Harpers Ferry Weather Forecast
- 48
- 79
Mostly Sunny
- 59
- 80
Mostly Sunny
- 57
- 80
Rain Showers
- 44
- 69
Slight Chance Rain Showers
- 45
- 67
Partly Sunny
- 49
- 68
Chance Rain Showers
- 44
- 63
Chance Rain Showers
Today 21 Apr Allamakee
Mostly sunny. Much warmer with Highs in the upper 70s. Northwest Winds around 5 Mph.
Tonight 21 Apr Allamakee
Clear. Lows in the upper 40s. Light Winds.
Harpers Ferry Temperature Statistics
April Temperature
Prairie Du Chien Municipal Airport (12.4 miles)
Lowest 7 April, 2026
26.2 °FAverage April
48.1 °FHighest 12 April, 2026
76.3 °F
Climate (2021–Present)
Prairie Du Chien Municipal Airport (12.4 miles)
Average Low 2021–2026
40.5 °FAverage 2021–2026
50 °FAverage High 2021–2026
59.5 °F