Grant River Recreation Area Weather Forecast

    • 70
    • 86

    Rain Showers Likely

    • 58
    • 82

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 66
    • 85

    Mostly Sunny

Today 20 Jul Grant

Partly sunny with a chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Areas of smoke. Humid with Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 20 Jul Grant

Partly cloudy. Areas of smoke. Lows in the mid 60s. Light Winds.

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Grant River Recreation Area Temperature Statistics

July Temperature

Platteville Municipal Airport (13 miles)

  • Lowest 7 July, 2026

    61.2 °F
  • Average July

    78.3 °F
  • Highest 15 July, 2026

    90.9 °F

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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