.08°N 117.59°W (Elev. 1037 ft)
Last Update:
11:25 am PDT Apr 2, 2026
Forecast Valid:
11am PDT Apr 2, 2026-6pm PDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation