Winthrop Weather Forecast

    • 36
    • 62

    Mostly Sunny

    • 34
    • 61

    Mostly Sunny

    • 49
    • 68

    Chance Rain Showers

    • 44
    • 75

    Breezy

    • 44
    • 70

    Mostly Sunny

    • 53
    • 78

    Chance Rain Showers

    • 54
    • 85

    Partly Sunny

Today 9 May Sibley

Cooler, sunny. Near steady temperature around 60. Northwest Winds 15 to 20 Mph.

Tonight 9 May Sibley

Colder. Mostly clear. Lows in the mid 30s. Northwest Winds 5 to 15 Mph with Gusts to around 30 Mph decreasing to up to 5 Mph after midnight.

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Winthrop Temperature Statistics

May Temperature

New Ulm Municipal Airport (16.2 miles)

  • Lowest 5 May, 2026

    30.2 °F

  • Average May

    49.5 °F

  • Highest 2 May, 2026

    69.8 °F

Climate (2021–Present)

New Ulm Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    57 °F
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