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

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

30°F

-1°C

Humidity 86%
Wind Speed W 3 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Apr 02:05 AM MDT
Extended Forecast for

Ontario OR

Freeze Warning until April 17, 10:00am
Freeze Warning April 18, 12:00am until April 18, 10:00am
Click here for hazard details and duration
Freeze Warning
Freeze Warning
  •  
    Freeze Warning until April 17, 10:00am

    NOW until 10:00am Fri

    Freeze Warning

  • Overnight

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Light east wind.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. East southeast wind 5 to 8 mph becoming light and variable after midnight.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Calm wind.
Friday
Sunny, with a high near 56. Light and variable wind.
Friday Night
Partly cloudy, with a low around 30. Light east wind.
Saturday
Mostly sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 38. East southeast wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Partly sunny, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 74.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 63.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
12:29 am MDT Apr 17, 2026
Forecast Valid:
2am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation