Harwich Rainfall Forecast
- 90%
- No Rain
- 20%
- 70%
- 10%
- 5%
- 10%
Harwich Rainfall Statistics
March Rainfall
Chatham, Chatham Municipal Airport (4.3 miles)
Total Rainfall March
3.5inDaily Average March
0.2inWettest Day 16 March, 2026
0.9inWet Days March
10/24 (42%)
Climate (2010–Present)
Chatham, Chatham Municipal Airport (4.3 miles)
Annual Average 2021–2025
36.2inMonthly Average 2021–2026
3inDaily Average 2021–2026
0.1inWettest Day 9 September, 2021
5.3in