Harbor Island Weather Forecast

    • 51
    • 56

    Rain

    • 50
    • 54

    Rain

    • 50
    • 53

    Rain Likely

    • 50
    • 55

    Rain Likely

    • 50
    • 54

    Chance Rain

    • 49
    • 54

    Chance Rain

Today 17 Sep Southern Kenai Mtns

Sunny. Patchy fog in the morning. Highs in the mid 50s to lower 60s. Northwest wind 15 Mph.

Tonight 17 Sep Southern Kenai Mtns

Partly cloudy in the Evening, then cloudy with scattered rain Showers after midnight. Lows in the 40s. Variable wind 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Harbor Island Temperature Statistics

September Temperature

Seward (31.7 miles)

  • Lowest 13 September, 2025

    43 °F

  • Average September

    52.8 °F

  • Highest 5 September, 2025

    63 °F

Climate (2020–Present)

Seward (31.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    35.1 °F

  • Average 2020–2025

    40.5 °F

  • Average High 2020–2025

    46 °F
Get WillyWeather+ to remove ads