Harbor Island National Wildlife Refuge Weather Forecast

    • 63
    • 71

    Increasing Clouds

    • 65
    • 69

    Rain Likely

    • 59
    • 70

    Chance Rain Showers

    • 55
    • 63

    Mostly Sunny

    • 60
    • 65

    Partly Sunny

    • 59
    • 67

    Mostly Cloudy

Today 7 Sep Southeast Chippewa

Partly sunny. Highs in the mid 70s. Light Winds.

Tonight 7 Sep Southeast Chippewa

Partly cloudy early then becoming mostly cloudy. Lows in the lower 60s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harbor Island National Wildlife Refuge Temperature Statistics

September Temperature

Drummond Island Airport (3.7 miles)

  • Lowest 4 September, 2026

    53.6 °F

  • Average September

    66.4 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Drummond Island Airport (3.7 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    52.6 °F
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