Yes
you do need a jacket based on the weather in Herndon, VA 20170, USA 1 second ago
Why? Because it's so windy, your hat has officially retired from your head!
84°F29°C & Clear
Wind is 11 mph17 km/h from the Southwest, gusting to 21 mph33 km/h
| September 5 | ||||
| 2pm | 85°F30°C | 12 mph19 km/h Southwest | Clear | |
| 3pm | 86°F30°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 4pm | 86°F30°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 5pm | 86°F30°C | 11 mph18 km/h Southwest | Mostly Clear | |
| 6pm | 85°F30°C | 10 mph16 km/h Southwest | Mostly Clear | |
| 7pm | 82°F28°C | 8 mph12 km/h Southwest | Mostly Clear | |
| 8pm | 80°F26°C | 7 mph12 km/h South | Mostly Clear | |
| 9pm | 78°F26°C | 7 mph11 km/h South | Mostly Clear | |
| 10pm | 77°F25°C | 7 mph12 km/h South | Mostly Clear | |
| 11pm | 76°F24°C | 8 mph12 km/h South | Clear | |
| September 6 | ||||
| 12am | 75°F24°C | 7 mph12 km/h South | Mostly Clear | |
| 1am | 74°F23°C | 7 mph12 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 5 | 62°F17°C | 86°F30°C | 7 mph12 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 6 | 66°F19°C | 85°F29°C | 6 mph9 km/h from West | Rain | Rain |
| September 7 | 59°F15°C | 75°F24°C | 6 mph10 km/h from Northwest | Partly Cloudy | Clear |
| September 8 | 53°F11°C | 75°F24°C | 5 mph7 km/h from North | Clear | Clear |
| September 9 | 53°F12°C | 75°F24°C | 6 mph10 km/h from East | Mostly Clear | Partly Cloudy |
| September 10 | 55°F13°C | 76°F25°C | 5 mph8 km/h from Northeast | Partly Cloudy | Mostly Clear |
| September 11 | 57°F14°C | 79°F26°C | 5 mph8 km/h from North | Mostly Clear | Mostly Clear |
No
Low of 66°F19°C, High of 85°F30°CWind: 6 mph9 km/h
Precipitation: 54% rain