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.

Rain

54°F

12°C

Humidity 93%
Wind Speed WSW 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 25 Apr 11:20 PM PDT
Extended Forecast for

3 Miles ESE Ontario International Arpt CA

  • Tonight

    Tonight: Showers likely. Mostly cloudy, with a low around 52. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers before 11am. Mostly sunny, with a high near 66. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely. Mostly cloudy, with a low around 52. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers before 11am. Mostly sunny, with a high near 66. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 52. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 51. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Ontario International Arpt CA
 34.04°N 117.55°W (Elev. 853 ft)
Last Update:
12:19 pm PDT Apr 25, 2026
Forecast Valid:
11pm PDT Apr 25, 2026-6pm PDT May 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation