Summit Airport Weather Forecast

    • 34
    • 47

    Chance Rain

    • 34
    • 47

    Chance Snow

    • 35
    • 46

    Chance Rain Showers

    • 34
    • 45

    Chance Rain/Snow

    • 31
    • 43

    Chance Rain/Snow

    • 30
    • 41

    Chance Snow Showers

Today 25 Sep Northern Susitna Valley

Mostly cloudy with a slight chance of rain. Highs in the upper 40s. East wind 15 Mph.

Tonight 25 Sep Northern Susitna Valley

Mostly cloudy with a chance of rain. Lows in the mid 30s. East wind 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Airport Temperature Statistics

September Temperature

McKinley Park, McKinley National Park Airport (28 miles)

  • Lowest 1 September, 2026

    28 °F

  • Average September

    45.4 °F

  • Highest 7 September, 2026

    62.1 °F

Climate (2021–2026)

McKinley Park, McKinley National Park Airport (28 miles)

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  • Average Low 2021–2026

    20.1 °F

  • Average 2021–2026

    29.4 °F

  • Average High 2021–2026

    37.2 °F
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