No
you don't need a jacket based on the weather in Seattle, WA 98144, USA 1 second ago
59°F15°C & Mostly Cloudy
Wind is 4 mph6 km/h from the Northeast, gusting to 8 mph13 km/h
| September 22 | ||||
| 1am | 58°F15°C | 5 mph8 km/h Northeast | Partly Cloudy | |
| 2am | 57°F14°C | 5 mph9 km/h East | Mostly Clear | |
| 3am | 57°F14°C | 6 mph9 km/h East | Mostly Clear | |
| 4am | 56°F13°C | 4 mph7 km/h East | Mostly Clear | |
| 5am | 55°F13°C | 3 mph6 km/h East | Mostly Clear | |
| 6am | 54°F12°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 7am | 53°F12°C | 2 mph4 km/h South | Mostly Clear | |
| 8am | 52°F11°C | 2 mph4 km/h South | Mostly Clear | |
| 9am | 52°F11°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 10am | 52°F11°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 11am | 53°F12°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 12pm | 56°F13°C | 2 mph3 km/h Southeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 21 | 57°F14°C | 66°F19°C | 3 mph5 km/h from East | Drizzle | Partly Cloudy |
| September 22 | 52°F11°C | 69°F21°C | 3 mph5 km/h from North | Mostly Clear | Clear |
| September 23 | 53°F12°C | 72°F22°C | 6 mph10 km/h from North | Mostly Clear | Clear |
| September 24 | 55°F13°C | 72°F22°C | 6 mph9 km/h from North | Clear | Clear |
| September 25 | 53°F12°C | 65°F19°C | 3 mph5 km/h from North | Mostly Cloudy | Mostly Cloudy |
| September 26 | 52°F11°C | 65°F18°C | 6 mph10 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 27 | 51°F11°C | 67°F19°C | 4 mph7 km/h from North | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 52°F11°C, High of 69°F21°CWind: 3 mph5 km/h
Precipitation: None