Brother Islands Weather Forecast

    • 20
    • 25

    Windy

    • 26
    • 33

    Mostly Cloudy

    • 22
    • 31

    Partly Sunny

    • 19
    • 28

    Partly Sunny

    • 15
    • 25

    Partly Sunny

    • 15
    • 22

    Partly Sunny

Today 11 Mar Chignik

Sunny. Blowing snow in the Morning, then Areas of blowing snow in the afternoon. Visibility one quarter mile or less at Times. Highs 15 to 20. Northwest wind 30 to 45 Mph.

Tonight 11 Mar Chignik

Increasing Clouds. Areas of blowing snow. Lows 5 to 15 above. Northwest wind 20 to 35 Mph.

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Brother Islands Temperature Statistics

March Temperature

Port Heiden, Port Heiden Airport (70.8 miles)

  • Lowest 5 March, 2026

    0 °F

  • Average March

    8.6 °F

  • Highest 3 March, 2026

    18 °F

Climate (2021–Present)

Port Heiden, Port Heiden Airport (70.8 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    38.9 °F

  • Average High 2021–2026

    43.9 °F
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