Yes
you do need a jacket based on the weather in Fairfax, VA, USA 1 second ago
Why? Because too cold for just a hoodie, too warm for a parka!
42°F5°C & Clear
Wind is 5 mph8 km/h from the Southwest, gusting to 11 mph17 km/h
| March 10 | ||||
| 1am | 42°F5°C | 5 mph8 km/h Southwest | Clear | |
| 2am | 41°F5°C | 5 mph8 km/h West | Clear | |
| 3am | 40°F4°C | 5 mph8 km/h Southwest | Clear | |
| 4am | 39°F4°C | 5 mph9 km/h Southwest | Clear | |
| 5am | 38°F3°C | 6 mph9 km/h Southwest | Clear | |
| 6am | 38°F3°C | 5 mph8 km/h Southwest | Clear | |
| 7am | 37°F3°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 8am | 37°F3°C | 4 mph6 km/h West | Mostly Clear | |
| 9am | 42°F5°C | 3 mph6 km/h West | Partly Cloudy | |
| 10am | 48°F9°C | 3 mph5 km/h West | Partly Cloudy | |
| 11am | 54°F12°C | 4 mph6 km/h West | Partly Cloudy | |
| 12pm | 58°F14°C | 4 mph7 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 10 | 37°F3°C | 63°F17°C | 3 mph5 km/h from Southwest | Partly Cloudy | Clear |
| March 11 | 40°F4°C | 69°F20°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| March 12 | 44°F7°C | 64°F18°C | 7 mph11 km/h from East | Mostly Clear | Mostly Cloudy |
| March 13 | 42°F6°C | 63°F17°C | 5 mph8 km/h from East | Mostly Cloudy | Partly Cloudy |
| March 14 | 44°F6°C | 66°F19°C | 6 mph9 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| March 15 | 49°F9°C | 69°F21°C | 11 mph17 km/h from South | Cloudy | Cloudy |
| March 16 | 49°F10°C | 66°F19°C | 15 mph24 km/h from Southwest | Rain | Partly Cloudy |
Yes
Low of 40°F5°C, High of 69°F21°CWind: 5 mph8 km/h
Precipitation: None