Ontario Municipal Airport Weather Forecast

    • 26
    • 40

    Increasing Clouds

    • 31
    • 38

    Rain/Snow

    • 28
    • 45

    Snow Likely

    • 29
    • 40

    Chance Rain/Snow

    • 30
    • 41

    Rain/Snow Likely

    • 26
    • 43

    Chance Rain/Snow

    • 24
    • 40

    Chance Snow

Today 30 Jan Oregon Lower Treasure Valley

Sunny. Highs 38 to 43. Light Winds.

Tonight 30 Jan Oregon Lower Treasure Valley

Increasing Clouds. Not as cold with Lows 24 to 29. East Winds up to 10 Mph.

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Ontario Municipal Airport Temperature Statistics

January Temperature

Ontario Municipal Airport (0 miles)

  • Lowest 27 January, 2025

    10.9 °F

  • Average January

    33 °F

  • Highest 6 January, 2025

    51.7 °F

Climate (2020–Present)

Ontario Municipal Airport (0 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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