Gilman Lake Weather Forecast

    • 64
    • 87

    Chance Thunderstorms

    • 59
    • 91

    Slight Chance Thunderstorms

    • 58
    • 88

    Mostly Sunny

    • 57
    • 88

    Partly Sunny

    • 56
    • 87

    Partly Sunny

    • 55
    • 84

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

Today 26 May Brown

Mostly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the lower 90s. South Winds 5 to 15 Mph.

Tonight 26 May Brown

Increasing Clouds. Slight chance of Thunderstorms in the late evening and early Morning, then chance of Thunderstorms early in the morning. Lows in the mid 60s. East Winds up to 5 Mph shifting to the southeast after midnight. Chance of Thunderstorms 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gilman Lake Temperature Statistics

May Temperature

New Ulm Municipal Airport (12.4 miles)

  • Lowest 5 May, 2026

    30.2 °F

  • Average May

    56.6 °F

  • Highest 15 May, 2026

    89.6 °F

Climate (2021–Present)

New Ulm Municipal Airport (12.4 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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