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.

Partly Cloudy

61°F

16°C

Humidity 21%
Wind Speed NNW 17 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 10 Oct 05:53 PM MDT
Extended Forecast for

Nyssa OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Northwest wind 11 to 16 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. North northwest wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 38 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 58. West southwest wind 5 to 8 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 35. Northwest wind 5 to 7 mph.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Northwest wind 11 to 16 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 59. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 38. North northwest wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 30 mph.
Columbus Day
Mostly cloudy, with a high near 58. West southwest wind 5 to 8 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 35. Northwest wind 5 to 7 mph.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 66.
Tuesday Night
Clear, with a low around 36.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Clear, with a low around 39.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 70.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 38.
Friday
Areas of fog. Otherwise, sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nyssa OR
 43.88°N 117°W (Elev. 2110 ft)
Last Update:
1:53 pm MDT Oct 10, 2026
Forecast Valid:
6pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation