Grass Lake Weather Forecast

    • 30
    • 49

    Decreasing Clouds

    • 36
    • 59

    Mostly Sunny

    • 41
    • 67

    Partly Sunny

    • 34
    • 61

    Partly Sunny

    • 33
    • 58

    Partly Sunny

    • 43
    • 68

    Partly Sunny

Today 6 May Codington

Partly sunny this Morning, then becoming mostly cloudy. Highs in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 May Codington

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows in the upper 20s. West Winds 10 to 15 Mph, becoming south around 5 Mph after midnight.

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Grass Lake Temperature Statistics

May Temperature

Watertown, Watertown Municipal Airport (16.2 miles)

  • Lowest

  • Average May

  • Highest

Climate (2021–Present)

Watertown, Watertown Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    35.1 °F
  • Average 2021–2026

    45.5 °F
  • Average High 2021–2026

    55.9 °F
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