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

33°F

1°C

Humidity 60%
Wind Speed WNW 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 09 Mar 11:53 PM MDT
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Northwest wind 6 to 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. West northwest wind 6 to 9 mph.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. North wind 5 to 7 mph becoming calm after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Southeast wind 7 to 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 67.

    High: 67 °F

    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Northwest wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 48. West northwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 29. North wind 5 to 7 mph becoming calm after midnight.
Wednesday
Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. Southeast wind 7 to 9 mph.
Thursday
A 20 percent chance of rain. Cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Cloudy, with a high near 67.
Friday Night
A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 50.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 64. Breezy.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A 20 percent chance of rain. Cloudy, with a high near 60.
Sunday Night
A 20 percent chance of rain. Cloudy, with a low around 45.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
3:05 pm MDT Mar 9, 2026
Forecast Valid:
12am MDT Mar 10, 2026-6pm MDT Mar 16, 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