Payette Weather Forecast

    • 22
    • 37

    Mostly Sunny

    • 21
    • 37

    Partly Sunny

    • 21
    • 37

    Mostly Sunny

    • 21
    • 39

    Mostly Cloudy

    • 26
    • 38

    Chance Snow

    • 26
    • 41

    Chance Rain

Today 28 Dec Lower Treasure Valley

Partly sunny in the Morning, then clearing. Highs 33 to 38. Light Winds.

Tonight 28 Dec Lower Treasure Valley

Mostly clear. Lows 18 to 23. Light Winds.

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  • Temperature Forecast NOAA

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Payette Temperature Statistics

December Temperature

Ontario Municipal Airport (5.6 miles)

  • Lowest 1 December, 2025

    21 °F

  • Average December

    37.8 °F

  • Highest 17 December, 2025

    57 °F

Climate (2020–Present)

Ontario Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    67.2 °F
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