Columbia River - McGuire Island Rainfall Forecast

Today 28 Mar
5%
Sun 29 Mar
55%
Mon 30 Mar
5%
Tue 31 Mar
50%
Wed 1 Apr
90%
Thu 2 Apr
85%
Fri 3 Apr
40%

Columbia River - McGuire Island Rainfall Statistics

March Rainfall

Portland, Portland-Troutdale Airport (2.5 miles)

Total Rainfall 2026
12.7in
Daily Average 2026
0.2in
Wettest Day 12 March, 2026
1.8in
Wet Days 2026
41/87 (47%)
Total Rainfall February
5.1in
Daily Average February
0.2in
Wettest Day 23 February, 2026
1.3in
Wet Days February
16/28 (57%)
Total Rainfall March
5in
Daily Average March
0.2in
Wettest Day 12 March, 2026
1.8in
Wet Days March
15/28 (54%)

Climate (2010–Present)

Portland, Portland-Troutdale Airport (2.5 miles)

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Annual Average 2021–2025
39.7in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 18 December, 2025
2.3in

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