No
you don't need a jacket based on the weather in Seattle, WA, USA 1 second ago
65°F19°C & Clear
Wind is 6 mph9 km/h from the Northwest, gusting to 10 mph16 km/h
| September 19 | ||||
| 4pm | 68°F20°C | 7 mph11 km/h Northwest | Clear | |
| 5pm | 70°F21°C | 7 mph11 km/h Northwest | Clear | |
| 6pm | 72°F22°C | 7 mph11 km/h Northwest | Clear | |
| 7pm | 73°F23°C | 7 mph12 km/h Northwest | Clear | |
| 8pm | 73°F23°C | 7 mph11 km/h North | Clear | |
| 9pm | 70°F21°C | 6 mph9 km/h North | Clear | |
| 10pm | 67°F19°C | 4 mph7 km/h North | Mostly Clear | |
| 11pm | 64°F18°C | 4 mph6 km/h North | Mostly Clear | |
| September 20 | ||||
| 12am | 62°F17°C | 3 mph4 km/h North | Clear | |
| 1am | 60°F16°C | 2 mph3 km/h North | Clear | |
| 2am | 59°F15°C | 2 mph3 km/h North | Clear | |
| 3am | 58°F15°C | 2 mph3 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 51°F11°C | 73°F23°C | 5 mph8 km/h from Northwest | Clear | Mostly Clear |
| September 20 | 54°F12°C | 73°F23°C | 6 mph10 km/h from South | Mostly Clear | Rain |
| September 21 | 57°F14°C | 67°F19°C | 6 mph9 km/h from East | Rain | Mostly Clear |
| September 22 | 52°F11°C | 69°F21°C | 2 mph4 km/h from West | Mostly Clear | Clear |
| September 23 | 53°F12°C | 71°F22°C | 6 mph9 km/h from North | Clear | Clear |
| September 24 | 54°F12°C | 71°F22°C | 3 mph5 km/h from North | Partly Cloudy | Partly Cloudy |
| September 25 | 54°F12°C | 67°F19°C | 3 mph6 km/h from South | Partly Cloudy | Partly Cloudy |
Yes
Low of 54°F12°C, High of 73°F23°CWind: 6 mph10 km/h
Precipitation: None