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

Ontario Municipal Airport (KONO)

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

Clear

44°F

7°C

Humidity 82%
Wind Speed N 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 07 Mar 09:53 PM MST
Extended Forecast for

Ontario Municipal OR

  • Tonight

    Tonight: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. East northeast wind around 6 mph becoming west after midnight.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. West northwest wind 7 to 14 mph.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North northwest wind 8 to 15 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Calm wind.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming east northeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 38. East northeast wind around 6 mph becoming west after midnight.
Monday
Partly sunny, with a high near 53. West northwest wind 7 to 14 mph.
Monday Night
Partly cloudy, with a low around 28. North northwest wind 8 to 15 mph.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 64.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 38.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 60.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Saturday
A 40 percent chance of showers. Cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
2:04 pm MST Mar 7, 2026
Forecast Valid:
10pm MST Mar 7, 2026-6pm MDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation