Clear Lake Weather Forecast

    • 57
    • 84

    Rain Showers Likely

    • 48
    • 86

    Rain Showers

    • 40
    • 65

    Rain Showers

    • 36
    • 58

    Breezy

    • 43
    • 66

    Mostly Cloudy

    • 48
    • 73

    Partly Sunny

Today 16 May Bon Homme

Partly sunny. A slight chance of Showers this afternoon. Highs in the mid 80s. Northeast Winds 5 to 10 Mph, becoming east 10 to 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 16 May Bon Homme

Mostly cloudy. A chance of Showers in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Lows in the upper 50s. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (23 miles)

  • Lowest 6 May, 2026

    30 °F

  • Average May

    56.5 °F

  • Highest 11 May, 2026

    86 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (23 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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