Williamstown Weather Forecast

    • 34
    • 41

    Rain Likely

    • 24
    • 41

    Rain Likely

    • 21
    • 30

    Chance Snow

    • 13
    • 29

    Chance Snow

    • 9
    • 19

    Mostly Cloudy

    • 12
    • 21

    Partly Sunny

Today 9 Dec Rush

Mostly cloudy in the Morning, then becoming partly cloudy. Not as cool with Highs around 40. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 9 Dec Rush

A slight chance of rain through Midnight, then rain likely toward daybreak. Not as cool with Lows in the mid 30s. Temperature steady or slowly rising after midnight. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

December Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 4 December, 2025

    7 °F

  • Average December

    24.8 °F

  • Highest 6 December, 2025

    34 °F

Climate (2020–Present)

Shelbyville Municipal Airport (19.9 miles)

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

  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    67 °F
Get WillyWeather+ to remove ads