Grass Lake Weather Forecast

    • 22
    • 27

    Mostly Cloudy

    • 27
    • 40

    Partly Sunny

    • 15
    • 34

    Partly Sunny

    • 22
    • 39

    Partly Sunny

    • 28
    • 41

    Partly Sunny

    • 26
    • 48

    Mostly Cloudy

Today 4 Feb Codington

Cloudy. Near steady temperature in the lower 20s. North Winds 10 to 15 Mph, becoming west 5 to 10 Mph this afternoon.

Tonight 4 Feb Codington

Mostly cloudy. Lows in the lower 20s. Temperature rising into the upper 20s after midnight. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Real-Time

Grass Lake Temperature Statistics

February Temperature

Watertown, Watertown Municipal Airport (16.2 miles)

  • Lowest 2 February, 2026

    7 °F

  • Average February

    20.2 °F

  • Highest 1 February, 2026

    34 °F

Climate (2021–Present)

Watertown, Watertown Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    35 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    55.7 °F
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