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Historical Portland Weather Data
| Record High Temp (°F) |
Normal High Temp (°F) |
Normal Low Temp (°F) |
Record Low Temp (°F) |
Normal Monthly Precipitation (in.) |
Normal Monthly Snowfall (in.) |
|
|---|---|---|---|---|---|---|
| January | 64 | 30.9 | 12.5 | -26 | 4.09 | 19.3 |
| February | 64 | 34.1 | 15.6 | -39 | 3.14 | 16.5 |
| March | 88 | 42.2 | 25.2 | -21 | 4.14 | 13.5 |
| April | 85 | 52.8 | 34.7 | 8 | 4.26 | 2.9 |
| May | 94 | 63.3 | 44.2 | 23 | 3.82 | 0.2 |
| June | 98 | 72.8 | 52.9 | 33 | 3.28 | 0 |
| July | 99 | 78.8 | 58.6 | 40 | 3.32 | T |
| August | 103 | 77.3 | 57.2 | 33 | 3.05 | 0 |
| September | 95 | 68.9 | 48.5 | 23 | 3.37 | T |
| October | 88 | 57.9 | 37.4 | 15 | 4.4 | 0.2 |
| November | 74 | 47.1 | 29.5 | 3 | 4.72 | 3.3 |
| December | 71 | 36.4 | 18.7 | -21 | 4.24 | 14.7 |
