Williamsport Regional Airport Weather Forecast
- 37
- 56
Mostly Cloudy
- 50
- 61
Chance Rain Showers
- 54
- 75
Chance Rain Showers
- 36
- 64
Rain Showers Likely
- 37
- 50
Rain Showers Likely
- 41
- 51
Rain Showers Likely
Today 29 Mar Southern Lycoming
Mostly cloudy in the Morning, then becoming partly sunny. Not as cool with Highs in the mid 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 29 Mar Southern Lycoming
Mostly cloudy in the Evening, then becoming partly cloudy. Not as cool with Lows in the upper 30s. South Winds 5 to 10 Mph.
Williamsport Regional Airport Temperature Statistics
March Temperature
Williamsport - Lycoming County Airport (0 miles)
Lowest 2 March, 2026
17.7 °FAverage March
42.8 °FHighest 10 March, 2026
77.6 °F
Climate (2021–Present)
Williamsport - Lycoming County Airport (0 miles)
Average Low 2021–2026
43.6 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
63.2 °F