Octoraro Lake Weather Forecast
- 45
- 63
Rain
- 50
- 54
Rain
- 58
- 69
Rain
- 58
- 76
Chance Rain Showers
- 58
- 77
Slight Chance Rain Showers
- 58
- 80
Partly Sunny
- 55
- 77
Partly Sunny
Today 22 May Lancaster
Rain likely. Highs in the lower 60s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Tonight 22 May Lancaster
Rain. Lows in the upper 40s. East Winds 10 to 15 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
61.1 °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