No
you don't need a jacket based on the weather in Washington, DC, USA 12 minutes ago
64°F18°C & Mostly Clear
Wind is 4 mph7 km/h from the North, gusting to 9 mph15 km/h
| September 18 | ||||
| 3am | 63°F17°C | 5 mph8 km/h North | Partly Cloudy | |
| 4am | 63°F17°C | 5 mph7 km/h North | Partly Cloudy | |
| 5am | 63°F17°C | 4 mph7 km/h Northwest | Cloudy | |
| 6am | 63°F17°C | 5 mph7 km/h Northwest | Mostly Cloudy | |
| 7am | 64°F18°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| 8am | 64°F18°C | 4 mph7 km/h Northwest | Partly Cloudy | |
| 9am | 67°F19°C | 4 mph6 km/h Northwest | Mostly Clear | |
| 10am | 70°F21°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 11am | 73°F23°C | 4 mph6 km/h Northwest | Partly Cloudy | |
| 12pm | 76°F24°C | 4 mph6 km/h Northwest | Mostly Clear | |
| 1pm | 78°F25°C | 4 mph6 km/h Northwest | Mostly Clear | |
| 2pm | 80°F26°C | 4 mph6 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 63°F17°C | 82°F28°C | 4 mph6 km/h from Northwest | Mostly Clear | Clear |
| September 19 | 62°F17°C | 85°F29°C | 4 mph6 km/h from Northwest | Clear | Mostly Clear |
| September 20 | 63°F17°C | 77°F25°C | 7 mph11 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 63°F17°C | 75°F24°C | 6 mph10 km/h from East | Mostly Cloudy | Partly Cloudy |
| September 22 | 62°F17°C | 78°F26°C | 5 mph7 km/h from South | Partly Cloudy | Partly Cloudy |
| September 23 | 64°F18°C | 82°F28°C | 5 mph8 km/h from South | Mostly Cloudy | Partly Cloudy |
| September 24 | 66°F19°C | 79°F26°C | 4 mph7 km/h from Northwest | Mostly Clear | Partly Cloudy |
No
Low of 63°F17°C, High of 85°F30°CWind: 4 mph6 km/h
Precipitation: None