Dewart Weather Forecast
- 58
- 86
Mostly Sunny
- 51
- 83
Mostly Sunny
- 55
- 78
Partly Sunny
- 60
- 75
Mostly Cloudy
- 60
- 82
Partly Sunny
- 61
- 85
Chance Rain Showers
Today 18 Sep Northumberland
Patchy fog in the morning. Sunny, warmer with Highs in the mid 80s. Northwest Winds around 5 Mph.
Tonight 18 Sep Northumberland
Mostly clear. Patchy fog. Lows in the upper 50s. Light and variable Winds.
Dewart Temperature Statistics
September Temperature
Williamsport - Lycoming County Airport (9.3 miles)
Lowest 8 September, 2025
44.1 °FAverage September
64.6 °FHighest 13 September, 2025
86 °F
Climate (2020–Present)
Williamsport - Lycoming County Airport (9.3 miles)
Average Low 2020–2025
43.9 °FAverage 2020–2025
53.1 °FAverage High 2020–2025
63.3 °F