Washington Rainfall Forecast

Today 31 May
80%
Mon 1 Jun
20%
Tue 2 Jun
30%
Wed 3 Jun
10%
Thu 4 Jun
No Rain
Fri 5 Jun
5%
Sat 6 Jun
25%

Washington Rainfall Statistics

May Rainfall

Rockland, Knox County Regional Airport (19.3 miles)

Total Rainfall 2026
13.6in
Daily Average 2026
0.1in
Wettest Day 30 April, 2026
1.6in
Wet Days 2026
59/151 (39%)
Total Rainfall April
4.1in
Daily Average April
0.1in
Wettest Day 30 April, 2026
1.6in
Wet Days April
13/31 (42%)
Total Rainfall May
4.9in
Daily Average May
0.2in
Wettest Day 25 May, 2026
1.4in
Wet Days May
13/31 (42%)

Climate (2010–Present)

Rockland, Knox County Regional Airport (19.3 miles)

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Annual Average 2021–2025
23.6in
Monthly Average 2021–2026
2in
Daily Average 2021–2026
0.1in
Wettest Day 31 October, 2021
2.9in

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