Portland Rainfall Forecast
- 50%
- No Rain
- 5%
- 15%
- No Rain
- 10%
- 5%
Portland Rainfall Statistics
January Rainfall
Jefferson City, Jefferson City Memorial Airport (24.9 miles)
Total Rainfall January
0.7inDaily Average January
0.1inWettest Day 8 January, 2026
0.7inWet Days January
1/11 (9%)
Climate (2010–Present)
Jefferson City, Jefferson City Memorial Airport (24.9 miles)
Annual Average 2021–2025
33.9inMonthly Average 2021–2025
2.8inDaily Average 2021–2026
0.1inWettest Day 25 June, 2021
5.5in