Yes
you do need a jacket based on the weather in Washington, USA 1 second ago
Why? Because it's not very warm out!
57°F14°C & Mostly Clear
Wind is 6 mph9 km/h from the Northwest, gusting to 16 mph25 km/h
| September 18 | ||||
| 8am | 56°F13°C | 6 mph9 km/h Northwest | Partly Cloudy | |
| 9am | 55°F13°C | 5 mph9 km/h Northwest | Mostly Cloudy | |
| 10am | 55°F13°C | 5 mph9 km/h Northwest | Mostly Cloudy | |
| 11am | 57°F14°C | 5 mph9 km/h Northwest | Mostly Cloudy | |
| 12pm | 61°F16°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| 1pm | 64°F18°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 2pm | 67°F20°C | 5 mph8 km/h Northwest | Mostly Cloudy | |
| 3pm | 70°F21°C | 5 mph9 km/h Northwest | Mostly Cloudy | |
| 4pm | 72°F22°C | 6 mph9 km/h Northwest | Partly Cloudy | |
| 5pm | 74°F23°C | 5 mph9 km/h Northwest | Partly Cloudy | |
| 6pm | 75°F24°C | 6 mph9 km/h Northwest | Mostly Clear | |
| 7pm | 75°F24°C | 6 mph10 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 55°F13°C | 75°F24°C | 6 mph9 km/h from Northwest | Partly Cloudy | Clear |
| September 19 | 53°F11°C | 80°F27°C | 3 mph4 km/h from Northwest | Clear | Clear |
| September 20 | 52°F11°C | 75°F24°C | 7 mph11 km/h from Northwest | Mostly Clear | Drizzle |
| September 21 | 48°F9°C | 61°F16°C | 9 mph15 km/h from West | Drizzle | Mostly Clear |
| September 22 | 45°F7°C | 72°F22°C | 3 mph4 km/h from East | Mostly Clear | Clear |
| September 23 | 50°F10°C | 76°F24°C | 4 mph6 km/h from East | Clear | Partly Cloudy |
| September 24 | 55°F13°C | 74°F23°C | 4 mph6 km/h from Northwest | Mostly Cloudy | Mostly Clear |
Yes
Low of 53°F12°C, High of 80°F27°CWind: 3 mph4 km/h
Precipitation: None