Grant River Recreation Area Weather Forecast

    • 47
    • 72

    Becoming Sunny

    • 45
    • 79

    Chance Thunderstorms

    • 36
    • 56

    Mostly Cloudy

    • 37
    • 55

    Mostly Cloudy

    • 39
    • 60

    Slight Chance Thunderstorms

    • 42
    • 62

    Partly Sunny

    • 47
    • 68

    Partly Sunny

Today 3 May Grant

Mostly sunny. Warmer with Highs around 70. West Winds 10 to 15 Mph.

Tonight 3 May Grant

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 40s. West Winds 5 to 10 Mph, becoming southwest after midnight.

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Grant River Recreation Area Temperature Statistics

May Temperature

Platteville Municipal Airport (13 miles)

  • Lowest

  • Average May

  • Highest

Climate (2021–Present)

Platteville Municipal Airport (13 miles)

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  • Average Low 2021–2026

    40.7 °F
  • Average 2021–2026

    49.8 °F
  • Average High 2021–2026

    58.7 °F
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