Williamstown Weather Forecast
- 66
- 85
Partly Sunny
- 68
- 84
Chance Thunderstorms
- 67
- 84
Chance Thunderstorms
- 66
- 84
Chance Thunderstorms
- 70
- 85
Slight Chance Thunderstorms
Today 5 Aug Rush
Sunny. Highs in the mid 80s. Light and variable Winds, becoming west around 5 Mph.
Tonight 5 Aug Rush
Partly cloudy. Lows in the mid 60s. Light and variable Winds.
Williamstown Temperature Statistics
August Temperature
Shelbyville Municipal Airport (19.9 miles)
Lowest 2 August, 2026
66 °FAverage August
72.2 °FHighest 1 August, 2026
80.7 °F
Climate (2021–2026)
Shelbyville Municipal Airport (19.9 miles)
Average Low 2021–2026
46.9 °FAverage 2021–2026
56.9 °FAverage High 2021–2026
67 °F