Harpers Ferry Weather Forecast
- 10
- 36
Chance Snow
- 1
- 18
Chance Snow
- -3
- 21
Chance Snow
- -1
- 7
Cold
- 9
- 18
Mostly Cloudy
- 10
- 26
Partly Sunny
Today 16 Jan Allamakee
Mostly cloudy with a 40 percent chance of snow. Snow accumulation little or no. Highs in the mid 30s. Temperature falling into the lower 20s this afternoon. West Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon.
Tonight 16 Jan Allamakee
Mostly cloudy with a 40 percent chance of snow. Snow accumulation little or no. Colder with Lows around 9 above. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.
Harpers Ferry Temperature Statistics
January Temperature
Prairie Du Chien Municipal Airport (12.4 miles)
Lowest 1 January, 2026
11.3 °FAverage January
29.5 °FHighest 13 January, 2026
50.4 °F
Climate (2021–Present)
Prairie Du Chien Municipal Airport (12.4 miles)
Average Low 2021–2026
40.3 °FAverage 2021–2026
49.8 °FAverage High 2021–2026
59.3 °F