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

70°F

21°C

Humidity 32%
Wind Speed WSW 10 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Jun 09:05 AM MDT
Extended Forecast for

Ontario OR

  • Today

    Today: Sunny and hot, with a high near 91. West wind around 6 mph.

    High: 91 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind around 6 mph becoming light and variable after midnight.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny and hot, with a high near 92. Northwest wind 8 to 10 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 91. West wind around 6 mph.
Tonight
Mostly clear, with a low around 58. West wind around 6 mph becoming light and variable after midnight.
Wednesday
Sunny and hot, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Juneteenth
Sunny and hot, with a high near 92. Northwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 69.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 46.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.01°N 116.97°W (Elev. 2113 ft)
Last Update:
3:19 am MDT Jun 17, 2025
Forecast Valid:
9am MDT Jun 17, 2025-6pm MDT Jun 23, 2025
 
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