Winthrop Weather Forecast

    • 77
    • 91

    Becoming Sunny

    • 78
    • 98

    Hot

    • 66
    • 95

    Breezy

    • 58
    • 79

    Rain Showers Likely

    • 59
    • 71

    Rain Showers

    • 61
    • 72

    Rain Showers Likely

Today 20 Jun Sibley

Mostly sunny. A 50 percent chance of Thunderstorms early in the morning. Some Thunderstorms may be severe. Highs around 90. South Winds 5 to 15 Mph.

Tonight 20 Jun Sibley

Warmer. Mostly clear. Lows in the upper 70s. South Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Winthrop Temperature Statistics

June Temperature

New Ulm Municipal Airport (16.2 miles)

  • Lowest 10 June, 2025

    46.4 °F

  • Average June

    65.4 °F

  • Highest 2 June, 2025

    91.4 °F

Climate (2020–Present)

New Ulm Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    56.4 °F
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