Octoraro Lake Weather Forecast
- 60
- 74
Slight Chance Rain Showers
- 61
- 79
Mostly Cloudy
- 62
- 79
Mostly Cloudy
- 52
- 75
Mostly Sunny
- 52
- 74
Partly Sunny
- 51
- 73
Partly Sunny
Today 25 May Lancaster
Mostly cloudy. Warmer with Highs in the lower 70s. Northwest Winds around 5 Mph.
Tonight 25 May Lancaster
Mostly cloudy. Patchy fog. Lows in the mid 50s. Light and variable Winds, becoming north around 5 Mph after midnight.
Octoraro Lake Temperature Statistics
May Temperature
Chester County Airport (14.3 miles)
Lowest 1 May, 2026
36.7 °FAverage May
60.2 °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