Rock Harbor Weather Forecast

    • 62
    • 72

    Smoke

    • 63
    • 76

    Rain Showers

    • 58
    • 76

    Partly Sunny

    • 60
    • 74

    Mostly Sunny

    • 59
    • 74

    Slight Chance Thunderstorms

    • 58
    • 72

    Slight Chance Rain Showers

Today 19 Jul Keweenaw

Warm. Areas of smoke. A slight chance of Showers in the afternoon. Partly cloudy. Highs 78 to 83. South Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of rain 20 percent.

Tonight 19 Jul Keweenaw

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly cloudy with Showers likely with a chance of Thunderstorms after midnight. Areas of smoke. Lows 61 to 66 inland to around 70 at the shore. South Winds 5 to 10 Mph, becoming southwest with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Rock Harbor Temperature Statistics

July Temperature

Copper Harbor (54.1 miles)

  • Lowest 9 July, 2026

    48.9 °F

  • Average July

    63.8 °F

  • Highest 13 July, 2026

    84 °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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