Thompson Weather Forecast

    • 4
    • 21

    Decreasing Clouds

    • 15
    • 25

    Snow Likely

    • 10
    • 24

    Mostly Cloudy

    • 6
    • 23

    Mostly Cloudy

    • 8
    • 22

    Mostly Cloudy

    • 22
    • 28

    Chance Snow

Today 31 Jan Washington

Partly sunny until late afternoon then clearing. Highs in the lower 20s. North Winds 5 to 10 Mph.

Tonight 31 Jan Washington

Mostly clear. Lows around 6. Northwest Winds up to 5 Mph shifting to the southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Temperature Statistics

January Temperature

Waukesha County Airport (16.2 miles)

  • Lowest 23 January, 2026

    -16.6 °F

  • Average January

    18.3 °F

  • Highest 9 January, 2026

    57.2 °F

Climate (2021–Present)

Waukesha County Airport (16.2 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    56.3 °F
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