Redwyn Dunes Nature Sanctuary Weather Forecast

    • 61
    • 73

    Slight Chance Rain Showers

    • 61
    • 72

    Mostly Cloudy

    • 62
    • 75

    Chance Thunderstorms

    • 61
    • 77

    Chance Rain Showers

    • 60
    • 69

    Chance Rain Showers

    • 60
    • 71

    Chance Rain Showers

Today 3 Sep Keweenaw

Mostly sunny. Highs in the lower 70s. Light northeast Winds, becoming east 5 to 10 Mph in the afternoon.

Tonight 3 Sep Keweenaw

Mostly cloudy. Patchy fog after midnight. Lows 57 to 62. East Winds 5 to 10 Mph.

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Redwyn Dunes Nature Sanctuary Temperature Statistics

September Temperature

Copper Harbor (16.2 miles)

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  • Average September

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Climate (2021–2026)

Copper Harbor (16.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    50.5 °F
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