Grant River Recreation Area Weather Forecast

    • 48
    • 63

    Mostly Cloudy

    • 54
    • 67

    Mostly Cloudy

    • 55
    • 72

    Rain Showers Likely

    • 50
    • 71

    Chance Rain Showers

    • 53
    • 69

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 26 Oct Grant

Mostly cloudy. A slight chance of Showers Early, then a slight chance of Sprinkles this afternoon. Cooler with Highs in the lower 60s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Oct Grant

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

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Grant River Recreation Area Temperature Statistics

October Temperature

Platteville Municipal Airport (13 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    58.4 °F

  • Highest 12 October, 2026

    85.1 °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

    58.8 °F
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