Granite Island Weather Forecast

    • 52
    • 58

    Rain

    • 50
    • 57

    Rain

    • 50
    • 56

    Chance Rain Showers

    • 49
    • 54

    Rain Showers Likely

    • 49
    • 54

    Chance Rain Showers

    • 49
    • 53

    Rain Showers

Today 14 Sep Southern Kenai Mtns

Partly cloudy. A slight chance of rain in the afternoon. Highs in the lower 60s. Variable wind 10 Mph in the morning becoming light.

Tonight 14 Sep Southern Kenai Mtns

Cloudy with a chance of rain. Lows in the upper 40s. Variable wind 10 Mph. Gusts to 20 Mph after midnight.

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Granite Island Temperature Statistics

September Temperature

Seward (34.2 miles)

  • Lowest 4 September, 2026

    39 °F

  • Average September

    55.1 °F

  • Highest 10 September, 2026

    66.9 °F

Climate (2021–2026)

Seward (34.2 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    40.2 °F

  • Average High 2021–2026

    45.6 °F
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