Duncannon Weather Forecast
- 51
- 59
Chance Rain Showers
- 49
- 70
Decreasing Clouds
- 40
- 65
Mostly Sunny
- 36
- 62
Mostly Sunny
- 43
- 64
Partly Sunny
- 50
- 71
Partly Sunny
- 50
- 74
Rain Showers Likely
Today 13 Oct Perry
Light rain likely with patchy drizzle. Near steady temperature in the upper 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Tonight 13 Oct Perry
Cloudy with patchy drizzle. A chance of light Rain, mainly this evening. Lows around 50. North Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.
Duncannon Temperature Statistics
October Temperature
Harrisburg, Capital City Airport (14.9 miles)
Lowest 10 October, 2025
37.9 °FAverage October
61.1 °FHighest 5 October, 2025
82 °F
Climate (2020–Present)
Harrisburg, Capital City Airport (14.9 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
57.3 °FAverage High 2020–2025
66.8 °F