Grass Lake Weather Forecast

    • 48
    • 63

    Breezy

    • 39
    • 53

    Rain

    • 35
    • 45

    Chance Rain

    • 33
    • 46

    Mostly Cloudy

    • 31
    • 49

    Partly Sunny

    • 30
    • 49

    Partly Sunny

    • 35
    • 51

    Partly Sunny

Today 26 Oct Codington

Mostly sunny and windy. Near steady temperature in the lower 60s. South Winds 25 to 30 Mph with Gusts up to 45 Mph.

Tonight 26 Oct Codington

Mostly cloudy and breezy. Lows in the upper 40s. South Winds 15 to 25 Mph with Gusts up to 35 Mph.

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  • Temperature Real-Time

Grass Lake Temperature Statistics

October Temperature

Watertown, Watertown Municipal Airport (16.2 miles)

  • Lowest 23 October, 2025

    26.1 °F

  • Average October

    54.1 °F

  • Highest 3 October, 2025

    87.1 °F

Climate (2020–Present)

Watertown, Watertown Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    35.2 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    55.8 °F
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