Grant River Recreation Area Weather Forecast

    • 64
    • 85

    Becoming Sunny

    • 57
    • 78

    Rain Showers Likely

    • 52
    • 68

    Rain Showers

    • 46
    • 65

    Rain Showers Likely

    • 34
    • 55

    Breezy

    • 39
    • 56

    Mostly Sunny

Today 12 Oct Grant

Mostly sunny. Highs in the mid 80s. South Winds 10 to 15 Mph.

Tonight 12 Oct Grant

Partly cloudy. Lows in the lower 60s. Southwest Winds 10 to 15 Mph, becoming west after midnight.

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Grant River Recreation Area Temperature Statistics

October Temperature

Platteville Municipal Airport (13 miles)

  • Lowest 5 October, 2026

    43.7 °F

  • Average October

    58.7 °F

  • Highest 10 October, 2026

    83.7 °F

Climate (2021–2026)

Platteville Municipal Airport (13 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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