|
Typical Portland August Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 78.4 °F | |
| Average daily low | 59.0 °F | |
| Average monthly precipitation | 3.6 inches | |
| Average monthly snow | none | |
| Daily chance of precipitation | 30.2% | |
| Daily chance of snow | 0% | |
|
Portland August Weather Records 1871–2024 |
||
|---|---|---|
| Highest temperature | 103 °F | August 2, 1975 |
| Lowest temperature | 33 °F | August 31, 1965 |
| Highest daily low | 76 °F | August 26, 1932 |
| Lowest daily high | 56 °F | August 31, 1985 |
| Hottest average high temperature | 83.2 °F | 1944 |
| Coldest average high temperature | 68.5 °F | 1903 |
| Most daily precipitation | 7.8 inches | August 19, 1991 |
| Most monthly precipitation | 15.2 inches | 1991 |
| Most daily snow | none | - |
| Most monthly snow | none | - |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| August 1 | 79.4 | 60.6 | 98 | 43 |
| August 2 | 79.3 | 60.5 | 103 | 40 |
| August 3 | 79.3 | 60.5 | 93 | 45 |
| August 4 | 79.2 | 60.4 | 95 | 45 |
| August 5 | 79.1 | 60.4 | 97 | 43 |
| August 6 | 79.0 | 60.2 | 98 | 42 |
| August 7 | 78.9 | 60.0 | 96 | 44 |
| August 8 | 78.9 | 60.0 | 95 | 42 |
| August 9 | 78.8 | 59.9 | 95 | 46 |
| August 10 | 78.8 | 59.8 | 92 | 41 |
| August 11 | 78.7 | 59.6 | 99 | 41 |
| August 12 | 78.7 | 59.5 | 99 | 44 |
| August 13 | 78.7 | 59.4 | 99 | 42 |
| August 14 | 78.6 | 59.3 | 96 | 40 |
| August 15 | 78.5 | 59.1 | 98 | 44 |
| August 16 | 78.4 | 59.0 | 95 | 43 |
| August 17 | 78.3 | 58.8 | 97 | 42 |
| August 18 | 78.1 | 58.5 | 94 | 42 |
| August 19 | 77.9 | 58.3 | 90 | 43 |
| August 20 | 77.8 | 58.1 | 91 | 41 |
| August 21 | 77.7 | 58.0 | 96 | 42 |
| August 22 | 77.5 | 57.8 | 91 | 40 |
| August 23 | 77.3 | 57.6 | 94 | 39 |
| August 24 | 77.1 | 57.5 | 93 | 42 |
| August 25 | 77.0 | 57.4 | 94 | 41 |
| August 26 | 76.8 | 57.2 | 100 | 41 |
| August 27 | 76.6 | 57.0 | 100 | 40 |
| August 28 | 76.4 | 56.7 | 98 | 39 |
| August 29 | 76.2 | 56.4 | 96 | 38 |
| August 30 | 76.0 | 56.1 | 95 | 40 |
| August 31 | 75.8 | 55.9 | 94 | 33 |