Brother Islands Weather Forecast

    • 26
    • 31

    Blustery

    • 31
    • 32

    Sunny

    • 31
    • 34

    Breezy

    • 28
    • 36

    Breezy

    • 21
    • 31

    Breezy

    • 21
    • 25

    Blustery

    • 26
    • 28

    Partly Sunny

Today 10 Dec Chignik

Sunny. Highs in the 20s. Northwest wind 20 to 35 Mph. Gusts to 55 Mph increasing to 65 Mph in the afternoon.

Tonight 10 Dec Chignik

Clear. Lows 15 to 25. Northwest wind 20 to 35 Mph. Gusts to 65 Mph decreasing to 50 Mph after midnight.

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Brother Islands Temperature Statistics

December Temperature

Port Heiden, Port Heiden Airport (70.8 miles)

  • Lowest 7 December, 2025

    1 °F

  • Average December

    29 °F

  • Highest 1 December, 2025

    48.9 °F

Climate (2020–Present)

Port Heiden, Port Heiden Airport (70.8 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    38.7 °F

  • Average High 2020–2025

    43.6 °F
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