Potosi Weather Forecast

    • 27
    • 44

    Mostly Sunny

    • 33
    • 53

    Chance Rain

    • 25
    • 44

    Chance Rain

    • 32
    • 38

    Mostly Cloudy

    • 23
    • 51

    Mostly Cloudy

    • 16
    • 33

    Mostly Cloudy

Today 29 Jan Grant

Mostly sunny. Highs in the lower 40s. West Winds 10 to 15 Mph.

Tonight 29 Jan Grant

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 20s. South Winds 5 to 10 Mph.

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Potosi Temperature Statistics

January Temperature

Platteville Municipal Airport (13.7 miles)

  • Lowest 21 January, 2025

    -15 °F

  • Average January

    17 °F

  • Highest 17 January, 2025

    50 °F

Climate (2020–Present)

Platteville Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.2 °F
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