Potosi Weather Forecast

    • 67
    • 90

    Sunny

    • 69
    • 93

    Sunny

    • 71
    • 94

    Mostly Sunny

    • 72
    • 93

    Mostly Sunny

    • 72
    • 92

    Slight Chance Thunderstorms

    • 68
    • 90

    Slight Chance Thunderstorms

    • 65
    • 86

    Mostly Sunny

Today 13 Jul Grant

Sunny, hot with Highs in the lower 90s. West Winds 5 to 10 Mph.

Tonight 13 Jul Grant

Clear. Lows in the upper 60s. West Winds around 5 Mph. Heat index Values in the mid 90s early this evening.

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Potosi Temperature Statistics

July Temperature

Platteville Municipal Airport (13.7 miles)

  • Lowest 7 July, 2026

    61.2 °F

  • Average July

    77 °F

  • Highest 1 July, 2026

    89.8 °F

Climate (2021–2026)

Platteville Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.8 °F
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