Waterfall Airport Weather Forecast

    • 41
    • 55

    Mostly Cloudy

    • 37
    • 52

    Rain

    • 23
    • 50

    Rain

    • 33
    • 42

    Rain Likely

    • 24
    • 49

    Rain/Snow Likely

    • 21
    • 38

    Slight Chance Snow

    • 27
    • 40

    Chance Rain/Snow

Today 15 Dec Gallatin Valley

Mostly sunny in the late morning and early afternoon then becoming mostly cloudy. Highs in the mid 50s. South Winds 5 to 15 Mph. Gusts up to 25 Mph increasing to 35 Mph in the afternoon.

Tonight 15 Dec Gallatin Valley

Breezy. Not as cool. Partly cloudy until early Morning, then mostly cloudy with a 20 percent chance of rain early in the morning. Lows in the lower 40s. Southwest Winds 15 to 25 Mph with Gusts to around 45 Mph.

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Waterfall Airport Temperature Statistics

December Temperature

Bozeman, Gallatin Field (10.6 miles)

  • Lowest 1 December, 2025

    0 °F
  • Average December

    36.7 °F
  • Highest 10 December, 2025

    61 °F

Climate (2020–Present)

Bozeman, Gallatin Field (10.6 miles)

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  • Average Low 2020–2025

    31 °F
  • Average 2020–2025

    44.5 °F
  • Average High 2020–2025

    57.9 °F
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