Grant County Fairgrounds Weather Forecast

    • 50
    • 61

    Mostly Cloudy

    • 44
    • 54

    Rain Showers

    • 32
    • 54

    Partly Sunny

    • 40
    • 57

    Sunny

    • 44
    • 63

    Partly Sunny

    • 44
    • 66

    Partly Sunny

    • 49
    • 68

    Mostly Sunny

Today 14 Oct Grant

Mostly sunny. Highs around 70.

Tonight 14 Oct Grant

Mostly cloudy. Lows in the upper 40s. East Winds 5 to 10 Mph.

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Grant County Fairgrounds Temperature Statistics

October Temperature

Platteville Municipal Airport (16.8 miles)

  • Lowest 5 October, 2026

    43.7 °F

  • Average October

    60.5 °F

  • Highest 12 October, 2026

    85.1 °F

Climate (2021–2026)

Platteville Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.7 °F
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