No
you don't need a jacket based on the weather in Washington (Southwest Washington), District of Columbia, United States 4 minutes ago
69°F21°C & Mostly Cloudy
Wind is 6 mph10 km/h from the Southwest, gusting to 18 mph29 km/h
| September 4 | ||||
| 11pm | 69°F21°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| September 5 | ||||
| 12am | 68°F20°C | 4 mph7 km/h Southwest | Clear | |
| 1am | 67°F19°C | 4 mph6 km/h South | Clear | |
| 2am | 66°F19°C | 4 mph6 km/h South | Clear | |
| 3am | 66°F19°C | 4 mph6 km/h South | Clear | |
| 4am | 65°F18°C | 3 mph6 km/h South | Clear | |
| 5am | 65°F18°C | 3 mph6 km/h South | Clear | |
| 6am | 64°F18°C | 2 mph4 km/h South | Mostly Clear | |
| 7am | 66°F19°C | 4 mph6 km/h South | Mostly Clear | |
| 8am | 68°F20°C | 4 mph7 km/h South | Mostly Clear | |
| 9am | 71°F22°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 10am | 74°F23°C | 6 mph9 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 4 | 64°F18°C | 84°F29°C | 6 mph10 km/h from South | Mostly Clear | Thunderstorms |
| September 5 | 64°F18°C | 88°F31°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 6 | 71°F22°C | 87°F31°C | 6 mph9 km/h from Southwest | Rain | Drizzle |
| September 7 | 61°F16°C | 75°F24°C | 6 mph10 km/h from Northwest | Partly Cloudy | Clear |
| September 8 | 56°F13°C | 76°F24°C | 4 mph7 km/h from North | Clear | Clear |
| September 9 | 57°F14°C | 75°F24°C | 7 mph11 km/h from East | Mostly Clear | Mostly Clear |
| September 10 | 59°F15°C | 76°F25°C | 5 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
No
Low of 64°F18°C, High of 88°F31°CWind: 7 mph11 km/h
Precipitation: None