Harbor Island Weather Forecast

    • 40
    • 44

    Mostly Cloudy

    • 41
    • 44

    Rain Showers

    • 42
    • 45

    Rain Showers

    • 42
    • 46

    Chance Rain Showers

    • 43
    • 47

    Slight Chance Rain Showers

    • 47
    • 51

    Partly Sunny

    • 47
    • 53

    Partly Sunny

Today 28 May Southern Kenai Mtns

Partly sunny with scattered rain Showers. Highs in the upper 40s. Light Winds becoming variable 10 Mph in the afternoon.

Tonight 28 May Southern Kenai Mtns

Mostly cloudy. Lows in the mid 30s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harbor Island Temperature Statistics

May Temperature

Seward (31.7 miles)

  • Lowest 24 May, 2026

    30.9 °F

  • Average May

    41.8 °F

  • Highest 25 May, 2026

    55 °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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