Lake Whittlesey Weather Forecast

    • 47
    • 67

    Increasing Clouds

    • 49
    • 64

    Partly Sunny

    • 53
    • 67

    Chance Rain Showers

    • 55
    • 73

    Rain Showers Likely

    • 55
    • 68

    Chance Thunderstorms

    • 55
    • 68

    Chance Rain Showers

Today 26 Jun Keweenaw

Mostly sunny. Highs in the lower 70s. Light northwest Winds, becoming south in the afternoon.

Tonight 26 Jun Keweenaw

Partly cloudy. Lows 46 to 51 inland to around 53 at the shore. Light southeast Winds.

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Lake Whittlesey Temperature Statistics

June Temperature

Copper Harbor (53.4 miles)

  • Lowest 18 June, 2026

    43 °F

  • Average June

    56.7 °F

  • Highest 2 June, 2026

    75.9 °F

Climate (2021–2026)

Copper Harbor (53.4 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    50.7 °F
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