Williamstown Weather Forecast
- 37
- 67
Rain Showers
- 34
- 59
Partly Sunny
- 42
- 55
Mostly Sunny
- 55
- 73
Partly Sunny
- 55
- 75
Slight Chance Thunderstorms
- 59
- 79
Partly Sunny
Today 18 Apr Rush
Mostly cloudy. Showers and scattered Thunderstorms through early Afternoon, then scattered Showers with isolated Thunderstorms late in the afternoon. Not as warm. Less humid with Highs in the mid 60s. Temperature falling into the lower 50s in the afternoon. Southwest Winds around 15 Mph, becoming northwest late in the afternoon. Gusts up to 25 Mph. Chance of rain 90 percent.
Tonight 18 Apr Rush
Partly cloudy early this Morning, then becoming mostly cloudy. Showers and scattered Thunderstorms toward daybreak. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.
Williamstown Temperature Statistics
April Temperature
Shelbyville Municipal Airport (19.9 miles)
Lowest 8 April, 2026
32.6 °FAverage April
60.6 °FHighest 14 April, 2026
83.6 °F
Climate (2021–Present)
Shelbyville Municipal Airport (19.9 miles)
Average Low 2021–2026
46.9 °FAverage 2021–2026
56.9 °FAverage High 2021–2026
67 °F