Columbia River - Multnomah Channel Entrance Rainfall Forecast

Today 11 Apr
95%
Sun 12 Apr
60%
Mon 13 Apr
70%
Tue 14 Apr
95%
Wed 15 Apr
85%
Thu 16 Apr
25%
Fri 17 Apr
10%

Columbia River - Multnomah Channel Entrance Rainfall Statistics

April Rainfall

Scappoose Industrial Airpark (6.8 miles)

Total Rainfall 2026
10.7in
Daily Average 2026
0.1in
Wettest Day 11 March, 2026
1.4in
Wet Days 2026
41/101 (41%)
Total Rainfall March
3.8in
Daily Average March
0.1in
Wettest Day 11 March, 2026
1.4in
Wet Days March
13/31 (42%)
Total Rainfall April
0.4in
Daily Average April
0.04in
Wettest Day 1 April, 2026
0.4in
Wet Days April
2/11 (18%)

Climate (2010–Present)

Scappoose Industrial Airpark (6.8 miles)

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Annual Average 2021–2025
36.1in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 4 November, 2022
3.1in

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