Delavan Lake Weather Forecast

    • -15
    • -6

    Cold

    • -2
    • 4

    Chance Snow

    • -7
    • 11

    Chance Snow

    • -1
    • 7

    Cold

    • -1
    • 15

    Mostly Cloudy

    • -5
    • 11

    Partly Sunny

Today 23 Jan Walworth

Bitterly cold. Much Colder. Sunny. Highs around 6 below. Northwest Winds 10 to 15 Mph. Lowest wind chill Readings 32 below to 42 below zero until late afternoon.

Tonight 23 Jan Walworth

Bitterly cold. Much Colder. Partly cloudy. Chance of Flurries after midnight. Lows around 15 below. Northwest Winds 15 to 20 Mph. Wind chill Readings 27 below to 37 below zero.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Delavan Lake Temperature Statistics

January Temperature

Burlington Municipal Airport (18 miles)

  • Lowest 19 January, 2026

    0.7 °F

  • Average January

    26 °F

  • Highest 8 January, 2026

    57.7 °F

Climate (2021–Present)

Burlington Municipal Airport (18 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59.7 °F
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