Octoraro Lake Weather Forecast
- 61
- 78
Rain Showers Likely
- 59
- 79
Rain Showers Likely
- 52
- 76
Mostly Sunny
- 55
- 73
Mostly Sunny
- 50
- 73
Partly Sunny
- 52
- 72
Partly Sunny
- 51
- 72
Partly Sunny
Today 26 May Lancaster
Mostly cloudy. Highs around 80. Southwest Winds around 5 Mph.
Tonight 26 May Lancaster
Cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.
Octoraro Lake Temperature Statistics
May Temperature
Chester County Airport (14.3 miles)
Lowest 1 May, 2026
36.7 °FAverage May
59.9 °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
62.9 °F