Indian John Island Rainfall Forecast

Today 20 May
No Rain
Thu 21 May
No Rain
Fri 22 May
No Rain
Sat 23 May
No Rain
Sun 24 May
5%
Mon 25 May
75%
Tue 26 May
45%

Indian John Island Rainfall Statistics

May Rainfall

Portland, Portland-Troutdale Airport (8.1 miles)

Total Rainfall 2026
16.9in
Daily Average 2026
0.1in
Wettest Day 12 March, 2026
1.8in
Wet Days 2026
60/140 (43%)
Total Rainfall April
3.3in
Daily Average April
0.1in
Wettest Day 15 April, 2026
0.8in
Wet Days April
11/30 (37%)
Total Rainfall May
0.7in
Daily Average May
0.04in
Wettest Day 16 May, 2026
0.3in
Wet Days May
6/20 (30%)

Climate (2010–Present)

Portland, Portland-Troutdale Airport (8.1 miles)

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Annual Average 2021–2025
39.7in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 18 December, 2025
2.3in

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