Williams Bay Weather Forecast

    • 65
    • 89

    Slight Chance Thunderstorms

    • 59
    • 81

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 65
    • 86

    Chance Rain Showers

    • 64
    • 82

    Chance Thunderstorms

    • 62
    • 82

    Chance Thunderstorms

Today 27 Jul Walworth

Warm and humid. Patchy dense fog in the morning. Partly sunny with a 50 percent chance of light Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds 5 to 15 Mph. Highest heat index Readings 97 to 102 in the late morning and afternoon.

Tonight 27 Jul Walworth

Partly cloudy. Chance of light Showers and slight chance of Thunderstorms in the Evening, then slight chance of light Showers late in the evening. Lows in the mid 60s. Northwest Winds 5 to 10 Mph shifting to the north after midnight. Chance of precipitation 40 percent. Highest heat index Readings 95 to 98 in the evening.

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Williams Bay Temperature Statistics

July Temperature

Burlington Municipal Airport (13.7 miles)

  • Lowest 23 July, 2026

    47.1 °F

  • Average July

    73.8 °F

  • Highest 14 July, 2026

    95.4 °F

Climate (2021–2026)

Burlington Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.9 °F
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