Harbor Island Weather Forecast

    • 47
    • 54

    Mostly Cloudy

    • 47
    • 54

    Rain

    • 48
    • 54

    Rain Showers

    • 46
    • 54

    Rain Showers

    • 46
    • 52

    Rain Showers Likely

    • 47
    • 53

    Slight Chance Rain Showers

    • 48
    • 56

    Partly Sunny

Today 11 Jun Southern Kenai Mtns

Partly cloudy. A chance of Showers in the afternoon. Highs in the mid 60s. Light Winds becoming variable 10 Mph in the afternoon.

Tonight 11 Jun Southern Kenai Mtns

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. Variable wind 10 Mph in the evening becoming light.

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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

    52.1 °F

  • Highest 4 June, 2026

    79 °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

    45.7 °F
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