No
you don't need a jacket based on the weather in Portland (Northwest Portland), Oregon, United States 1 second ago
67°F20°C & Cloudy
Wind is 3 mph5 km/h from the South, gusting to 7 mph12 km/h
| August 18 | ||||
| 2pm | 68°F20°C | 4 mph6 km/h South | Mostly Cloudy | |
| 3pm | 71°F22°C | 4 mph6 km/h South | Mostly Cloudy | |
| 4pm | 73°F23°C | 4 mph6 km/h South | Partly Cloudy | |
| 5pm | 75°F24°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 6pm | 77°F25°C | 3 mph6 km/h Southwest | Mostly Clear | |
| 7pm | 78°F26°C | 3 mph5 km/h Southwest | Clear | |
| 8pm | 79°F26°C | 3 mph4 km/h Southwest | Mostly Clear | |
| 9pm | 77°F25°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 10pm | 76°F24°C | 5 mph8 km/h West | Mostly Clear | |
| 11pm | 72°F22°C | 5 mph9 km/h Northwest | Mostly Clear | |
| August 19 | ||||
| 12am | 69°F21°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 1am | 67°F19°C | 4 mph7 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 18 | 62°F17°C | 79°F26°C | 3 mph5 km/h from Southwest | Partly Cloudy | Mostly Clear |
| August 19 | 58°F14°C | 79°F26°C | 4 mph6 km/h from North | Mostly Clear | Partly Cloudy |
| August 20 | 59°F15°C | 81°F27°C | 5 mph9 km/h from North | Mostly Clear | Clear |
| August 21 | 56°F14°C | 86°F30°C | 6 mph10 km/h from North | Clear | Clear |
| August 22 | 60°F16°C | 94°F34°C | 6 mph10 km/h from North | Clear | Clear |
| August 23 | 64°F18°C | 90°F32°C | 5 mph7 km/h from North | Clear | Clear |
| August 24 | 62°F17°C | 87°F30°C | 5 mph8 km/h from North | Clear | Clear |
Yes
Low of 57°F14°C, High of 79°F26°CWind: 4 mph6 km/h
Precipitation: None