Armstrong Lake Weather Forecast

    • 56
    • 78

    Mostly Sunny

    • 61
    • 73

    Mostly Cloudy

    • 47
    • 76

    Chance Rain Showers

    • 42
    • 55

    Rain Showers Likely

    • 41
    • 52

    Chance Rain Showers

    • 44
    • 55

    Slight Chance Rain Showers

    • 41
    • 60

    Slight Chance Rain Showers

Today 22 Oct Blue Earth

Sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 22 Oct Blue Earth

Warmer, clear. Lows in the mid 50s. South Winds 5 to 10 Mph.

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Armstrong Lake Temperature Statistics

October Temperature

New Ulm Municipal Airport (13.7 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    57.5 °F

  • Highest 11 October, 2026

    91.4 °F

Climate (2021–2026)

New Ulm Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    57 °F
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