Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

39°F

4°C

Humidity 80%
Wind Speed W 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Mar 09:35 AM MDT
Extended Forecast for

Ontario OR

  • Today

    Today: Sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. East wind around 5 mph becoming calm  after midnight.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light southeast wind.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. East southeast wind around 6 mph becoming calm  after midnight.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. Light east southeast wind.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 44. East wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 78. Light southeast wind.
Thursday Night
Partly cloudy, with a low around 46. East southeast wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 79. Light east southeast wind.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly cloudy, with a high near 65.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
12:29 am MDT Mar 18, 2026
9am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database