Columbia River - Saint Helens Rainfall Forecast
- 15%
- 15%
- No Rain
- No Rain
- No Rain
- 20%
- 30%
Columbia River - Saint Helens Rainfall Statistics
September Rainfall
Scappoose Industrial Airpark (6.8 miles)
Total Rainfall September
0.3inDaily Average September
0.2inWettest Day 2 September, 2026
0.3inWet Days September
1/5 (20%)
Climate (2021–2025)
Scappoose Industrial Airpark (6.8 miles)
Annual Average 2021–2025
36.1inMonthly Average 2021–2026
3inDaily Average 2021–2026
0.1inWettest Day 4 November, 2022
3.1in