Grant River Recreation Area Weather Forecast

    • 62
    • 82

    Mostly Sunny

    • 63
    • 83

    Rain Showers

    • 58
    • 76

    Rain Showers Likely

    • 60
    • 79

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 67
    • 84

    Slight Chance Thunderstorms

Today 3 Aug Grant

Mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 3 Aug Grant

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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Grant River Recreation Area Temperature Statistics

August Temperature

Platteville Municipal Airport (13 miles)

  • Lowest

  • Average August

  • Highest

Climate (2021–2026)

Platteville Municipal Airport (13 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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