Yes
you do need a jacket based on the weather in Ashburn, VA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
53°F12°C & Cloudy
Wind is 2 mph3 km/h from the W, gusting to 7 mph12 km/h
| April 20 | ||||
| 6am | 53°F12°C | 3 mph5 km/h NW | Cloudy | |
| 7am | 53°F12°C | 4 mph7 km/h NW | Cloudy | |
| 8am | 54°F12°C | 6 mph9 km/h NW | Cloudy | |
| 9am | 55°F13°C | 8 mph12 km/h NW | Mostly Cloudy | |
| 10am | 57°F14°C | 8 mph13 km/h NW | Partly Cloudy | |
| 11am | 60°F15°C | 9 mph15 km/h NW | Mostly Clear | |
| 12pm | 63°F17°C | 10 mph15 km/h NW | Clear | |
| 1pm | 65°F18°C | 11 mph17 km/h NW | Clear | |
| 2pm | 67°F20°C | 12 mph19 km/h NW | Clear | |
| 3pm | 69°F20°C | 12 mph20 km/h W | Clear | |
| 4pm | 69°F21°C | 13 mph21 km/h W | Clear | |
| 5pm | 69°F20°C | 14 mph22 km/h W | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 20 | 48°F9°C | 69°F21°C | 10 mph16 km/h from NW | Mostly Clear | Partly Cloudy |
| April 21 | 39°F4°C | 56°F13°C | 5 mph9 km/h from NW | Cloudy | Partly Cloudy |
| April 22 | 38°F3°C | 63°F17°C | 7 mph11 km/h from NW | Mostly Clear | Clear |
| April 23 | 39°F4°C | 69°F20°C | 9 mph14 km/h from S | Mostly Clear | Mostly Cloudy |
| April 24 | 51°F10°C | 68°F20°C | 11 mph18 km/h from W | Drizzle | Clear |
| April 25 | 44°F7°C | 64°F18°C | 6 mph10 km/h from NW | Mostly Clear | Mostly Clear |
| April 26 | 40°F4°C | 64°F18°C | 6 mph9 km/h from E | Partly Cloudy | Cloudy |
Yes
Low of 39°F4°C, High of 56°F14°CWind: 5 mph9 km/h
Precipitation: None