Brother Islands Weather Forecast

    • 53
    • 55

    Rain

    • 51
    • 55

    Rain Showers

    • 52
    • 53

    Mostly Sunny

    • 52
    • 54

    Rain Likely

    • 50
    • 54

    Rain Likely

    • 49
    • 54

    Chance Rain

Today 6 Sep Chignik

Rain. Highs in the upper 50s. South wind 10 to 25 Mph.

Tonight 6 Sep Chignik

Rain. Lows in the lower 50s. South wind 10 to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Brother Islands Temperature Statistics

September Temperature

Port Heiden, Port Heiden Airport (70.8 miles)

  • Lowest 4 September, 2025

    46 °F

  • Average September

    56 °F

  • Highest 1 September, 2025

    64 °F

Climate (2020–Present)

Port Heiden, Port Heiden Airport (70.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    38.6 °F

  • Average High 2020–2025

    43.6 °F
Get WillyWeather+ to remove ads