Weather history and climate summary information is available for the following locations:
- Eugene
- Medford
- Pendleton
- Portland
Warmest August Days
The warmest August days in Oregon are:
| Medford, Oregon | 1981 | 113.9°F |
| Pendleton, Oregon | 1982 | 110.8°F |
| Pendleton, Oregon | 1998 | 109.9°F |
| Medford, Oregon | 1978 | 109.9°F |
| Eugene, Oregon | 1981 | 108°F |
Coldest August Days
The coldest August days in Oregon were:
| Eugene, Oregon | 1980 | 32°F |
| Medford, Oregon | 1996 | 34.5°F |
| Eugene, Oregon | 2008 | 37.9°F |
| Eugene, Oregon | 2000 | 39°F |
| Eugene, Oregon | 1985 | 39°F |
Wettest August Days
The wettest single days in August occurred:
| Pendleton, Oregon | 1993 | 2 inches |
| Eugene, Oregon | 1983 | 1.9 inches |
| Eugene, Oregon | 1979 | 1.9 inches |
| Pendleton, Oregon | 1977 | 1.5 inches |
| Portland, Oregon | 1977 | 1.5 inches |