Williamstown Weather Forecast
- 55
- 75
Sunny
- 42
- 81
Rain Showers
- 33
- 52
Rain Showers Likely
- 43
- 55
Mostly Cloudy
- 35
- 57
Mostly Cloudy
- 37
- 54
Chance Rain Showers
Today 9 Mar Lewis
Sunny. Not as cool with Highs in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 9 Mar Lewis
Mostly clear. Not as cool with Lows in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Williamstown Temperature Statistics
March Temperature
Keokuk Municipal Airport (24.2 miles)
Lowest 1 March, 2026
21.2 °FAverage March
42.6 °FHighest 6 March, 2026
71.6 °F
Climate (2021–Present)
Keokuk Municipal Airport (24.2 miles)
Average Low 2021–2026
43.9 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
63.2 °F