Armstrong Lake Weather Forecast

    • 29
    • 43

    Becoming Sunny

    • 27
    • 54

    Mostly Sunny

    • 24
    • 39

    Partly Sunny

    • 30
    • 42

    Slight Chance Snow

    • 13
    • 46

    Mostly Cloudy

    • 9
    • 21

    Mostly Cloudy

    • 7
    • 20

    Mostly Cloudy

Today 29 Jan Blue Earth

Colder. Mostly sunny. Highs in the lower 40s. West Winds 5 to 15 Mph.

Tonight 29 Jan Blue Earth

Clear. Lows in the upper 20s. Southeast Winds up to 10 Mph shifting to the south after midnight.

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Armstrong Lake Temperature Statistics

January Temperature

New Ulm Municipal Airport (13.7 miles)

  • Lowest 20 January, 2025

    -18.4 °F

  • Average January

    12.3 °F

  • Highest 17 January, 2025

    39.2 °F

Climate (2020–Present)

New Ulm Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    56.2 °F
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