Williamstown Weather Forecast
- 64
- 84
Rain Showers
- 55
- 74
Mostly Sunny
- 57
- 75
Partly Sunny
- 61
- 78
Partly Sunny
- 65
- 82
Mostly Sunny
- 69
- 87
Mostly Sunny
Today 21 Jul Rush
Mostly cloudy with numerous Showers and scattered Thunderstorms through early Afternoon, then partly cloudy late in the afternoon. Humid with Highs in the mid 80s. Southwest Winds around 10 Mph, becoming west late in the afternoon. Gusts up to 20 Mph. Chance of rain 70 percent.
Tonight 21 Jul Rush
Partly cloudy through the late Overnight, then clearing. Lows in the lower 60s. Northwest Winds around 5 Mph.
Williamstown Temperature Statistics
July Temperature
Shelbyville Municipal Airport (19.9 miles)
Lowest 13 July, 2026
62.7 °FAverage July
79.2 °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
67.1 °F