Duncannon Weather Forecast
- 55
- 69
Rain Likely
- 59
- 64
Rain
- 56
- 73
Chance Rain
- 62
- 77
Partly Sunny
- 53
- 75
Partly Sunny
- 51
- 67
Chance Rain Showers
- 49
- 66
Chance Rain Showers
Today 10 Oct Perry
Partly sunny. Highs in the upper 50s.
Tonight 10 Oct Perry
Cloudy. A chance of rain after midnight. Not as cool with Lows in the mid 50s. East Winds around 5 Mph. Gusts up to 20 Mph after midnight. Chance of rain 50 percent.
Duncannon Temperature Statistics
October Temperature
Harrisburg, Capital City Airport (14.9 miles)
Lowest 7 October, 2026
41 °FAverage October
62.1 °FHighest 2 October, 2026
84.9 °F
Climate (2021–2026)
Harrisburg, Capital City Airport (14.9 miles)
Average Low 2021–2026
47.5 °FAverage 2021–2026
56.8 °FAverage High 2021–2026
66.1 °F