Portland Airport Rainfall Forecast
- 40%< 1 mm
- 55%< 2 mm
- 25%< 1 mm
- 20%< 1 mm
- 65%1–5 mm
- 85%5–15 mm
- 85%5–10 mm
Portland Airport Rainfall Statistics View More
October Rainfall
Portland Airport (0 km)
Total Rainfall October
26.6 mmDaily Average October
1.5 mmWettest Day 1 October, 2026
8.6 mmWet Days October
11/19 (58%)
Climate (2021–2025)
Portland Airport (0 km)
Annual Average 2021–2025
811 mmMonthly Average 2021–2026
64.3 mmDaily Average 2021–2026
2.1 mmWettest Day 1 December, 2024
58.8 mm