Portage Glacier Visitor Center Weather Forecast

    • 41
    • 49

    Rain

    • 39
    • 51

    Rain Showers

    • 36
    • 50

    Rain

    • 36
    • 51

    Chance Rain

    • 36
    • 51

    Mostly Cloudy

    • 37
    • 50

    Rain Showers

    • 37
    • 50

    Rain Showers

Today 19 Sep Portage

Patchy fog in the morning. Showers likely in the Morning, then Showers in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the upper 40s. East wind 10 to 20 Mph. Gusts to 30 Mph.

Tonight 19 Sep Portage

Rain. Lows around 40. East wind 10 to 20 Mph with Gusts to 30 Mph.

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Portage Glacier Visitor Center Temperature Statistics

September Temperature

Portage, Portage Glacier (0 miles)

  • Lowest 2 September, 2026

    30.9 °F

  • Average September

    52.1 °F

  • Highest 11 September, 2026

    68 °F

Climate (2021–2026)

Portage, Portage Glacier (0 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    38.2 °F

  • Average High 2021–2026

    43.8 °F
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