Horsham Rainfall Forecast

Today 19 May
5%
Wed 20 May
85%
Thu 21 May
55%
Fri 22 May
40%
Sat 23 May
80%
Sun 24 May
70%
Mon 25 May
35%

Horsham Rainfall Statistics

May Rainfall

Philadelphia - Wings Field Airport (7.5 miles)

Total Rainfall 2026
15.6in
Daily Average 2026
0.1in
Wettest Day 16 March, 2026
1.8in
Wet Days 2026
36/139 (26%)
Total Rainfall April
2.9in
Daily Average April
0.1in
Wettest Day 25 April, 2026
1.5in
Wet Days April
8/30 (27%)
Total Rainfall May
1.2in
Daily Average May
0.1in
Wettest Day 6 May, 2026
0.4in
Wet Days May
6/19 (32%)

Climate (2010–Present)

Philadelphia - Wings Field Airport (7.5 miles)

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Annual Average 2021–2025
51.4in
Monthly Average 2021–2026
4.3in
Daily Average 2021–2026
0.1in
Wettest Day 30 October, 2025
5.8in

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