Redwyn Dunes Nature Sanctuary Weather Forecast

    • 62
    • 70

    Chance Rain Showers

    • 61
    • 71

    Slight Chance Rain Showers

    • 58
    • 68

    Partly Sunny

    • 58
    • 67

    Partly Sunny

    • 61
    • 71

    Mostly Cloudy

    • 62
    • 73

    Chance Rain Showers

Today 20 Aug Keweenaw

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Highs in the lower 70s. Temperature falling into the middle 60s in the afternoon. Light west Winds, becoming southeast 5 to 10 Mph in the afternoon. Chance of rain 50 percent.

Tonight 20 Aug Keweenaw

A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Mostly cloudy. Lows around 60. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Redwyn Dunes Nature Sanctuary Temperature Statistics

August Temperature

Copper Harbor (16.2 miles)

  • Lowest 1 August, 2026

    53.1 °F

  • Average August

    64.2 °F

  • Highest 6 August, 2026

    81 °F

Climate (2021–2026)

Copper Harbor (16.2 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    50.6 °F
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