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

73°F

23°C

Humidity 35%
Wind Speed NNW 20 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Jun 11:53 PM MDT
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Clear, with a low around 61. Northwest wind 13 to 18 mph, with gusts as high as 32 mph.

    Low: 61 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny and hot, with a high near 92. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. North northwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 73. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 49. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 61. Northwest wind 13 to 18 mph, with gusts as high as 32 mph.
Juneteenth
Sunny and hot, with a high near 92. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. North northwest wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 73. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 49. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny and hot, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
3:19 pm MDT Jun 18, 2025
Forecast Valid:
12am MDT Jun 19, 2025-6pm MDT Jun 25, 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