Grant River Recreation Area Weather Forecast

    • 62
    • 83

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

    • 64
    • 83

    Chance Rain Showers

    • 63
    • 82

    Slight Chance Thunderstorms

    • 64
    • 84

    Partly Sunny

Today 6 Jul Grant

Areas of fog in the morning. Mostly sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 6 Jul Grant

Mostly clear. Areas of fog. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Grant River Recreation Area Temperature Statistics

July Temperature

Platteville Municipal Airport (13 miles)

  • Lowest 2 July, 2026

    69.4 °F

  • Average July

    79.2 °F

  • Highest 1 July, 2026

    89.8 °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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