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.

haze

63°F

17°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Last update 08 Oct 09:00 PM MDT
Extended Forecast for

Nyssa OR

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. North northwest wind 7 to 9 mph.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. Northwest wind 7 to 11 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 38. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Showers and
    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 83. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 47. North northwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 61. Northwest wind 7 to 11 mph.
Saturday Night
A slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 38. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 59.
Sunday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 34.
Columbus Day
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 59.
Monday Night
A 20 percent chance of showers. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 36.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 65.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 39.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 37.
Thursday
Areas of fog. Otherwise, sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nyssa OR
 43.88°N 116.97°W (Elev. 2205 ft)
Last Update:
12:54 pm MDT Oct 8, 2026
Forecast Valid:
9pm MDT Oct 8, 2026-6pm MDT Oct 15, 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