Grant River Recreation Area Weather Forecast

    • -16
    • 18

    Chance Flurries

    • -8
    • -6

    Cold

    • -6
    • 2

    Cold

    • -8
    • 9

    Slight Chance Snow

    • 0
    • 9

    Cold

    • 3
    • 19

    Mostly Cloudy

Today 22 Jan Grant

Partly sunny with a chance of Flurries. Highs around 17. Temperature falling to around 9 above in the afternoon. West Winds 10 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 15 below in the afternoon.

Tonight 22 Jan Grant

Partly cloudy. Much Colder with Lows around 18 below. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 40 below after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant River Recreation Area Temperature Statistics

January Temperature

Platteville Municipal Airport (13 miles)

  • Lowest 19 January, 2026

    -5.8 °F

  • Average January

    25.6 °F

  • Highest 8 January, 2026

    55.4 °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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