Octoraro Lake Weather Forecast
- 56
- 68
Rain
- 60
- 76
Rain Showers Likely
- 60
- 77
Chance Rain Showers
- 60
- 79
Slight Chance Rain Showers
- 55
- 78
Slight Chance Rain Showers
- 52
- 73
Partly Sunny
Today 24 May Lancaster
A slight chance of Thunderstorms. Showers, mainly in the morning. Not as cool with Highs in the upper 60s. East Winds 10 to 15 Mph. Chance of rain near 100 percent.
Tonight 24 May Lancaster
Cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the mid 50s. East Winds around 5 Mph. Chance of rain 70 percent.
Octoraro Lake Temperature Statistics
May Temperature
Chester County Airport (14.3 miles)
Lowest 1 May, 2026
36.7 °FAverage May
60.9 °FHighest 19 May, 2026
92.1 °F
Climate (2021–Present)
Chester County Airport (14.3 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
54.4 °FAverage High 2021–2026
63 °F