Upson Lake Nature Sanctuary Weather Forecast

    • 66
    • 76

    Rain Showers Likely

    • 60
    • 80

    Rain Showers

    • 60
    • 76

    Slight Chance Thunderstorms

    • 62
    • 79

    Partly Sunny

    • 63
    • 82

    Slight Chance Thunderstorms

    • 61
    • 82

    Chance Rain Showers

Today 22 Jul Keweenaw

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Near steady temperature in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 22 Jul Keweenaw

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows around 61 inland to around 67 at the shore. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upson Lake Nature Sanctuary Temperature Statistics

July Temperature

Copper Harbor (8.1 miles)

  • Lowest 7 July, 2025

    49.6 °F

  • Average July

    64.5 °F

  • Highest 13 July, 2025

    85.6 °F

Climate (2020–Present)

Copper Harbor (8.1 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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