Chatham Weather Forecast
- 37
- 51
Gradual Clearing
- 42
- 57
Mostly Cloudy
- 57
- 65
Rain Showers Likely
- 46
- 69
Rain Showers
- 36
- 56
Slight Chance Rain Showers
- 45
- 62
Mostly Sunny
Today 13 Mar Eastern Chester
Cloudy. Highs in the lower 50s. East Winds 5 to 10 Mph.
Tonight 13 Mar Eastern Chester
Mostly cloudy. Patchy fog after midnight. Lows in the mid 30s. Northeast Winds around 5 Mph.
Chatham Temperature Statistics
March Temperature
Chester County Airport (9.3 miles)
Lowest 2 March, 2025
15.8 °FAverage March
41.7 °FHighest 11 March, 2025
66.2 °F
Climate (2020–Present)
Chester County Airport (9.3 miles)
Average Low 2020–2025
46 °FAverage 2020–2025
54.5 °FAverage High 2020–2025
63 °F