Winthrop Weather Forecast

    • 58
    • 79

    Rain Showers

    • 53
    • 76

    Isolated Thunderstorms

    • 55
    • 75

    Partly Sunny

    • 62
    • 77

    Slight Chance Thunderstorms

    • 69
    • 84

    Rain Showers Likely

    • 70
    • 91

    Slight Chance Thunderstorms

    • 68
    • 92

    Chance Thunderstorms

Today 23 Jun Sibley

Mostly cloudy. Chance of Thunderstorms early in the Afternoon, then Showers and chance of Thunderstorms late in the afternoon. Near steady temperature in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of precipitation 80 percent.

Tonight 23 Jun Sibley

Mostly cloudy. Rain Showers early in the evening. Chance of Thunderstorms in the Evening, then slight chance of Thunderstorms after midnight. Lows in the upper 50s. Southwest Winds up to 10 Mph. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winthrop Temperature Statistics

June Temperature

New Ulm Municipal Airport (16.2 miles)

  • Lowest 15 June, 2026

    48.2 °F

  • Average June

    69.5 °F

  • Highest 9 June, 2026

    89.6 °F

Climate (2021–2026)

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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