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Rainfall Totals Last 24 Hours in Portland, OR
Last Rain · 24 Hours · 72 Hours · 7 Days · 30 Days
This Month · This Year
How much rain did Portland, OR get?
| Last RainSeptember 4, 2026 | 24 Hours | 72 Hours | 7 Days | 30 Days | This Month | This Year |
|---|---|---|---|---|---|---|
| 0.15″ | 0.15″ | 0.71″ | 0.71″ | 0.71″ | 0.70″ | 21.44″ |
Precipitation by month
Wettest month
8.51″
December 2025
Driest month
0.02″
August 2026
Longest dry streak
37 days
ended Aug 28
Most rain in 24 hours
2.21″
Mar 12
| Month | Rain | Normal | % of normal | Rainy days |
|---|---|---|---|---|
| October 2025 | 3.89″ | 3.96″ | 98% | 15 |
| November 2025 | 4.53″ | 6.58″ | 69% | 18 |
| December 2025 | 8.51″ | 7.35″ | 116% | 20 |
| January 2026 | 3.17″ | 6.36″ | 50% | 10 |
| February 2026 | 5.45″ | 4.74″ | 115% | 16 |
| March 2026 | 6.17″ | 4.83″ | 128% | 16 |
| April 2026 | 3.33″ | 3.63″ | 92% | 11 |
| May 2026 | 0.99″ | 2.58″ | 38% | 9 |
| June 2026 | 1.48″ | 1.49″ | 99% | 7 |
| July 2026 | 0.13″ | 0.43″ | — | 2 |
| August 2026 | 0.02″ | 0.54″ | 4% | 1 |
| September 2026 | 0.70″ | 1.58″ | 44% | 3 |