Gilman Lake Weather Forecast

    • 56
    • 77

    Mostly Cloudy

    • 43
    • 64

    Partly Sunny

    • 45
    • 61

    Partly Sunny

    • 49
    • 63

    Chance Rain Showers

    • 41
    • 64

    Mostly Sunny

    • 49
    • 62

    Mostly Sunny

    • 54
    • 69

    Partly Sunny

Today 30 Sep Brown

Sunny. Highs around 70.

Tonight 30 Sep Brown

Mostly cloudy. Lows in the mid 50s. Southwest Winds up to 5 Mph shifting to the northwest after midnight.

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Gilman Lake Temperature Statistics

September Temperature

New Ulm Municipal Airport (12.4 miles)

  • Lowest 16 September, 2026

    46.4 °F

  • Average September

    65.7 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

New Ulm Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    57 °F
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