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

Ontario International Airport (KONT)

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

Clear

66°F

19°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 Mar 12:35 AM PDT
Extended Forecast for

3 Miles ESE Ontario International Arpt CA

  • Overnight

    Overnight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 59.

    Low: 59 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 88. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 60. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 62. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 91.
Sunday Night
Increasing clouds, with a low around 59.
Monday
Partly sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A slight chance of showers after 11am. Mostly cloudy, with a high near 73.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A slight chance of showers. Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Ontario International Arpt CA
 34.04°N 117.55°W (Elev. 853 ft)
Last Update:
12:07 am PDT Mar 27, 2026
Forecast Valid:
12am PDT Mar 27, 2026-6pm PDT Apr 2, 2026
 
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