Middle Island Weather Forecast

    • 16
    • 23

    Mostly Sunny

    • 14
    • 23

    Partly Sunny

    • 12
    • 19

    Mostly Sunny

    • 17
    • 23

    Partly Sunny

    • 24
    • 32

    Chance Snow

    • 28
    • 36

    Snow Likely

Today 20 Dec City and Borough of Sitka

Mostly clear. Highs around 18. Northeast Winds around 10 Mph.

Tonight 20 Dec City and Borough of Sitka

Partly cloudy. Flurries late. Lows around 12. Northeast Winds 10 to 15 Mph.

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Middle Island Temperature Statistics

December Temperature

Sitka - Sitka Airport (5 miles)

  • Lowest 12 December, 2025

    19.9 °F

  • Average December

    36.4 °F

  • Highest 1 December, 2025

    50 °F

Climate (2020–Present)

Sitka - Sitka Airport (5 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    51.4 °F
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