Portage Glacier Visitor Center Weather Forecast

    • 21
    • 29

    Patchy Freezing Fog

    • 18
    • 30

    Partly Sunny

    • 24
    • 31

    Partly Sunny

    • 25
    • 33

    Mostly Cloudy

    • 22
    • 32

    Chance Snow

    • 19
    • 28

    Chance Snow

    • 23
    • 30

    Snow Likely

Today 21 Jan Portage

Partly sunny. Patchy freezing fog in the morning. Visibility one quarter mile or less at Times in the morning. Highs in the lower 30s. Variable wind 10 Mph in the morning becoming light.

Tonight 21 Jan Portage

Mostly clear. Patchy freezing fog. Lows in the lower 20s. Variable wind 10 Mph.

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Portage Glacier Visitor Center Temperature Statistics

January Temperature

Portage, Portage Glacier (0 miles)

  • Lowest 8 January, 2026

    -4 °F

  • Average January

    19 °F

  • Highest 18 January, 2026

    45 °F

Climate (2021–Present)

Portage, Portage Glacier (0 miles)

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  • Average Low 2021–2026

    32.8 °F

  • Average 2021–2026

    38.6 °F

  • Average High 2021–2026

    44.2 °F
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