Agate Harbor Weather Forecast

    • 58
    • 74

    Mostly Cloudy

    • 50
    • 72

    Rain Showers

    • 50
    • 62

    Partly Sunny

    • 52
    • 63

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 51
    • 65

    Partly Sunny

Today 4 Jul Keweenaw

Partly cloudy with a slight chance of Thunderstorms. A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Very warm with Highs in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 4 Jul Keweenaw

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the Evening, then a chance of Thunderstorms after midnight. Lows 55 to 60 inland to around 65 at the shore. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 30 percent.

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Agate Harbor Temperature Statistics

July Temperature

Copper Harbor (8.7 miles)

  • Lowest 1 July, 2025

    57.9 °F
  • Average July

    65.9 °F
  • Highest 1 July, 2025

    75 °F

Climate (2020–Present)

Copper Harbor (8.7 miles)

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  • Average Low 2020–2025

    38.5 °F
  • Average 2020–2025

    44.6 °F
  • Average High 2020–2025

    50.8 °F
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