Grant River Recreation Area Weather Forecast

    • 34
    • 47

    Rain

    • 28
    • 43

    Windy

    • 32
    • 40

    Rain/Snow

    • 12
    • 40

    Rain/Snow

    • 0
    • 19

    Partly Sunny

    • 13
    • 24

    Chance Snow

Today 12 Mar Grant

Mostly sunny Early, then mostly cloudy with a chance of rain this afternoon. Highs in the upper 40s. Southwest Winds 10 to 20 Mph. Gusts up to 30 Mph this afternoon. Chance of rain 30 percent.

Tonight 12 Mar Grant

Rain, windy with Lows in the lower 30s. South Winds 20 to 25 Mph with Gusts up to 45 Mph, becoming southwest 20 to 30 Mph with Gusts up to 55 Mph after midnight. Chance of rain 90 percent.

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Grant River Recreation Area Temperature Statistics

March Temperature

Platteville Municipal Airport (13 miles)

  • Lowest 1 March, 2026

    13.1 °F

  • Average March

    41.1 °F

  • Highest 9 March, 2026

    69.1 °F

Climate (2021–Present)

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

    58.7 °F
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