Lake Upson Weather Forecast

    • 58
    • 71

    Gradual Clearing

    • 60
    • 73

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

    • 59
    • 75

    Slight Chance Rain Showers

    • 60
    • 70

    Partly Sunny

    • 64
    • 74

    Partly Sunny

Today 1 Aug Keweenaw

Patchy fog in the morning. Mostly cloudy with a slight chance of Showers in the Morning, then mostly sunny in the afternoon. Highs 71 to 76 inland to around 68 at the shore. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 1 Aug Keweenaw

Mostly clear. Lows 59 to 64 inland to around 57 at the shore. North Winds 5 to 10 Mph, becoming northeast after midnight.

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Lake Upson Temperature Statistics

August Temperature

Copper Harbor (7.5 miles)

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Climate (2021–2026)

Copper Harbor (7.5 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    50.6 °F
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