Yes
you do need a jacket based on the weather in Seattle, WA, USA 1 second ago
Why? Because it's bitterly cold.
50°F10°C & Clear
Wind is 6 mph9 km/h from the NE, gusting to 11 mph18 km/h
| April 20 | ||||
| 5am | 49°F9°C | 6 mph9 km/h NE | Clear | |
| 6am | 47°F9°C | 5 mph9 km/h NE | Clear | |
| 7am | 46°F8°C | 5 mph8 km/h NE | Clear | |
| 8am | 45°F7°C | 4 mph7 km/h NE | Clear | |
| 9am | 45°F7°C | 4 mph7 km/h NE | Clear | |
| 10am | 46°F8°C | 4 mph7 km/h NE | Clear | |
| 11am | 50°F10°C | 4 mph7 km/h NE | Clear | |
| 12pm | 55°F13°C | 5 mph8 km/h SE | Clear | |
| 1pm | 59°F15°C | 6 mph10 km/h SE | Mostly Clear | |
| 2pm | 64°F18°C | 7 mph12 km/h SE | Partly Cloudy | |
| 3pm | 67°F19°C | 9 mph14 km/h SE | Mostly Clear | |
| 4pm | 69°F21°C | 9 mph14 km/h SE | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 20 | 45°F7°C | 71°F21°C | 10 mph16 km/h from S | Partly Cloudy | Mostly Clear |
| April 21 | 43°F6°C | 58°F15°C | 7 mph11 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 22 | 43°F6°C | 60°F16°C | 9 mph14 km/h from N | Mostly Clear | Mostly Cloudy |
| April 23 | 46°F8°C | 67°F19°C | 5 mph9 km/h from NW | Mostly Cloudy | Mostly Cloudy |
| April 24 | 45°F7°C | 57°F14°C | 4 mph6 km/h from SW | Mostly Cloudy | Mostly Cloudy |
| April 25 | 45°F7°C | 57°F14°C | 4 mph7 km/h from SW | Mostly Cloudy | Mostly Cloudy |
| April 26 | 44°F7°C | 60°F15°C | 6 mph9 km/h from SW | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 43°F6°C, High of 58°F15°CWind: 7 mph11 km/h
Precipitation: None