Williamsport Weather Forecast
- 49
- 73
Mostly Sunny
- 55
- 84
Rain Showers Likely
- 47
- 73
Partly Sunny
- 60
- 76
Chance Thunderstorms
- 52
- 79
Chance Rain Showers
- 42
- 65
Chance Rain Showers
Today 28 Apr Southern Lycoming
Sunny. Highs in the lower 70s. South Winds around 5 Mph.
Tonight 28 Apr Southern Lycoming
Mostly clear. Not as cool with Lows in the upper 40s. South Winds around 5 Mph.
Williamsport Temperature Statistics
April Temperature
Williamsport - Lycoming County Airport (3.7 miles)
Lowest 9 April, 2025
25.8 °FAverage April
51.6 °FHighest 19 April, 2025
89.7 °F
Climate (2020–Present)
Williamsport - Lycoming County Airport (3.7 miles)
Average Low 2020–2025
43.9 °FAverage 2020–2025
53 °FAverage High 2020–2025
63.3 °F