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

59°F

15°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 25 May 08:05 AM MDT
Extended Forecast for

4 Miles N Adrian OR

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 92. Light and variable wind becoming south southwest 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. South wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 68. Northwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 68 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 49. West northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Mostly sunny, with a high near 77. West wind 8 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

Memorial Day
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 92. Light and variable wind becoming south southwest 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. South wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Tuesday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 68. Northwest wind 11 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Showers likely. Cloudy, with a low around 49. West northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of showers before noon. Mostly sunny, with a high near 77. West wind 8 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Adrian OR
 43.81°N 117.04°W (Elev. 2215 ft)
Last Update:
12:29 am MDT May 25, 2026
Forecast Valid:
8am MDT May 25, 2026-6pm MDT May 31, 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