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.

light rain,mist

46°F

8°C

Humidity 93%
Wind Speed SW 12 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill40°F (4°C)
Last update 22 Apr 04:05 AM MDT
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Showers. Low around 45. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before 9am. High near 55. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 38. West wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers
    Likely then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers. Low around 45. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, mainly before 9am. High near 55. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 38. West wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Mostly sunny, with a high near 59. West wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 36. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 67.
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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:
12:31 am MDT Apr 22, 2026
Forecast Valid:
4am MDT Apr 22, 2026-6pm MDT Apr 28, 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