Columbia River - Willamette River Entrance Rainfall Forecast

Today 25 Nov
100%
Wed 26 Nov
80%
Thu 27 Nov
95%
Fri 28 Nov
30%
Sat 29 Nov
15%
Sun 30 Nov
5%
Mon 1 Dec
30%

Columbia River - Willamette River Entrance Rainfall Statistics

November Rainfall

Pearson Airfield (5.6 miles)

Total Rainfall 2025
23.8in
Daily Average 2025
0.1in
Wettest Day 23 February, 2025
0.9in
Wet Days 2025
110/329 (33%)
Total Rainfall October
4.3in
Daily Average October
0.1in
Wettest Day 24 October, 2025
0.9in
Wet Days October
15/31 (48%)
Total Rainfall November
3.5in
Daily Average November
0.2in
Wettest Day 1 November, 2025
0.8in
Wet Days November
12/25 (48%)

Climate (2010–Present)

Pearson Airfield (5.6 miles)

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Annual Average 2020–2024
36.5in
Monthly Average 2020–2025
3in
Daily Average 2020–2025
0.1in
Wettest Day 26 December, 2022
2.6in

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