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

45°F

7°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 Nov 07:35 PM MST
Extended Forecast for

Ontario OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. East southeast wind 3 to 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 55. Calm wind becoming south southeast around 5 mph.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight. Patchy fog after 2am. Otherwise, cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%.

    Low: 38 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: Showers, mainly before 11am. Areas of fog before noon. High near 51. Calm wind. Chance of precipitation is 80%.

    High: 51 °F

    Showers and
    Areas Fog
    then Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48.

    High: 48 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 2pm, then a chance of rain showers after 2pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Rain/Snow and
    Areas Fog

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Showers
    Likely and
    Patchy Fog

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. East southeast wind 3 to 5 mph.
Sunday
A 30 percent chance of showers, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 55. Calm wind becoming south southeast around 5 mph.
Sunday Night
Showers likely, mainly after midnight. Patchy fog after 2am. Otherwise, cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%.
Monday
Showers, mainly before 11am. Areas of fog before noon. High near 51. Calm wind. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of showers. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 25.
Wednesday
A slight chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 2pm, then a chance of rain showers after 2pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly before 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 47.
Thursday Night
A 30 percent chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 28.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 48.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 26.
Saturday
Areas of fog. Otherwise, partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
11:30 am MST Nov 14, 2026
Forecast Valid:
7pm MST Nov 14, 2026-6pm MST Nov 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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