Thompson Weather Forecast

    • 29
    • 34

    Rain

    • 10
    • 42

    Rain

    • 15
    • 22

    Mostly Cloudy

    • 9
    • 34

    Partly Sunny

    • 11
    • 20

    Partly Sunny

    • 24
    • 31

    Slight Chance Snow

Today 17 Dec Washington

Sunny until late afternoon then becoming partly sunny. Highs in the mid 30s. Northwest Winds 5 to 10 Mph with Gusts to around 25 Mph shifting to the southwest in the afternoon.

Tonight 17 Dec Washington

Not as cold. Mostly cloudy after midnight then becoming partly cloudy. Lows in the mid 20s. West Winds around 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Temperature Statistics

December Temperature

Waukesha County Airport (16.2 miles)

  • Lowest 14 December, 2025

    -5.8 °F

  • Average December

    17.9 °F

  • Highest 10 December, 2025

    35.6 °F

Climate (2020–Present)

Waukesha County Airport (16.2 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    45.8 °F

  • Average High 2020–2025

    56.3 °F
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