Granite Island Weather Forecast

    • 50
    • 56

    Rain Showers

    • 50
    • 56

    Rain Likely

    • 51
    • 54

    Rain

    • 50
    • 54

    Rain

    • 50
    • 55

    Rain

    • 49
    • 54

    Chance Rain

Today 16 Sep Southern Kenai Mtns

Widespread Showers. Highs in the 50s. East wind 10 to 20 Mph with Gusts to 30 Mph.

Tonight 16 Sep Southern Kenai Mtns

Numerous rain Showers in the Evening, then scattered rain Showers after midnight. Lows in the mid 40s to lower 50s. Northeast wind 10 to 20 Mph. Gusts to 30 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Granite Island Temperature Statistics

September Temperature

Seward (34.2 miles)

  • Lowest 13 September, 2025

    43 °F

  • Average September

    53 °F

  • Highest 5 September, 2025

    63 °F

Climate (2020–Present)

Seward (34.2 miles)

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

  • Average Low 2020–2025

    35.1 °F

  • Average 2020–2025

    40.5 °F

  • Average High 2020–2025

    46 °F
Get WillyWeather+ to remove ads