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 69%
Wind Speed W 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Oct 11:55 PM MDT
Extended Forecast for

4 Miles WSW Ontario Municipal OR

  • Overnight

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

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Light northeast wind.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Light north wind.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72. North northwest wind around 5 mph becoming calm in the morning.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 73. Light northeast wind.
Monday Night
Partly cloudy, with a low around 43. Light north wind.
Tuesday
Partly sunny, with a high near 72. North northwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Showers likely, mainly after midnight. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Thursday
Showers likely, mainly before noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 39.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Ontario Municipal OR
 44°N 117.09°W (Elev. 2182 ft)
Last Update:
2:41 pm MDT Oct 18, 2026
Forecast Valid:
12am MDT Oct 19, 2026-6pm MDT Oct 25, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation