Flandrau State Park Weather Forecast

    • 64
    • 83

    Rain Showers Likely

    • 62
    • 80

    Rain Showers Likely

    • 60
    • 74

    Rain Showers Likely

    • 60
    • 76

    Slight Chance Thunderstorms

    • 60
    • 79

    Slight Chance Thunderstorms

    • 56
    • 81

    Slight Chance Thunderstorms

Today 17 Sep Brown

Partly sunny. Patchy fog early in the morning. Slight chance of Showers early in the morning. Slight chance of Thunderstorms late in the Morning, then chance of Thunderstorms in the afternoon. Highs in the lower 80s. South Winds up to 5 Mph. Chance of precipitation 50 percent.

Tonight 17 Sep Brown

Mostly cloudy. Showers likely and chance of Thunderstorms in the Evening, then chance of Thunderstorms after midnight. Lows in the mid 60s. East Winds up to 5 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flandrau State Park Temperature Statistics

September Temperature

New Ulm Municipal Airport (2.5 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    63.2 °F

  • Highest 13 September, 2025

    87.8 °F

Climate (2020–Present)

New Ulm Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.5 °F
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