Columbia River - Willamette River Entrance Rainfall Forecast

Today 25 Apr
No Rain
Sun 26 Apr
5%
Mon 27 Apr
15%
Tue 28 Apr
5%
Wed 29 Apr
No Rain
Thu 30 Apr
5%
Fri 1 May
5%

Columbia River - Willamette River Entrance Rainfall Statistics

April Rainfall

Pearson Airfield (5.6 miles)

Total Rainfall 2026
14.7in
Daily Average 2026
0.1in
Wettest Day 12 March, 2026
1.3in
Wet Days 2026
53/115 (46%)
Total Rainfall March
4.4in
Daily Average March
0.1in
Wettest Day 12 March, 2026
1.3in
Wet Days March
17/31 (55%)
Total Rainfall April
2.2in
Daily Average April
0.1in
Wettest Day 15 April, 2026
0.6in
Wet Days April
8/25 (32%)

Climate (2010–Present)

Pearson Airfield (5.6 miles)

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Annual Average 2021–2025
36.4in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 26 December, 2022
2.6in

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