Summit Airport Weather Forecast

    • -18
    • -2

    Cold

    • -18
    • -2

    Cold

    • -12
    • 9

    Cold

    • -8
    • 11

    Mostly Sunny

    • -5
    • 15

    Mostly Sunny

    • -7
    • 14

    Mostly Sunny

Today 18 Mar Northern Susitna Valley

Mostly sunny in the morning then becoming partly cloudy. Highs 1 below to 9 above. Northeast wind 15 Mph with Gusts to 25 Mph.

Tonight 18 Mar Northern Susitna Valley

Mostly cloudy with a slight chance of snow. Lows 8 below to 18 below. North wind 15 Mph with Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Airport Temperature Statistics

March Temperature

McKinley Park, McKinley National Park Airport (28 miles)

  • Lowest 1 March, 2026

    -34.6 °F

  • Average March

    -6.4 °F

  • Highest 12 March, 2026

    15.1 °F

Climate (2021–Present)

McKinley Park, McKinley National Park Airport (28 miles)

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  • Average Low 2021–2026

    20 °F

  • Average 2021–2026

    29.5 °F

  • Average High 2021–2026

    37.4 °F
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