Armstrong Lake Weather Forecast

    • 38
    • 59

    Partly Sunny

    • 37
    • 56

    Mostly Sunny

    • 41
    • 57

    Rain Likely

    • 26
    • 50

    Chance Rain

    • 20
    • 38

    Chance Snow

    • 13
    • 29

    Slight Chance Snow

Today 15 Feb Blue Earth

Increasing Clouds. Highs in the upper 50s. West Winds up to 10 Mph.

Tonight 15 Feb Blue Earth

Partly cloudy. Lows in the upper 30s. South Winds 5 to 15 Mph.

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Armstrong Lake Temperature Statistics

February Temperature

New Ulm Municipal Airport (13.7 miles)

  • Lowest 3 February, 2026

    3.2 °F

  • Average February

    28.2 °F

  • Highest 12 February, 2026

    51.8 °F

Climate (2021–Present)

New Ulm Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.9 °F
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