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

85°F

29°C

Humidity 24%
Wind Speed SE 5 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Jun 01:53 PM MDT
Extended Forecast for

Ontario ORSimilar City Names

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 94. Light south southeast wind.

    High: 94 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light and variable wind becoming north northwest 11 to 16 mph in the evening. Winds could gust as high as 29 mph.

    Low: 61 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny and hot, with a high near 92. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. South wind 8 to 14 mph becoming north northwest in the evening. Winds could gust as high as 23 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 94. Light south southeast wind.
Tonight
Mostly clear, with a low around 61. Light and variable wind becoming north northwest 11 to 16 mph in the evening. Winds could gust as high as 29 mph.
Juneteenth
Sunny and hot, with a high near 92. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 61. South wind 8 to 14 mph becoming north northwest in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 74. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 47.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario ORSimilar City Names
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
3:19 am MDT Jun 18, 2025
Forecast Valid:
2pm MDT Jun 18, 2025-6pm MDT Jun 24, 2025
 
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