Lake Upson Weather Forecast

    • 33
    • 53

    Slight Chance Rain Showers

    • 33
    • 42

    Partly Sunny

    • 33
    • 42

    Partly Sunny

    • 34
    • 42

    Partly Sunny

    • 34
    • 44

    Partly Sunny

    • 36
    • 46

    Partly Sunny

Today 4 May Keweenaw

Partly cloudy. A chance of rain Showers early this morning. Breezy with Highs in the mid 50s. Temperature falling into the middle 40s this afternoon. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 30 percent.

Tonight 4 May Keweenaw

Partly cloudy. Lows around 33. West Winds 10 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

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Lake Upson Temperature Statistics

May Temperature

Copper Harbor (7.5 miles)

  • Lowest

  • Average May

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Climate (2021–Present)

Copper Harbor (7.5 miles)

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  • Average Low 2021–2026

    38.5 °F
  • Average 2021–2026

    44.6 °F
  • Average High 2021–2026

    50.8 °F
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