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.

Mostly Cloudy

54°F

12°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 27 Apr 01:53 AM PDT
Extended Forecast for

3 Miles ESE Ontario International Arpt CA

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 51. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 67. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 11pm. Partly cloudy, with a low around 54. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 51. Southwest wind around 5 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 67. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 51. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 79.
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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:
12:34 am PDT Apr 27, 2026
Forecast Valid:
2am PDT Apr 27, 2026-6pm PDT May 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation