Yes
you do need a jacket based on the weather in Herndon, VA 20170, USA 1 second ago
Why? Because it's so windy, you’re practically horizontal just trying to walk!
77°F25°C & Windy
Wind is 17 mph27 km/h from the Southwest, gusting to 30 mph48 km/h
| April 18 | ||||
| 5pm | 77°F25°C | 16 mph26 km/h Southwest | Windy | |
| 6pm | 77°F25°C | 15 mph24 km/h Southwest | Windy | |
| 7pm | 75°F24°C | 13 mph21 km/h South | Mostly Clear | |
| 8pm | 72°F22°C | 12 mph20 km/h South | Partly Cloudy | |
| 9pm | 71°F22°C | 13 mph21 km/h South | Mostly Cloudy | |
| 10pm | 70°F21°C | 13 mph21 km/h South | Mostly Cloudy | |
| 11pm | 69°F21°C | 14 mph22 km/h South | Mostly Cloudy | |
| April 19 | ||||
| 12am | 69°F21°C | 14 mph22 km/h Southwest | Mostly Cloudy | |
| 1am | 68°F20°C | 13 mph21 km/h Southwest | Mostly Cloudy | |
| 2am | 67°F20°C | 13 mph20 km/h Southwest | Mostly Cloudy | |
| 3am | 66°F19°C | 12 mph20 km/h Southwest | Mostly Cloudy | |
| 4am | 66°F19°C | 12 mph20 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 18 | 45°F7°C | 77°F25°C | 11 mph17 km/h from South | Mostly Clear | Mostly Cloudy |
| April 19 | 64°F18°C | 84°F29°C | 12 mph19 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| April 20 | 62°F17°C | 74°F23°C | 7 mph11 km/h from North | Cloudy | Mostly Cloudy |
| April 21 | 55°F13°C | 73°F23°C | 10 mph15 km/h from Southeast | Cloudy | Mostly Cloudy |
| April 22 | 61°F16°C | 76°F24°C | 7 mph11 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| April 23 | 54°F12°C | 76°F24°C | 4 mph7 km/h from Southeast | Partly Cloudy | Mostly Clear |
| April 24 | 55°F13°C | 79°F26°C | 6 mph9 km/h from Southeast | Mostly Clear | Mostly Clear |
No
Low of 64°F18°C, High of 84°F29°CWind: 12 mph19 km/h
Precipitation: None