Christiana Weather Forecast
- 58
- 82
Becoming Sunny
- 56
- 84
Mostly Sunny
- 57
- 76
Partly Sunny
- 57
- 73
Mostly Cloudy
- 61
- 78
Partly Sunny
- 62
- 83
Mostly Cloudy
Today 18 Sep Lancaster
Sunny, warmer with Highs in the lower 80s. Northwest Winds around 5 Mph.
Tonight 18 Sep Lancaster
Clear. Lows in the upper 50s. West Winds around 5 Mph.
Christiana Temperature Statistics
September Temperature
Chester County Airport (6.8 miles)
Lowest 9 September, 2025
48.2 °FAverage September
66.6 °FHighest 6 September, 2025
84.2 °F
Climate (2020–Present)
Chester County Airport (6.8 miles)
Average Low 2020–2025
46.1 °FAverage 2020–2025
54.6 °FAverage High 2020–2025
63.1 °F