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

46°F

8°C

Humidity 70%
Wind Speed W 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 07 Apr 03:20 AM MDT
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Light west southwest wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. East northeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 74. Light west southwest wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 37. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 68. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 37. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 62.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
12:30 am MDT Apr 7, 2026
Forecast Valid:
3am MDT Apr 7, 2026-6pm MDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation