Summit Airport Weather Forecast

    • 13
    • 20

    Mostly Sunny

    • 16
    • 17

    Mostly Sunny

    • 3
    • 17

    Mostly Sunny

    • 3
    • 6

    Chance Snow

    • 14
    • 18

    Chance Snow

    • 17
    • 26

    Chance Snow

    • 16
    • 25

    Mostly Cloudy

Today 23 Jan Northern Susitna Valley

Sunny. Highs 17 to 27. Variable wind 10 Mph.

Tonight 23 Jan Northern Susitna Valley

Clear. Lows 7 to 21 above. Variable wind 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Summit Airport Temperature Statistics

January Temperature

McKinley Park, McKinley National Park Airport (28 miles)

  • Lowest 8 January, 2026

    -43.6 °F

  • Average January

    -4.7 °F

  • Highest 16 January, 2026

    41 °F

Climate (2021–Present)

McKinley Park, McKinley National Park Airport (28 miles)

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  • Average Low 2021–2026

    20.5 °F

  • Average 2021–2026

    29.9 °F

  • Average High 2021–2026

    37.8 °F
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