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.

Overcast

38°F

3°C

Humidity 82%
Wind Speed SSW 4 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 07 Mar 02:53 AM MST
Extended Forecast for

Ontario Municipal OR

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming east around 6 mph in the afternoon.

    High: 56 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 33. East wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. East northeast wind around 8 mph becoming west after midnight.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 38. Calm wind.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 33. East wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Sunday Night
Mostly clear, with a low around 39. East northeast wind around 8 mph becoming west after midnight.
Monday
Partly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 56.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 20 percent chance of rain. Cloudy, with a high near 63.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 61.
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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:
2:04 am MST Mar 7, 2026
Forecast Valid:
3am MST Mar 7, 2026-6pm MDT Mar 13, 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