Yes
you do need a jacket based on the weather in Herndon, VA 20170, USA 1 second ago
Why? Because it's pretty chilly!
53°F12°C & Partly Cloudy
Wind is 4 mph7 km/h from the West, gusting to 10 mph16 km/h
| October 22 | ||||
| 7am | 52°F11°C | 5 mph8 km/h West | Mostly Clear | |
| 8am | 51°F10°C | 6 mph10 km/h West | Mostly Clear | |
| 9am | 49°F10°C | 7 mph11 km/h West | Mostly Clear | |
| 10am | 49°F9°C | 7 mph11 km/h West | Clear | |
| 11am | 48°F9°C | 6 mph10 km/h West | Mostly Clear | |
| 12pm | 48°F9°C | 6 mph9 km/h West | Clear | |
| 1pm | 51°F10°C | 6 mph10 km/h West | Mostly Clear | |
| 2pm | 55°F13°C | 8 mph13 km/h West | Clear | |
| 3pm | 57°F14°C | 11 mph18 km/h West | Mostly Clear | |
| 4pm | 59°F15°C | 12 mph19 km/h West | Partly Cloudy | |
| 5pm | 60°F15°C | 12 mph19 km/h West | Partly Cloudy | |
| 6pm | 60°F16°C | 11 mph18 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 22 | 46°F8°C | 61°F16°C | 9 mph15 km/h from West | Partly Cloudy | Mostly Clear |
| October 23 | 41°F5°C | 59°F15°C | 10 mph15 km/h from West | Mostly Clear | Mostly Clear |
| October 24 | 39°F4°C | 58°F14°C | 8 mph13 km/h from Northwest | Mostly Clear | Mostly Clear |
| October 25 | 38°F3°C | 58°F15°C | 5 mph8 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| October 26 | 38°F4°C | 58°F15°C | 2 mph4 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| October 27 | 44°F7°C | 58°F14°C | 5 mph8 km/h from East | Partly Cloudy | Partly Cloudy |
| October 28 | 42°F5°C | 58°F14°C | 6 mph10 km/h from Northeast | Partly Cloudy | Drizzle |
Yes
Low of 41°F5°C, High of 59°F15°CWind: 10 mph15 km/h
Precipitation: None