No
you don't need a jacket based on the weather in Washington, DC, USA 8 minutes ago
68°F20°C & Cloudy
Wind is 2 mph3 km/h from the North, gusting to 6 mph10 km/h
| September 11 | ||||
| 10am | 70°F21°C | 1 mph2 km/h North | Mostly Cloudy | |
| 11am | 73°F23°C | 2 mph4 km/h Northeast | Mostly Cloudy | |
| 12pm | 75°F24°C | 4 mph6 km/h Northeast | Mostly Cloudy | |
| 1pm | 77°F25°C | 5 mph8 km/h Northeast | Partly Cloudy | |
| 2pm | 79°F26°C | 5 mph7 km/h Northeast | Partly Cloudy | |
| 3pm | 80°F27°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 4pm | 80°F27°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 5pm | 79°F26°C | 4 mph6 km/h Northeast | Partly Cloudy | |
| 6pm | 78°F26°C | 4 mph7 km/h East | Mostly Clear | |
| 7pm | 75°F24°C | 3 mph5 km/h East | Mostly Clear | |
| 8pm | 72°F22°C | 3 mph5 km/h Southeast | Clear | |
| 9pm | 70°F21°C | 2 mph3 km/h Southeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 65°F19°C | 80°F27°C | 4 mph6 km/h from Northeast | Partly Cloudy | Mostly Clear |
| September 12 | 60°F16°C | 80°F27°C | 5 mph8 km/h from Northeast | Clear | Mostly Clear |
| September 13 | 59°F15°C | 82°F28°C | 4 mph6 km/h from South | Mostly Clear | Mostly Clear |
| September 14 | 62°F17°C | 84°F29°C | 3 mph4 km/h from East | Mostly Clear | Mostly Clear |
| September 15 | 63°F17°C | 83°F29°C | 5 mph8 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 16 | 64°F18°C | 80°F27°C | 6 mph9 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 17 | 63°F17°C | 76°F24°C | 7 mph11 km/h from Northeast | Drizzle | Drizzle |
No
Low of 60°F16°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: None