Yes
you do need a jacket based on the weather in Portland, OR, USA 1 minute ago
Why? Because it's not very warm out!
59°F15°C & Clear
Wind is 4 mph7 km/h from the North, gusting to 17 mph28 km/h
| September 16 | ||||
| 7am | 59°F15°C | 4 mph7 km/h North | Clear | |
| 8am | 59°F15°C | 4 mph7 km/h Northeast | Clear | |
| 9am | 60°F15°C | 4 mph6 km/h Northeast | Clear | |
| 10am | 60°F16°C | 3 mph5 km/h Northeast | Clear | |
| 11am | 62°F17°C | 4 mph6 km/h East | Clear | |
| 12pm | 67°F19°C | 4 mph7 km/h East | Clear | |
| 1pm | 70°F21°C | 9 mph14 km/h East | Clear | |
| 2pm | 76°F24°C | 9 mph15 km/h East | Clear | |
| 3pm | 80°F26°C | 10 mph16 km/h East | Clear | |
| 4pm | 83°F28°C | 10 mph16 km/h East | Clear | |
| 5pm | 85°F30°C | 9 mph15 km/h East | Clear | |
| 6pm | 87°F31°C | 9 mph14 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 59°F15°C | 88°F31°C | 8 mph12 km/h from East | Clear | Clear |
| September 17 | 58°F14°C | 81°F27°C | 5 mph8 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 18 | 58°F15°C | 78°F25°C | 6 mph10 km/h from North | Mostly Clear | Mostly Clear |
| September 19 | 57°F14°C | 80°F27°C | 3 mph5 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 20 | 55°F13°C | 76°F25°C | 3 mph4 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| September 21 | 59°F15°C | 74°F23°C | 3 mph5 km/h from Southwest | Drizzle | Mostly Clear |
| September 22 | 57°F14°C | 78°F26°C | 3 mph5 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 58°F15°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: None