Winthrop Weather Forecast

    • 37
    • 58

    Mostly Sunny

    • 47
    • 66

    Chance Rain Showers

    • 43
    • 64

    Chance Rain Showers

    • 41
    • 64

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 59
    • 79

    Slight Chance Rain Showers

Today 29 Apr Sibley

Cooler, sunny. Highs in the upper 50s. Northwest Winds 15 to 20 Mph decreasing to 5 to 15 Mph in the afternoon.

Tonight 29 Apr Sibley

Clear. Lows in the upper 30s. West Winds up to 5 Mph shifting to the southeast after midnight.

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Winthrop Temperature Statistics

April Temperature

New Ulm Municipal Airport (16.2 miles)

  • Lowest 8 April, 2025

    17.6 °F

  • Average April

    45.3 °F

  • Highest 17 April, 2025

    84.2 °F

Climate (2020–Present)

New Ulm Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    56.4 °F
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