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

90°F

32°C

Humidity 21%
Wind Speed SE 5 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Jun 06:30 PM MDT
Extended Forecast for

3 Miles W Nyssa OR

  • Tonight

    Tonight: Clear, with a low around 61. Breezy, with an east northeast wind 5 to 10 mph becoming north northwest 16 to 21 mph in the evening. Winds could gust as high as 30 mph.

    Low: 61 °F

    Mostly Clear
    then Clear
    and Breezy

  • Juneteenth

    Juneteenth: Sunny and hot, with a high near 90. Northwest wind 8 to 17 mph.

    High: 90 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Breezy, with a north wind 8 to 13 mph becoming northwest 16 to 21 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 71. West northwest wind 14 to 17 mph.

    High: 71 °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 14 to 18 mph.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 61. Breezy, with an east northeast wind 5 to 10 mph becoming north northwest 16 to 21 mph in the evening. Winds could gust as high as 30 mph.
Juneteenth
Sunny and hot, with a high near 90. Northwest wind 8 to 17 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Breezy, with a north wind 8 to 13 mph becoming northwest 16 to 21 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 71. West northwest wind 14 to 17 mph.
Friday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 49. Northwest wind 14 to 18 mph.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 66.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny and hot, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Nyssa OR
 43.89°N 117.06°W (Elev. 2402 ft)
Last Update:
3:19 pm MDT Jun 18, 2025
Forecast Valid:
6pm MDT Jun 18, 2025-6pm MDT Jun 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation