Harbor Island Weather Forecast

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    Rain Showers

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    • 47

    Rain Showers

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    Rain Likely

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    Rain Likely

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    Chance Rain

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    Rain Likely

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    Rain Likely

Today 22 Oct Southern Kenai Mtns

Widespread rain Showers. Highs in the 40s. North wind 25 to 40 Mph. Gusts to 45 Mph increasing to 55 Mph in the afternoon.

Tonight 22 Oct Southern Kenai Mtns

Rain Showers. Locally heavy rainfall possible in the evening. Lows in the mid 30s to lower 40s. East wind 10 to 25 Mph. Gusts to 45 Mph decreasing to 35 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harbor Island Temperature Statistics

October Temperature

Seward (31.7 miles)

  • Lowest 19 October, 2025

    32 °F
  • Average October

    45.6 °F
  • Highest 2 October, 2025

    57.9 °F

Climate (2020–Present)

Seward (31.7 miles)

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  • Average Low 2020–2025

    35.1 °F
  • Average 2020–2025

    40.5 °F
  • Average High 2020–2025

    46 °F
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