Downtown Milwaukee Weather Forecast

    • 10
    • 43

    Sunny

    • 20
    • 24

    Partly Sunny

    • 33
    • 39

    Slight Chance Snow

    • 28
    • 41

    Mostly Cloudy

    • 38
    • 42

    Chance Rain

    • 34
    • 48

    Mostly Cloudy

    • 30
    • 41

    Mostly Cloudy

Today 20 Dec Milwaukee

Sunny. West Winds 10 to 15 Mph with Gusts to around 35 Mph.

Tonight 20 Dec Milwaukee

Breezy, clear. Lows around 9. West Winds 10 to 25 Mph. Gusts up to 40 Mph through around midnight.

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Downtown Milwaukee Temperature Statistics

December Temperature

Milwaukee, General Mitchell International Airport (5.6 miles)

  • Lowest 14 December, 2025

    -4 °F

  • Average December

    21.5 °F

  • Highest 18 December, 2025

    46.9 °F

Climate (2020–Present)

Milwaukee, General Mitchell International Airport (5.6 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    59 °F
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