Grant River Recreation Area Weather Forecast

    • 35
    • 55

    Decreasing Clouds

    • 33
    • 52

    Partly Sunny

    • 42
    • 58

    Partly Sunny

    • 46
    • 67

    Slight Chance Rain Showers

    • 44
    • 74

    Chance Rain Showers

    • 40
    • 62

    Chance Rain Showers

    • 38
    • 57

    Partly Sunny

Today 30 Apr Grant

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the mid 50s. Northwest Winds 5 to 10 Mph.

Tonight 30 Apr Grant

Mostly cloudy this Evening, then clearing. Areas of frost after midnight. Lows in the mid 30s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant River Recreation Area Temperature Statistics

April Temperature

Platteville Municipal Airport (13 miles)

  • Lowest 7 April, 2026

    23.5 °F

  • Average April

    48.4 °F

  • Highest 17 April, 2026

    78.1 °F

Climate (2021–Present)

Platteville Municipal Airport (13 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    58.7 °F
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