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.

Overcast

52°F

11°C

Humidity 43%
Wind Speed NW 18 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 11 Oct 08:05 PM MDT
Extended Forecast for

New Plymouth ID

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 35. West wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Columbus Day

    Columbus Day: Patchy fog between 8am and 10am. Areas of frost before 10am. Otherwise, mostly sunny, with a high near 58. West northwest wind 3 to 7 mph.

    High: 58 °F

    Areas Frost
    and Patchy
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 10pm and midnight. Patchy frost after 1am. Otherwise, partly cloudy, with a low around 32. West northwest wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Showers then
    Patchy Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 67. West northwest wind 6 to 9 mph.

    High: 67 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Patchy frost after 3am. Otherwise, clear, with a low around 33. Northwest wind 5 to 9 mph becoming light west after midnight.

    Low: 33 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Areas of frost before 10am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Areas Frost
    and Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, clear, with a low around 36.

    Low: 36 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am. Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 71.

    High: 71 °F

    Patchy Frost
    and Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, clear, with a low around 38.

    Low: 38 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 35. West wind 8 to 15 mph, with gusts as high as 24 mph.
Columbus Day
Patchy fog between 8am and 10am. Areas of frost before 10am. Otherwise, mostly sunny, with a high near 58. West northwest wind 3 to 7 mph.
Monday Night
A slight chance of showers between 10pm and midnight. Patchy frost after 1am. Otherwise, partly cloudy, with a low around 32. West northwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 67. West northwest wind 6 to 9 mph.
Tuesday Night
Patchy fog after 5am. Patchy frost after 3am. Otherwise, clear, with a low around 33. Northwest wind 5 to 9 mph becoming light west after midnight.
Wednesday
Areas of fog before 9am. Areas of frost before 10am. Otherwise, sunny, with a high near 68.
Wednesday Night
Patchy fog after 3am. Otherwise, clear, with a low around 36.
Thursday
Areas of fog before 10am. Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 71.
Thursday Night
Patchy fog after 2am. Otherwise, clear, with a low around 38.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 40.
Saturday
Patchy fog. Otherwise, sunny, with a high near 74.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 39.
Sunday
Areas of fog. Otherwise, sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Plymouth ID
 43.96°N 116.81°W (Elev. 2254 ft)
Last Update:
7:11 pm MDT Oct 11, 2026
Forecast Valid:
8pm MDT Oct 11, 2026-6pm MDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation