Waterloo Weather Forecast
- 44
- 76
Mostly Sunny
- 54
- 75
Mostly Sunny
- 60
- 80
Rain Showers Likely
- 46
- 73
Rain Showers Likely
- 43
- 67
Partly Sunny
- 47
- 66
Chance Rain Showers
- 45
- 65
Chance Rain Showers
Today 21 Apr Jefferson
Sunny. West Winds 5 to 10 Mph.
Tonight 21 Apr Jefferson
Mostly clear. Lows in the mid 40s. West Winds up to 5 Mph shifting to the northeast after midnight.
Waterloo Temperature Statistics
April Temperature
Watertown (13 miles)
Lowest 7 April, 2026
19.6 °FAverage April
47.3 °FHighest 17 April, 2026
77 °F
Climate (2021–Present)
Watertown (13 miles)
Average Low 2021–2026
35.8 °FAverage 2021–2026
45.6 °FAverage High 2021–2026
54.7 °F