Flandrau State Park Weather Forecast

    • 63
    • 85

    Chance Thunderstorms

    • 62
    • 81

    Mostly Sunny

    • 64
    • 82

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 66
    • 84

    Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

Today 5 Jul Brown

Mostly cloudy with a 50 percent chance of Thunderstorms. Near steady temperature around 80. Northwest Winds 5 to 15 Mph.

Tonight 5 Jul Brown

Mostly cloudy with chance of Thunderstorms early in the Evening, then mostly cloudy with slight chance of Thunderstorms late in the evening. Mostly clear after midnight. Lows in the lower 60s. Northwest Winds 5 to 15 Mph. Chance of Thunderstorms 50 percent.

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Flandrau State Park Temperature Statistics

July Temperature

New Ulm Municipal Airport (2.5 miles)

  • Lowest 1 July, 2025

    60.8 °F

  • Average July

    76.1 °F

  • Highest 3 July, 2025

    91.4 °F

Climate (2020–Present)

New Ulm Municipal Airport (2.5 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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