Chatham Weather Forecast
- 37
- 53
Gradual Clearing
- 42
- 58
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 around 10 Mph.
Tonight 13 Mar Eastern Chester
Mostly cloudy. Patchy fog after midnight. Lows in the upper 30s. Northeast Winds 5 to 10 Mph.
Chatham Temperature Statistics
March Temperature
Chester County Airport (9.3 miles)
Lowest 2 March, 2025
15.8 °FAverage March
40.3 °FHighest 10 March, 2025
64.4 °F
Climate (2020–Present)
Chester County Airport (9.3 miles)
Average Low 2020–2025
46 °FAverage 2020–2025
54.5 °FAverage High 2020–2025
62.9 °F