Granite Mountain Air Station Weather Forecast

    • 31
    • 40

    Decreasing Clouds

    • 31
    • 43

    Mostly Sunny

    • 33
    • 44

    Mostly Sunny

    • 37
    • 44

    Mostly Cloudy

    • 35
    • 46

    Mostly Cloudy

    • 36
    • 46

    Mostly Cloudy

    • 35
    • 45

    Mostly Cloudy

Today 13 Sep Interior Seward Peninsula

Partly sunny. Highs in the mid 40s. Light Winds.

Tonight 13 Sep Interior Seward Peninsula

Mostly cloudy. A slight chance of rain and snow after midnight. Lows in the lower 30s. Light Winds.

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Granite Mountain Air Station Temperature Statistics

September Temperature

Koyuk, Koyuk Airport (32.3 miles)

  • Lowest 10 September, 2025

    36 °F

  • Average September

    47.4 °F

  • Highest 7 September, 2025

    55 °F

Climate (2020–Present)

Koyuk, Koyuk Airport (32.3 miles)

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  • Average Low 2020–2025

    23 °F

  • Average 2020–2025

    28.7 °F

  • Average High 2020–2025

    34.4 °F
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