No
you don't need a jacket based on the weather in Portland (Northwest Portland), Oregon, United States 1 second ago
63°F17°C & Mostly Clear
Wind is 4 mph7 km/h from the Northwest, gusting to 16 mph25 km/h
| September 18 | ||||
| 4am | 61°F16°C | 4 mph7 km/h Northwest | Partly Cloudy | |
| 5am | 60°F16°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 6am | 59°F15°C | 2 mph4 km/h Northwest | Partly Cloudy | |
| 7am | 58°F15°C | 2 mph3 km/h Northwest | Mostly Clear | |
| 8am | 58°F14°C | 2 mph3 km/h Northwest | Mostly Clear | |
| 9am | 57°F14°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 10am | 56°F13°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 11am | 58°F14°C | 3 mph5 km/h Northwest | Partly Cloudy | |
| 12pm | 60°F16°C | 5 mph8 km/h North | Mostly Clear | |
| 1pm | 63°F17°C | 6 mph10 km/h North | Mostly Clear | |
| 2pm | 66°F19°C | 7 mph11 km/h North | Mostly Clear | |
| 3pm | 70°F21°C | 8 mph12 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 56°F13°C | 77°F25°C | 8 mph12 km/h from North | Mostly Clear | Clear |
| September 19 | 54°F12°C | 81°F27°C | 4 mph6 km/h from North | Clear | Clear |
| September 20 | 55°F13°C | 78°F25°C | 3 mph5 km/h from Southwest | Mostly Clear | Rain |
| September 21 | 58°F14°C | 71°F22°C | 5 mph7 km/h from Southwest | Rain | Mostly Clear |
| September 22 | 52°F11°C | 76°F24°C | 4 mph6 km/h from North | Clear | Clear |
| September 23 | 54°F12°C | 83°F29°C | 5 mph8 km/h from North | Mostly Clear | Partly Cloudy |
| September 24 | 61°F16°C | 79°F26°C | 3 mph5 km/h from Northwest | Partly Cloudy | Mostly Clear |
Yes
Low of 55°F13°C, High of 81°F27°CWind: 4 mph6 km/h
Precipitation: None