Portland Rainfall Forecast
- 85%
- 30%
- 5%
- No Rain
- 10%
- 10%
- 10%
Portland Rainfall Statistics
October Rainfall
Grand Forks, Grand Forks International Airport (32.3 miles)
Total Rainfall October
0.8inDaily Average October
0.1inWettest Day 12 October, 2025
0.3inWet Days October
6/16 (38%)
Climate (2010–Present)
Grand Forks, Grand Forks International Airport (32.3 miles)
Annual Average 2020–2024
19.9inMonthly Average 2020–2025
1.6inDaily Average 2020–2025
0.1inWettest Day 29 August, 2024
2.4in