Harbor Island Weather Forecast

    • 21
    • 25

    Partly Sunny

    • 19
    • 24

    Blustery

    • 21
    • 26

    Mostly Sunny

    • 24
    • 27

    Partly Sunny

    • 25
    • 29

    Mostly Sunny

    • 26
    • 29

    Partly Sunny

    • 26
    • 31

    Mostly Cloudy

Today 9 Mar Southern Kenai Mtns

Partly cloudy. Highs around 14. Northwest wind 10 to 20 Mph.

Tonight 9 Mar Southern Kenai Mtns

Mostly clear. Lows 3 below to 9 below. Northwest wind 10 to 20 Mph.

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Harbor Island Temperature Statistics

March Temperature

Seward (31.7 miles)

  • Lowest 1 March, 2026

    1.9 °F

  • Average March

    17.8 °F

  • Highest 6 March, 2026

    37 °F

Climate (2021–Present)

Seward (31.7 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    40.3 °F

  • Average High 2021–2026

    45.8 °F
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