Crystal Lake Weather Forecast
- 40
- 61
Increasing Clouds
- 56
- 68
Rain Showers Likely
- 51
- 73
Rain Showers
- 41
- 61
Rain Showers Likely
- 43
- 58
Partly Sunny
- 45
- 62
Chance Rain Showers
Today 30 Apr Sullivan
Partly sunny in the Morning, then clearing. Much cooler with Highs around 60. North Winds 10 to 15 Mph.
Tonight 30 Apr Sullivan
Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. Northeast Winds around 5 Mph.
Crystal Lake Temperature Statistics
April Temperature
Williamsport - Lycoming County Airport (14.3 miles)
Lowest 9 April, 2025
25.8 °FAverage April
52.9 °FHighest 19 April, 2025
89.7 °F
Climate (2020–Present)
Williamsport - Lycoming County Airport (14.3 miles)
Average Low 2020–2025
43.9 °FAverage 2020–2025
53 °FAverage High 2020–2025
63.3 °F