Williamstown Rainfall Forecast

Today 4 Apr
35%
Sun 5 Apr
100%
Mon 6 Apr
10%
Tue 7 Apr
5%
Wed 8 Apr
No Rain
Thu 9 Apr
No Rain
Fri 10 Apr
10%

Williamstown Rainfall Statistics

April Rainfall

Philadelphia, Philadelphia International Airport (17.4 miles)

Total Rainfall 2026
7.2in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.4in
Wet Days 2026
29/94 (31%)
Total Rainfall March
1.9in
Daily Average March
0.1in
Wettest Day 16 March, 2026
0.5in
Wet Days March
12/31 (39%)
Total Rainfall April
0.5in
Daily Average April
0.5in
Wettest Day 1 April, 2026
0.5in
Wet Days April
1/4 (25%)

Climate (2010–Present)

Philadelphia, Philadelphia International Airport (17.4 miles)

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Annual Average 2021–2025
40.3in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 28 August, 2021
3.2in

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