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 69%
Wind Speed WSW 5 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 06 Mar 12:20 AM MST
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Partly cloudy, with a low around 32. West northwest wind around 7 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 53. West northwest wind 3 to 7 mph.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. North wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. West northwest wind around 7 mph.
Friday
Partly sunny, with a high near 53. West northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 36. North wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 56. Calm wind.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 57. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
5:06 pm MST Mar 5, 2026
Forecast Valid:
12am MST Mar 6, 2026-6pm MDT Mar 12, 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