Yes
you do need a jacket based on the weather in Seattle, WA 98121, USA 1 second ago
Why? Because it's not very warm out.
53°F12°C & Clear
Wind is 6 mph9 km/h from the NE, gusting to 12 mph20 km/h
| April 20 | ||||
| 2am | 53°F12°C | 6 mph9 km/h NE | Clear | |
| 3am | 52°F11°C | 6 mph9 km/h NE | Clear | |
| 4am | 50°F10°C | 5 mph9 km/h NE | Clear | |
| 5am | 49°F9°C | 5 mph9 km/h NE | Clear | |
| 6am | 48°F9°C | 5 mph8 km/h NE | Clear | |
| 7am | 47°F8°C | 5 mph8 km/h NE | Clear | |
| 8am | 46°F8°C | 4 mph7 km/h NE | Clear | |
| 9am | 46°F8°C | 4 mph7 km/h NE | Clear | |
| 10am | 47°F8°C | 4 mph7 km/h NE | Mostly Clear | |
| 11am | 50°F10°C | 4 mph6 km/h NE | Clear | |
| 12pm | 54°F12°C | 4 mph6 km/h E | Mostly Clear | |
| 1pm | 58°F15°C | 5 mph9 km/h SE | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 43°F6°C | 66°F19°C | 4 mph6 km/h from NE | Clear | Clear |
| April 20 | 46°F8°C | 70°F21°C | 9 mph15 km/h from S | Partly Cloudy | Mostly Clear |
| April 21 | 43°F6°C | 58°F14°C | 7 mph12 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 22 | 43°F6°C | 59°F15°C | 9 mph15 km/h from N | Mostly Clear | Mostly Cloudy |
| April 23 | 46°F8°C | 66°F19°C | 6 mph9 km/h from N | Partly Cloudy | Mostly Cloudy |
| April 24 | 46°F8°C | 57°F14°C | 4 mph7 km/h from SW | Mostly Cloudy | Drizzle |
| April 25 | 44°F7°C | 57°F14°C | 5 mph9 km/h from SW | Mostly Cloudy | Partly Cloudy |
Yes
Low of 46°F8°C, High of 70°F21°CWind: 9 mph15 km/h
Precipitation: None