Octoraro Lake Weather Forecast
- 50
- 54
Rain
- 56
- 68
Rain
- 58
- 76
Chance Rain Showers
- 60
- 76
Mostly Cloudy
- 61
- 79
Mostly Cloudy
- 56
- 78
Chance Rain Showers
Today 23 May Lancaster
Rain, cooler with Highs in the lower 50s. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.
Tonight 23 May Lancaster
Rain in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 40s. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 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