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

28°F

-2°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 28 Oct 09:15 AM MDT
Extended Forecast for

Ontario ORSimilar City Names

  • Today

    Today: Patchy fog before 10am. Areas of frost before 10am. Otherwise, sunny, with a high near 57. Calm wind becoming south around 5 mph.

    High: 57 °F

    Areas Frost
    and Patchy
    Fog then
    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Frost

  • Thursday

    Thursday: Widespread frost, mainly before 11am. Otherwise, partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Frost then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers before noon. Partly sunny, with a high near 55.

    High: 55 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Areas of frost before 10am. Otherwise, sunny, with a high near 57. Calm wind becoming south around 5 mph.
Tonight
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. Calm wind.
Thursday
Widespread frost, mainly before 11am. Otherwise, partly sunny, with a high near 55. Calm wind.
Thursday Night
Mostly cloudy, with a low around 34. Calm wind.
Friday
Mostly cloudy, with a high near 59. Calm wind.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A 20 percent chance of showers before noon. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 56.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 37.
Sunday
A 40 percent chance of showers before noon. Partly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 29.
Monday
Patchy fog. Otherwise, sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario ORSimilar City Names
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
12:30 am MDT Oct 28, 2026
Forecast Valid:
9am MDT Oct 28, 2026-6pm MST Nov 3, 2026
 
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Additional Resources

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