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

37°F

3°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 06 Dec 08:53 PM MST
Extended Forecast for

Ontario Municipal OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of rain. Patchy fog between 8am and 2pm. Otherwise, cloudy, with a high near 46. Calm wind becoming east southeast around 5 mph.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 33. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 33 °F

    Slight Chance
    Rain and
    Areas Fog

  • Monday

    Monday: A 30 percent chance of rain after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48. Light southeast wind.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 42. Light and variable wind becoming southwest 6 to 11 mph in the evening. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Light and variable wind.
Sunday
A 50 percent chance of rain. Patchy fog between 8am and 2pm. Otherwise, cloudy, with a high near 46. Calm wind becoming east southeast around 5 mph.
Sunday Night
A 20 percent chance of rain. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 33. North northeast wind 5 to 7 mph becoming calm in the evening.
Monday
A 30 percent chance of rain after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48. Light southeast wind.
Monday Night
Rain likely. Cloudy, with a low around 42. Light and variable wind becoming southwest 6 to 11 mph in the evening. Chance of precipitation is 70%.
Tuesday
Rain. High near 54. Chance of precipitation is 80%.
Tuesday Night
Rain likely. Cloudy, with a low around 45. Chance of precipitation is 70%.
Wednesday
Rain likely, mainly before 11am. Cloudy, with a high near 59. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 54.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117.03°W (Elev. 2185 ft)
Last Update:
8:25 pm MST Dec 6, 2025
Forecast Valid:
9pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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