Delavan Lake Weather Forecast

    • 58
    • 78

    Slight Chance Thunderstorms

    • 60
    • 86

    Chance Thunderstorms

    • 53
    • 83

    Chance Thunderstorms

    • 46
    • 67

    Partly Sunny

    • 41
    • 65

    Partly Sunny

    • 49
    • 63

    Rain Showers

Today 14 May Walworth

Partly sunny. A 20 percent chance of light Showers and Thunderstorms in the afternoon. Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 14 May Walworth

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Patchy fog in the late evening and overnight. Lows in the upper 50s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Delavan Lake Temperature Statistics

May Temperature

Burlington Municipal Airport (18 miles)

  • Lowest 9 May, 2025

    30.2 °F

  • Average May

    51.8 °F

  • Highest 12 May, 2025

    80.1 °F

Climate (2020–Present)

Burlington Municipal Airport (18 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    59.6 °F
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