No
you don't need a jacket based on the weather in Reston, VA, USA 1 second ago
80°F27°C & Partly Cloudy
Wind is 4 mph6 km/h from the West, gusting to 10 mph16 km/h
| July 3 | ||||
| 10pm | 79°F26°C | 5 mph8 km/h West | Mostly Clear | |
| 11pm | 77°F25°C | 5 mph8 km/h Northwest | Mostly Clear | |
| July 4 | ||||
| 12am | 74°F24°C | 5 mph8 km/h Northwest | Clear | |
| 1am | 72°F22°C | 5 mph9 km/h North | Clear | |
| 2am | 70°F21°C | 5 mph8 km/h North | Clear | |
| 3am | 69°F20°C | 4 mph7 km/h North | Clear | |
| 4am | 67°F20°C | 4 mph7 km/h Northwest | Clear | |
| 5am | 66°F19°C | 4 mph7 km/h Northwest | Clear | |
| 6am | 66°F19°C | 4 mph7 km/h Northwest | Clear | |
| 7am | 67°F19°C | 4 mph6 km/h North | Clear | |
| 8am | 70°F21°C | 4 mph6 km/h North | Clear | |
| 9am | 73°F23°C | 4 mph7 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 3 | 68°F20°C | 90°F32°C | 3 mph4 km/h from West | Mostly Clear | Clear |
| July 4 | 66°F19°C | 85°F29°C | 5 mph8 km/h from North | Clear | Clear |
| July 5 | 64°F18°C | 87°F30°C | 5 mph7 km/h from South | Mostly Clear | Mostly Clear |
| July 6 | 65°F18°C | 88°F31°C | 6 mph10 km/h from South | Mostly Clear | Partly Cloudy |
| July 7 | 72°F22°C | 87°F30°C | 5 mph8 km/h from South | Drizzle | Rain |
| July 8 | 73°F23°C | 89°F32°C | 6 mph9 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| July 9 | 71°F22°C | 88°F31°C | 5 mph8 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
No
Low of 65°F19°C, High of 84°F29°CWind: 5 mph8 km/h
Precipitation: None