Columbia River - Willamette River Entrance Rainfall Forecast
- 70%
- 80%
- 100%
- 90%
- 65%
- 35%
- 25%
Columbia River - Willamette River Entrance Rainfall Statistics
October Rainfall
Pearson Airfield (5.6 miles)
Total Rainfall October
0.2inDaily Average October
0.03inWettest Day 1 October, 2025
0.1inWet Days October
2/9 (22%)
Climate (2010–Present)
Pearson Airfield (5.6 miles)
Annual Average 2020–2024
36.5inMonthly Average 2020–2025
3inDaily Average 2020–2025
0.1inWettest Day 26 December, 2022
2.6in