Yes
you do need a jacket based on the weather in Boeing Field (BFI), 7277 Perimeter Rd S, Seattle, WA 98108, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
52°F11°C & Cloudy
Wind is 4 mph6 km/h from the South, gusting to 9 mph14 km/h
| October 31 | ||||
| 8pm | 54°F12°C | 4 mph7 km/h South | Cloudy | |
| 9pm | 55°F13°C | 4 mph7 km/h South | Cloudy | |
| 10pm | 55°F13°C | 4 mph7 km/h South | Cloudy | |
| 11pm | 53°F12°C | 4 mph6 km/h South | Rain | |
| November 1 | ||||
| 12am | 52°F11°C | 5 mph8 km/h Southeast | Rain | |
| 1am | 52°F11°C | 5 mph7 km/h Southeast | Rain | |
| 2am | 53°F12°C | 7 mph11 km/h Southeast | Rain | |
| 3am | 53°F12°C | 7 mph11 km/h South | Rain | |
| 4am | 54°F12°C | 6 mph10 km/h South | Rain | |
| 5am | 54°F12°C | 5 mph9 km/h South | Rain | |
| 6am | 54°F12°C | 5 mph8 km/h South | Rain | |
| 7am | 54°F12°C | 5 mph8 km/h South | Rain | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 31 | 42°F6°C | 55°F13°C | 3 mph6 km/h from South | Rain | Rain |
| November 1 | 48°F9°C | 61°F16°C | 14 mph22 km/h from Southwest | Rain | Partly Cloudy |
| November 2 | 44°F7°C | 55°F13°C | 5 mph7 km/h from South | Partly Cloudy | Cloudy |
| November 3 | 44°F7°C | 52°F11°C | 3 mph5 km/h from Northeast | Rain | Drizzle |
| November 4 | 46°F8°C | 57°F14°C | 4 mph6 km/h from Southeast | Mostly Cloudy | Rain |
| November 5 | 51°F11°C | 58°F14°C | 11 mph18 km/h from South | Drizzle | Rain |
| November 6 | 50°F10°C | 56°F13°C | 10 mph16 km/h from South | Rain | Rain |
Yes
Low of 48°F9°C, High of 61°F16°CWind: 14 mph22 km/h
Precipitation: 97% rain