Portage Glacier Visitor Center Weather Forecast

    • 47
    • 56

    Rain Likely

    • 50
    • 61

    Chance Rain

    • 52
    • 69

    Mostly Cloudy

    • 52
    • 72

    Mostly Cloudy

    • 52
    • 71

    Mostly Cloudy

    • 51
    • 70

    Chance Rain

Today 5 Aug Portage

Rain likely in the Morning, then a chance of rain in the afternoon. Highs in the mid 50s. East wind 10 to 15 Mph.

Tonight 5 Aug Portage

Cloudy with a chance of rain. Lows in the upper 40s. Variable wind 10 Mph with Gusts to 20 Mph in the evening becoming light.

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Portage Glacier Visitor Center Temperature Statistics

August Temperature

Portage, Portage Glacier (0 miles)

  • Lowest 1 August, 2026

    46 °F

  • Average August

    58.1 °F

  • Highest 1 August, 2026

    73 °F

Climate (2021–2026)

Portage, Portage Glacier (0 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    38.1 °F

  • Average High 2021–2026

    43.7 °F
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