Williamstown Weather Forecast

    • 69
    • 87

    Rain Showers Likely

    • 68
    • 87

    Rain Showers Likely

    • 68
    • 84

    Chance Thunderstorms

    • 64
    • 82

    Chance Thunderstorms

    • 68
    • 84

    Chance Thunderstorms

Today 11 Aug Rush

Mostly Cloudy, then becoming partly cloudy through early Afternoon, then becoming mostly cloudy. Scattered Thunderstorms toward daybreak. Numerous Showers. Numerous Thunderstorms. Some Thunderstorms may be severe with heavy rainfall. Humid with Highs in the upper 80s. North Winds around 5 Mph, becoming southwest with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 11 Aug Rush

Mostly cloudy. Numerous Showers and Thunderstorms through the late Overnight, then scattered Showers and Thunderstorms toward daybreak. Some Thunderstorms may produce heavy rainfall through the late overnight. Lows in the upper 60s. Southwest Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

August Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 4 August, 2026

    57.7 °F

  • Average August

    73.5 °F

  • Highest 8 August, 2026

    87.1 °F

Climate (2021–2026)

Shelbyville Municipal Airport (19.9 miles)

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

  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67 °F
Get WillyWeather+ to remove ads