No
you don't need a jacket based on the weather in Seattle, WA 98117, USA 1 second ago
70°F21°C & Clear
Wind is 6 mph10 km/h from the North, gusting to 11 mph18 km/h
| September 16 | ||||
| 3pm | 71°F22°C | 6 mph10 km/h North | Clear | |
| 4pm | 77°F25°C | 4 mph6 km/h North | Clear | |
| 5pm | 80°F27°C | 2 mph4 km/h South | Clear | |
| 6pm | 83°F28°C | 5 mph8 km/h South | Clear | |
| 7pm | 85°F29°C | 5 mph9 km/h South | Clear | |
| 8pm | 85°F30°C | 4 mph7 km/h South | Clear | |
| 9pm | 85°F29°C | 5 mph8 km/h Southeast | Clear | |
| 10pm | 79°F26°C | 5 mph8 km/h Southeast | Clear | |
| 11pm | 76°F24°C | 5 mph8 km/h Southeast | Clear | |
| September 17 | ||||
| 12am | 73°F23°C | 5 mph8 km/h Southeast | Clear | |
| 1am | 71°F21°C | 5 mph8 km/h Southeast | Clear | |
| 2am | 69°F21°C | 5 mph8 km/h Southeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 54°F12°C | 86°F30°C | 4 mph6 km/h from East | Clear | Clear |
| September 17 | 57°F14°C | 74°F23°C | 5 mph8 km/h from North | Clear | Mostly Clear |
| September 18 | 55°F13°C | 69°F20°C | 7 mph12 km/h from North | Partly Cloudy | Mostly Clear |
| September 19 | 54°F12°C | 72°F22°C | 4 mph7 km/h from North | Clear | Clear |
| September 20 | 52°F11°C | 69°F21°C | 5 mph8 km/h from South | Mostly Cloudy | Rain |
| September 21 | 55°F13°C | 69°F20°C | 7 mph10 km/h from Southeast | Drizzle | Mostly Clear |
| September 22 | 53°F12°C | 69°F21°C | 6 mph9 km/h from South | Partly Cloudy | Partly Cloudy |
Yes
Low of 57°F14°C, High of 73°F23°CWind: 5 mph8 km/h
Precipitation: None