No
you don't need a jacket based on the weather in Washington, DC, USA 20 minutes ago
66°F19°C & Clear
Wind is 1 mph2 km/h from the Northwest, gusting to 2 mph4 km/h
| September 12 | ||||
| 12am | 65°F19°C | 4 mph6 km/h Northwest | Clear | |
| 1am | 64°F18°C | 4 mph6 km/h West | Clear | |
| 2am | 63°F17°C | 4 mph6 km/h Northwest | Clear | |
| 3am | 63°F17°C | 4 mph7 km/h Northwest | Clear | |
| 4am | 62°F16°C | 2 mph4 km/h Northwest | Clear | |
| 5am | 61°F16°C | 2 mph4 km/h Northwest | Clear | |
| 6am | 60°F16°C | 2 mph4 km/h North | Clear | |
| 7am | 60°F15°C | 4 mph7 km/h North | Mostly Clear | |
| 8am | 62°F17°C | 4 mph6 km/h North | Clear | |
| 9am | 67°F19°C | 4 mph6 km/h North | Clear | |
| 10am | 71°F22°C | 4 mph7 km/h Northeast | Clear | |
| 11am | 75°F24°C | 5 mph8 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 65°F19°C | 80°F27°C | 2 mph4 km/h from East | Mostly Cloudy | Mostly Clear |
| September 12 | 60°F15°C | 80°F27°C | 5 mph9 km/h from Northeast | Mostly Clear | Clear |
| September 13 | 59°F15°C | 82°F28°C | 3 mph6 km/h from South | Clear | Mostly Clear |
| September 14 | 62°F17°C | 85°F29°C | 3 mph5 km/h from West | Mostly Clear | Mostly Clear |
| September 15 | 64°F18°C | 84°F29°C | 4 mph7 km/h from East | Partly Cloudy | Partly Cloudy |
| September 16 | 64°F18°C | 81°F27°C | 5 mph9 km/h from East | Mostly Cloudy | Partly Cloudy |
| September 17 | 63°F17°C | 75°F24°C | 6 mph10 km/h from Northeast | Mostly Cloudy | Thunderstorms |
No
Low of 60°F16°C, High of 81°F27°CWind: 5 mph9 km/h
Precipitation: None