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

43°F

6°C

Humidity 45%
Wind Speed NNW 12 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 16 Apr 08:35 PM MDT
Extended Forecast for

15 Miles SSE Richland OR

  • Tonight

    Tonight: Mostly clear, with a low around 28. North wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 45. North wind 6 to 10 mph becoming west southwest in the afternoon.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Southwest wind around 8 mph becoming east after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. South southeast wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. South southeast wind 9 to 14 mph becoming northeast after midnight.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Sunday Night

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

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 28. North wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
Friday
Sunny, with a high near 45. North wind 6 to 10 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 34. Southwest wind around 8 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 53. South southeast wind 7 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 41. South southeast wind 9 to 14 mph becoming northeast after midnight.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 67.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 49.
Tuesday
A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 66.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Wednesday
Showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Richland OR
 44.57°N 117.07°W (Elev. 3599 ft)
Last Update:
12:29 pm MDT Apr 16, 2026
Forecast Valid:
8pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation