Ketchikan Rainfall Forecast

Today 16 May
No Rain
Sun 17 May
100%
Mon 18 May
100%
Tue 19 May
30%
Wed 20 May
90%
Thu 21 May
35%
Fri 22 May
45%

Ketchikan Rainfall Statistics

May Rainfall

Ketchikan, Ketchikan International Airport (3.1 miles)

Total Rainfall 2026
41.5in
Daily Average 2026
0.3in
Wettest Day 9 January, 2026
4.1in
Wet Days 2026
64/136 (47%)
Total Rainfall April
2.4in
Daily Average April
0.1in
Wettest Day 5 April, 2026
0.9in
Wet Days April
6/30 (20%)
Total Rainfall May
1.8in
Daily Average May
0.1in
Wettest Day 8 May, 2026
1.6in
Wet Days May
3/16 (19%)

Climate (2010–Present)

Ketchikan, Ketchikan International Airport (3.1 miles)

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Annual Average 2021–2025
146.7in
Monthly Average 2021–2026
12.1in
Daily Average 2021–2026
0.4in
Wettest Day 15 September, 2025
7.6in

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