Gilman Lake Weather Forecast

    • 59
    • 80

    Slight Chance Rain Showers

    • 61
    • 84

    Chance Thunderstorms

    • 61
    • 83

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 62
    • 82

    Slight Chance Thunderstorms

Today 19 Aug Brown

Mostly sunny. A 20 percent chance of Showers early in the morning. Highs around 80. South Winds up to 5 Mph.

Tonight 19 Aug Brown

Clear. Lows in the upper 50s. South Winds up to 10 Mph.

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  • Temperature Real-Time

Gilman Lake Temperature Statistics

August Temperature

New Ulm Municipal Airport (12.4 miles)

  • Lowest 5 August, 2026

    53.6 °F

  • Average August

    71.7 °F

  • Highest 3 August, 2026

    84.2 °F

Climate (2021–2026)

New Ulm Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    57 °F
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