Ontario Municipal Airport Weather Forecast

    • 33
    • 55

    Partly Sunny

    • 30
    • 52

    Rain/Snow Likely

    • 29
    • 45

    Rain/Snow Likely

    • 25
    • 43

    Chance Snow

    • 23
    • 41

    Chance Snow

    • 27
    • 42

    Chance Snow

Today 15 Feb Oregon Lower Treasure Valley

Areas of fog this morning. Partly sunny. Highs 52 to 57. Light Winds.

Tonight 15 Feb Oregon Lower Treasure Valley

Partly cloudy. Patchy fog after midnight. Lows 31 to 36. Light Winds.

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Ontario Municipal Airport Temperature Statistics

February Temperature

Ontario Municipal Airport (0 miles)

  • Lowest 2 February, 2026

    22.6 °F

  • Average February

    38.7 °F

  • Highest 5 February, 2026

    56.6 °F

Climate (2021–Present)

Ontario Municipal Airport (0 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    67.2 °F
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