Current conditions at

Ontario International Airport (KONT)

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

Mostly Cloudy

59°F

15°C

Humidity 82%
Wind Speed SW 9 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Apr 01:20 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 55. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 11pm.  Increasing clouds, with a low around 53. Southwest wind 10 to 15 mph becoming light south  after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am.  High near 63. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm.  Mostly cloudy, with a low around 50. West wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 55. Southwest wind around 5 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of showers after 11pm. Increasing clouds, with a low around 53. Southwest wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Sunday
Showers, with thunderstorms also possible after 11am. High near 63. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 50. West wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 80.
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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)
12:31 am PDT Apr 11, 2026
1am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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Additional Resources

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