Northwest Rainfall Forecast
- 25%
- No Rain
- No Rain
- No Rain
- No Rain
- No Rain
- 10%
Northwest Rainfall Statistics
May Rainfall
Portland, Portland-Troutdale Airport (3.7 miles)
Total Rainfall May
–Daily Average May
–Wettest Day 3 May, 2026
–Wet Days May
–
Climate (2010–Present)
Portland, Portland-Troutdale Airport (3.7 miles)
Annual Average 2021–2025
39.7inMonthly Average 2021–2026
3.4inDaily Average 2021–2026
0.1inWettest Day 18 December, 2025
2.3in