Seattle Rainfall Forecast

Today 15 May
50%
Fri 16 May
55%
Sat 17 May
75%
Sun 18 May
20%
Mon 19 May
50%
Tue 20 May
20%
Wed 21 May
10%

Seattle Rainfall Statistics

May Rainfall

Boeing Field - King County International Airport (3.7 miles)

Total Rainfall 2025
9.6in
Daily Average 2025
0.1in
Wettest Day 15 March, 2025
0.8in
Wet Days 2025
50/135 (37%)
Total Rainfall April
2.5in
Daily Average April
0.1in
Wettest Day 20 April, 2025
0.7in
Wet Days April
11/30 (37%)
Total Rainfall May
0.1in
Daily Average May
0.01in
Wettest Day 3 May, 2025
0.1in
Wet Days May
1/15 (7%)

Climate (2010–Present)

Boeing Field - King County International Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
22.4in
Monthly Average 2020–2025
1.9in
Daily Average 2020–2025
0.1in
Wettest Day 21 December, 2020
1.8in

Get WillyWeather+ to remove ads