No
you don't need a jacket based on the weather in National Harbor, MD, USA 1 second ago
64°F18°C & Clear
Wind is 3 mph5 km/h from the Southwest, gusting to 9 mph14 km/h
| September 5 | ||||
| 4am | 64°F18°C | 4 mph6 km/h South | Clear | |
| 5am | 64°F18°C | 4 mph7 km/h South | Mostly Clear | |
| 6am | 64°F18°C | 4 mph6 km/h South | Clear | |
| 7am | 64°F18°C | 4 mph7 km/h South | Mostly Clear | |
| 8am | 66°F19°C | 6 mph9 km/h South | Mostly Clear | |
| 9am | 70°F21°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 10am | 74°F23°C | 7 mph11 km/h Southwest | Clear | |
| 11am | 78°F26°C | 7 mph11 km/h Southwest | Clear | |
| 12pm | 81°F27°C | 8 mph12 km/h Southwest | Clear | |
| 1pm | 84°F29°C | 8 mph13 km/h Southwest | Clear | |
| 2pm | 86°F30°C | 9 mph15 km/h Southwest | Mostly Clear | |
| 3pm | 87°F31°C | 10 mph16 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 5 | 64°F18°C | 87°F31°C | 8 mph13 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 6 | 70°F21°C | 87°F31°C | 6 mph10 km/h from Southwest | Rain | Rain |
| September 7 | 60°F16°C | 74°F24°C | 5 mph8 km/h from Northwest | Mostly Cloudy | Clear |
| September 8 | 56°F13°C | 74°F23°C | 5 mph8 km/h from North | Clear | Clear |
| September 9 | 56°F13°C | 75°F24°C | 7 mph12 km/h from East | Mostly Clear | Partly Cloudy |
| September 10 | 60°F15°C | 72°F22°C | 5 mph9 km/h from North | Mostly Cloudy | Mostly Clear |
| September 11 | 60°F15°C | 80°F26°C | 6 mph9 km/h from North | Mostly Clear | Mostly Clear |
No
Low of 71°F22°C, High of 88°F31°CWind: 6 mph10 km/h
Precipitation: 46% rain