No
you don't need a jacket based on the weather in Seattle (South Park), Washington, United States 1 second ago
72°F22°C & Partly Cloudy
Wind is 2 mph3 km/h from the Southwest, gusting to 5 mph8 km/h
| September 11 | ||||
| 8pm | 72°F22°C | 3 mph4 km/h Southwest | Mostly Clear | |
| 9pm | 72°F22°C | 4 mph7 km/h South | Partly Cloudy | |
| 10pm | 70°F21°C | 5 mph8 km/h South | Mostly Cloudy | |
| 11pm | 68°F20°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| September 12 | ||||
| 12am | 65°F19°C | 5 mph8 km/h West | Mostly Clear | |
| 1am | 63°F17°C | 3 mph5 km/h West | Mostly Clear | |
| 2am | 62°F17°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 3am | 60°F16°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 4am | 59°F15°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 5am | 58°F15°C | 3 mph4 km/h Southwest | Partly Cloudy | |
| 6am | 58°F14°C | 3 mph4 km/h South | Mostly Cloudy | |
| 7am | 57°F14°C | 3 mph4 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 56°F13°C | 72°F22°C | 2 mph4 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 12 | 57°F14°C | 73°F23°C | 3 mph4 km/h from Northwest | Partly Cloudy | Mostly Clear |
| September 13 | 57°F14°C | 77°F25°C | 3 mph4 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| September 14 | 59°F15°C | 70°F21°C | 4 mph7 km/h from Southwest | Drizzle | Drizzle |
| September 15 | 56°F14°C | 70°F21°C | 3 mph5 km/h from North | Partly Cloudy | Clear |
| September 16 | 55°F13°C | 78°F26°C | 5 mph8 km/h from North | Mostly Clear | Mostly Clear |
| September 17 | 54°F12°C | 69°F20°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 57°F14°C, High of 73°F23°CWind: 3 mph4 km/h
Precipitation: None