Harbor Island Weather Forecast

    • 52
    • 55

    Mostly Sunny

    • 50
    • 54

    Slight Chance Rain

    • 50
    • 53

    Mostly Cloudy

    • 50
    • 54

    Partly Sunny

    • 49
    • 56

    Partly Sunny

    • 51
    • 56

    Partly Sunny

    • 51
    • 58

    Mostly Cloudy

Today 25 Jun Southern Kenai Mtns

Partly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s to lower 70s. Northwest wind 10 to 15 Mph.

Tonight 25 Jun Southern Kenai Mtns

Mostly clear. Lows in the upper 40s. Northwest wind 10 to 15 Mph.

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Harbor Island Temperature Statistics

June Temperature

Seward (31.7 miles)

  • Lowest 2 June, 2026

    37.9 °F

  • Average June

    51.1 °F

  • Highest 4 June, 2026

    79 °F

Climate (2021–2026)

Seward (31.7 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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