Ashippun Lake Weather Forecast

    • 33
    • 51

    Increasing Clouds

    • 21
    • 39

    Slight Chance Rain

    • 27
    • 33

    Chance Rain/Snow

    • 24
    • 47

    Mostly Cloudy

    • 14
    • 30

    Mostly Cloudy

    • 18
    • 26

    Chance Snow

    • 18
    • 33

    Chance Snow

Today 30 Jan Waukesha

Mostly sunny. Southwest Winds 5 to 15 Mph.

Tonight 30 Jan Waukesha

Not as cold. Cloudy until early Morning, then a 20 percent chance of light rain early in the morning. Lows in the mid 30s. Southwest Winds up to 5 Mph shifting to the northeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashippun Lake Temperature Statistics

January Temperature

Watertown (12.4 miles)

  • Lowest 24 January, 2025

    -13.9 °F

  • Average January

    17.1 °F

  • Highest 17 January, 2025

    49.5 °F

Climate (2020–Present)

Watertown (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    55.1 °F
Get WillyWeather+ to remove ads