No
you don't need a jacket based on the weather in Washington, DC 20011, USA 1 second ago
81°F27°C & Clear
Wind is 4 mph7 km/h from the Northwest, gusting to 9 mph14 km/h
| September 18 | ||||
| 4pm | 82°F28°C | 4 mph7 km/h Northwest | Clear | |
| 5pm | 82°F28°C | 5 mph8 km/h West | Clear | |
| 6pm | 81°F27°C | 4 mph7 km/h Northwest | Clear | |
| 7pm | 77°F25°C | 3 mph5 km/h Southwest | Clear | |
| 8pm | 74°F23°C | 5 mph7 km/h Southwest | Clear | |
| 9pm | 72°F22°C | 5 mph8 km/h Southwest | Clear | |
| 10pm | 71°F22°C | 5 mph8 km/h Southwest | Clear | |
| 11pm | 70°F21°C | 5 mph8 km/h Southwest | Clear | |
| September 19 | ||||
| 12am | 69°F20°C | 5 mph8 km/h Southwest | Clear | |
| 1am | 68°F20°C | 4 mph7 km/h Southwest | Clear | |
| 2am | 67°F19°C | 4 mph7 km/h Southwest | Clear | |
| 3am | 66°F19°C | 4 mph6 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 64°F18°C | 82°F28°C | 3 mph5 km/h from Northwest | Mostly Clear | Clear |
| September 19 | 62°F17°C | 84°F29°C | 3 mph5 km/h from Northwest | Clear | Mostly Clear |
| September 20 | 63°F17°C | 76°F25°C | 7 mph11 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 21 | 63°F17°C | 75°F24°C | 6 mph10 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 22 | 63°F17°C | 78°F26°C | 5 mph8 km/h from South | Partly Cloudy | Partly Cloudy |
| September 23 | 65°F18°C | 84°F29°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 24 | 66°F19°C | 81°F27°C | 4 mph6 km/h from Northwest | Thunderstorms | Mostly Cloudy |
No
Low of 62°F17°C, High of 84°F29°CWind: 3 mph5 km/h
Precipitation: None