No
you don't need a jacket based on the weather in Washington, USA 1 second ago
73°F23°C & Clear
Wind is 7 mph12 km/h from the Southeast, gusting to 16 mph26 km/h
| September 16 | ||||
| 9pm | 72°F22°C | 7 mph11 km/h Southeast | Clear | |
| 10pm | 67°F19°C | 4 mph7 km/h Southeast | Clear | |
| 11pm | 63°F17°C | 3 mph5 km/h Southeast | Clear | |
| September 17 | ||||
| 12am | 61°F16°C | 3 mph5 km/h South | Clear | |
| 1am | 60°F16°C | 4 mph6 km/h Southwest | Clear | |
| 2am | 59°F15°C | 4 mph6 km/h Southwest | Clear | |
| 3am | 57°F14°C | 2 mph4 km/h West | Clear | |
| 4am | 56°F14°C | 2 mph4 km/h Northwest | Clear | |
| 5am | 56°F13°C | 2 mph4 km/h Northwest | Clear | |
| 6am | 55°F13°C | 2 mph3 km/h Northwest | Clear | |
| 7am | 54°F12°C | 2 mph3 km/h Northwest | Clear | |
| 8am | 53°F12°C | 2 mph3 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 49°F10°C | 74°F23°C | 7 mph11 km/h from Southeast | Clear | Clear |
| September 17 | 52°F11°C | 79°F26°C | 3 mph4 km/h from East | Clear | Partly Cloudy |
| September 18 | 54°F12°C | 76°F24°C | 4 mph7 km/h from Northwest | Partly Cloudy | Clear |
| September 19 | 52°F11°C | 79°F26°C | 3 mph5 km/h from Northwest | Clear | Clear |
| September 20 | 52°F11°C | 73°F23°C | 6 mph10 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| September 21 | 52°F11°C | 65°F18°C | 7 mph11 km/h from Northwest | Partly Cloudy | Mostly Clear |
| September 22 | 47°F8°C | 73°F23°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 52°F11°C, High of 79°F26°CWind: 3 mph4 km/h
Precipitation: None