Williamstown Weather Forecast
- 73
- 88
Rain Showers Likely
- 64
- 85
Partly Sunny
- 62
- 82
Mostly Sunny
- 64
- 82
Partly Sunny
- 66
- 83
Mostly Cloudy
- 66
- 82
Chance Thunderstorms
Today 27 Jul Rush
Partly cloudy. A slight chance of Showers and Thunderstorms through early Afternoon, then Showers likely with a chance of Thunderstorms late in the afternoon. Humid with Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph late in the afternoon. Chance of rain 70 percent.
Tonight 27 Jul Rush
Partly cloudy. Patchy fog toward daybreak. Near steady temperature around 70. Light and variable Winds.
Williamstown Temperature Statistics
July Temperature
Shelbyville Municipal Airport (19.9 miles)
Lowest 23 July, 2026
52.6 °FAverage July
77.2 °FHighest 3 July, 2026
94.6 °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