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

39°F

4°C

Humidity 86%
Wind Speed W 6 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 21 Nov 03:05 AM MST
Extended Forecast for

Ontario Municipal OR

  • Overnight

    Overnight: Mostly clear, with a low around 33. Light west northwest wind.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. Calm wind.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 49.

    High: 49 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 33. Light west northwest wind.
Friday
Sunny, with a high near 52. Calm wind.
Friday Night
Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Saturday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 50. Calm wind.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 31. Calm wind.
Sunday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 49.
Sunday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Thanksgiving Day
A 20 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 43.
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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 am MST Nov 21, 2025
Forecast Valid:
3am MST Nov 21, 2025-6pm MST Nov 27, 2025
 
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