Brother Islands Weather Forecast

    • 50
    • 58

    Areas Fog

    • 52
    • 58

    Mostly Cloudy

    • 52
    • 58

    Chance Rain

    • 52
    • 58

    Chance Rain

    • 52
    • 59

    Mostly Cloudy

    • 53
    • 61

    Mostly Cloudy

Today 22 Jul Chignik

Partly sunny. A slight chance of Showers in the morning. Areas of fog. Highs around 60. Northwest wind 15 Mph.

Tonight 22 Jul Chignik

Partly cloudy. Areas of fog. Isolated Showers after midnight. Lows in the upper 40s. Northwest wind 15 Mph.

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Brother Islands Temperature Statistics

July Temperature

Port Heiden, Port Heiden Airport (70.8 miles)

  • Lowest 8 July, 2025

    43 °F

  • Average July

    53.8 °F

  • Highest 19 July, 2025

    68 °F

Climate (2020–Present)

Port Heiden, Port Heiden Airport (70.8 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    38.5 °F

  • Average High 2020–2025

    43.5 °F
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