Lake Upson Weather Forecast

    • 28
    • 35

    Mostly Cloudy

    • 24
    • 35

    Chance Rain/Snow

    • 22
    • 29

    Mostly Cloudy

    • 25
    • 32

    Mostly Cloudy

    • 18
    • 35

    Slight Chance Snow Showers

    • 22
    • 31

    Chance Rain/Snow

Today 20 Mar Keweenaw

Partly cloudy. Highs in the mid 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west in the afternoon.

Tonight 20 Mar Keweenaw

Partly cloudy in the Evening, then becoming cloudy. Lows around 27. Light west Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Upson Temperature Statistics

March Temperature

Copper Harbor (7.5 miles)

  • Lowest 1 March, 2026

    1 °F

  • Average March

    27.6 °F

  • Highest 9 March, 2026

    51.1 °F

Climate (2021–Present)

Copper Harbor (7.5 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    50.9 °F
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