Rock Harbor Weather Forecast

    • 53
    • 71

    Partly Sunny

    • 63
    • 80

    Slight Chance Thunderstorms

    • 67
    • 90

    Mostly Sunny

    • 61
    • 91

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 56
    • 73

    Partly Sunny

Today 11 Jul Keweenaw

Sunny. Highs around 80. Southwest Winds 5 to 10 Mph, becoming south this afternoon.

Tonight 11 Jul Keweenaw

A slight chance of Showers after midnight. Mostly clear. Lows 55 to 60 inland to around 66 at the shore. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Harbor Temperature Statistics

July Temperature

Copper Harbor (54.1 miles)

  • Lowest 9 July, 2026

    48.9 °F

  • Average July

    60.1 °F

  • Highest 2 July, 2026

    78.1 °F

Climate (2021–2026)

Copper Harbor (54.1 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    50.7 °F
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