Gustavus Airport Weather Forecast

    • 3
    • 12

    Becoming Sunny

    • -1
    • 11

    Partly Sunny

    • -3
    • 7

    Cold

    • -2
    • 7

    Cold

    • 5
    • 12

    Chance Snow

    • 13
    • 22

    Chance Snow

Today 19 Dec Glacier Bay

Colder. Mostly clear. Highs around 12. North Winds around 10 Mph.

Tonight 19 Dec Glacier Bay

Mostly clear. Near steady temperature around 6. North Winds around 10 Mph.

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Gustavus Airport Temperature Statistics

December Temperature

Gustavus, Gustavus Airport (0.6 miles)

  • Lowest 9 December, 2025

    7 °F

  • Average December

    28 °F

  • Highest 4 December, 2025

    44.1 °F

Climate (2020–Present)

Gustavus, Gustavus Airport (0.6 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    48.7 °F
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