Yes
you do need a jacket based on the weather in Herndon, VA 20171, USA 1 second ago
Why? Because sorry, it's too cool for just a hoodie!
57°F14°C & Cloudy
Wind is 6 mph9 km/h from the Southwest, gusting to 12 mph20 km/h
| May 11 | ||||
| 2am | 56°F13°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 3am | 55°F13°C | 5 mph7 km/h Southwest | Mostly Cloudy | |
| 4am | 54°F12°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 5am | 53°F12°C | 3 mph6 km/h Southwest | Cloudy | |
| 6am | 54°F12°C | 3 mph4 km/h West | Cloudy | |
| 7am | 55°F13°C | 3 mph5 km/h West | Mostly Cloudy | |
| 8am | 58°F15°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 9am | 64°F18°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 10am | 68°F20°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 11am | 72°F22°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 12pm | 75°F24°C | 2 mph4 km/h North | Mostly Cloudy | |
| 1pm | 77°F25°C | 2 mph4 km/h North | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 11 | 53°F12°C | 79°F26°C | 3 mph4 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| May 12 | 57°F14°C | 73°F23°C | 6 mph10 km/h from Southeast | Drizzle | Rain |
| May 13 | 62°F17°C | 69°F21°C | 11 mph17 km/h from Southeast | Rain | Rain |
| May 14 | 62°F17°C | 74°F23°C | 4 mph7 km/h from East | Drizzle | Drizzle |
| May 15 | 63°F17°C | 77°F25°C | 4 mph6 km/h from Northeast | Drizzle | Partly Cloudy |
| May 16 | 64°F18°C | 84°F29°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Thunderstorms |
| May 17 | 64°F18°C | 75°F24°C | 4 mph7 km/h from West | Thunderstorms | Mostly Clear |
Yes
Low of 56°F14°C, High of 73°F23°CWind: 6 mph10 km/h
Precipitation: 42% rain