Gray Summit Rainfall Forecast

Today 17 May
10%
Mon 18 May
55%
Tue 19 May
95%
Wed 20 May
75%
Thu 21 May
15%
Fri 22 May
20%
Sat 23 May
20%

Gray Summit Rainfall Statistics

May Rainfall

Washington Regional Airport (11.2 miles)

Total Rainfall 2026
12.5in
Daily Average 2026
0.1in
Wettest Day 15 April, 2026
1.3in
Wet Days 2026
33/137 (24%)
Total Rainfall April
6.1in
Daily Average April
0.2in
Wettest Day 15 April, 2026
1.3in
Wet Days April
12/30 (40%)
Total Rainfall May
0.9in
Daily Average May
0.1in
Wettest Day 5 May, 2026
0.3in
Wet Days May
6/17 (35%)

Climate (2012–Present)

Washington Regional Airport (11.2 miles)

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Annual Average 2021–2025
5.6in
Monthly Average 2021–2026
0.4in
Daily Average 2021–2026
0.01in
Wettest Day 18 October, 2025
1.7in

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