No
you don't need a jacket based on the weather in Portland (Sumner), Oregon, United States 1 second ago
76°F25°C & Cloudy
Wind is 4 mph6 km/h from the Northwest, gusting to 10 mph16 km/h
| August 26 | ||||
| 2am | 76°F24°C | 4 mph6 km/h West | Cloudy | |
| 3am | 74°F23°C | 4 mph7 km/h Northwest | Cloudy | |
| 4am | 73°F23°C | 4 mph6 km/h Northwest | Cloudy | |
| 5am | 72°F22°C | 3 mph5 km/h Northwest | Cloudy | |
| 6am | 71°F22°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 7am | 70°F21°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 8am | 69°F21°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 9am | 69°F20°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 10am | 69°F20°C | 3 mph4 km/h Northwest | Mostly Cloudy | |
| 11am | 70°F21°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 12pm | 72°F22°C | 3 mph4 km/h Northwest | Mostly Cloudy | |
| 1pm | 75°F24°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 25 | 67°F19°C | 90°F32°C | 2 mph3 km/h from North | Partly Cloudy | Mostly Cloudy |
| August 26 | 69°F20°C | 90°F32°C | 3 mph5 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| August 27 | 68°F20°C | 85°F30°C | 3 mph4 km/h from West | Partly Cloudy | Clear |
| August 28 | 62°F17°C | 86°F30°C | 2 mph4 km/h from Southwest | Clear | Clear |
| August 29 | 62°F17°C | 86°F30°C | 3 mph5 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| August 30 | 62°F17°C | 79°F26°C | 4 mph6 km/h from Northwest | Partly Cloudy | Mostly Clear |
| August 31 | 62°F16°C | 82°F28°C | 6 mph9 km/h from Northwest | Mostly Clear | Mostly Clear |
No
Low of 69°F21°C, High of 91°F33°CWind: 3 mph5 km/h
Precipitation: None