Harbor Island Weather Forecast

    • 45
    • 62

    Mostly Sunny

    • 44
    • 53

    Mostly Cloudy

    • 45
    • 50

    Slight Chance Rain Showers

    • 45
    • 49

    Slight Chance Rain Showers

    • 45
    • 49

    Mostly Cloudy

    • 46
    • 49

    Partly Sunny

    • 45
    • 49

    Mostly Cloudy

Today 4 Jun Southern Kenai Mtns

Sunny. Highs in the lower 70s. North wind 15 Mph.

Tonight 4 Jun Southern Kenai Mtns

Clear. Lows in the lower 40s. North wind 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harbor Island Temperature Statistics

June Temperature

Seward (31.7 miles)

  • Lowest 2 June, 2026

    37.9 °F

  • Average June

    48.7 °F

  • Highest 2 June, 2026

    60.1 °F

Climate (2021–Present)

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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