Seattle Rainfall Forecast

Today 21 May
25%
Thu 22 May
10%
Fri 23 May
20%
Sat 24 May
5%
Sun 25 May
15%
Mon 26 May
25%
Tue 27 May
30%

Seattle Rainfall Statistics

May Rainfall

Boeing Field - King County International Airport (3.7 miles)

Total Rainfall 2025
10.3in
Daily Average 2025
0.1in
Wettest Day 15 March, 2025
0.8in
Wet Days 2025
54/141 (38%)
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
0.8in
Daily Average May
0.04in
Wettest Day 17 May, 2025
0.6in
Wet Days May
5/21 (24%)

Climate (2010–Present)

Boeing Field - King County International Airport (3.7 miles)

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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

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