Armstrong Lake Weather Forecast

    • 40
    • 75

    Thunderstorms Likely

    • 20
    • 40

    Chance Rain/Snow

    • 26
    • 43

    Mostly Sunny

    • 38
    • 58

    Mostly Sunny

    • 28
    • 63

    Snow Likely

    • 23
    • 39

    Snow Likely

Today 14 Mar Blue Earth

Breezy. Partly sunny. Highs in the mid 70s. Southeast Winds 15 to 25 Mph.

Tonight 14 Mar Blue Earth

Colder. Mostly cloudy. Thunderstorms likely in the Evening, then chance of Thunderstorms after midnight. Lows in the lower 40s. Southeast Winds 10 to 20 Mph. Chance of Thunderstorms 70 percent.

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Armstrong Lake Temperature Statistics

March Temperature

New Ulm Municipal Airport (13.7 miles)

  • Lowest 1 March, 2025

    12.2 °F

  • Average March

    35.5 °F

  • Highest 10 March, 2025

    71.6 °F

Climate (2020–Present)

New Ulm Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.3 °F
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