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.

Mostly Cloudy

36°F

2°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 28 Jan 11:05 AM MST
Extended Forecast for

Ontario Municipal OR

  • Today

    Today: Mostly sunny, with a high near 41. Calm wind.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, increasing clouds, with a low around 26. Calm wind.

    Low: 26 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, cloudy, with a high near 40. Calm wind.

    High: 40 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog. Otherwise, cloudy, with a high near 40. Calm wind.

    High: 40 °F

    Areas Fog

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 30.

    Low: 30 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 44.

    High: 44 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 31.

    Low: 31 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 41. Calm wind.
Tonight
Patchy fog after 8pm. Otherwise, increasing clouds, with a low around 26. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, cloudy, with a high near 40. Calm wind.
Thursday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 28. Calm wind.
Friday
Areas of fog. Otherwise, cloudy, with a high near 40. Calm wind.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 30.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 44.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 31.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 45.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 31.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
2:04 am MST Jan 28, 2026
Forecast Valid:
11am MST Jan 28, 2026-6pm MST Feb 3, 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