Yes
you do need a jacket based on the weather in Mercer Island, WA 98040, USA 1 second ago
Why? Because rain: where every drop seems to aim directly at your glasses and a jacket will keep you cozy, but you won't break a seat!
51°F11°C & Rain
Wind is 5 mph8 km/h from the South, gusting to 11 mph18 km/h
| October 29 | ||||
| 4am | 51°F10°C | 6 mph10 km/h South | Rain | |
| 5am | 51°F11°C | 7 mph11 km/h South | Rain | |
| 6am | 51°F11°C | 10 mph16 km/h Southwest | Rain | |
| 7am | 51°F10°C | 10 mph15 km/h South | Rain | |
| 8am | 50°F10°C | 10 mph16 km/h South | Rain | |
| 9am | 50°F10°C | 11 mph17 km/h South | Drizzle | |
| 10am | 49°F10°C | 10 mph16 km/h South | Partly Cloudy | |
| 11am | 49°F9°C | 10 mph16 km/h South | Mostly Clear | |
| 12pm | 48°F9°C | 10 mph16 km/h South | Mostly Clear | |
| 1pm | 48°F9°C | 9 mph14 km/h South | Mostly Clear | |
| 2pm | 47°F9°C | 8 mph14 km/h South | Mostly Clear | |
| 3pm | 47°F8°C | 9 mph14 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 28 | 39°F4°C | 56°F13°C | 2 mph3 km/h from South | Cloudy | Rain |
| October 29 | 45°F7°C | 57°F14°C | 5 mph9 km/h from South | Partly Cloudy | Partly Cloudy |
| October 30 | 41°F5°C | 54°F12°C | 5 mph8 km/h from North | Mostly Cloudy | Mostly Cloudy |
| October 31 | 43°F6°C | 53°F12°C | 4 mph7 km/h from South | Rain | Rain |
| November 1 | 47°F8°C | 56°F13°C | 7 mph12 km/h from Southwest | Rain | Mostly Cloudy |
| November 2 | 44°F7°C | 54°F12°C | 5 mph7 km/h from South | Partly Cloudy | Mostly Cloudy |
| November 3 | 42°F6°C | 54°F12°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Drizzle |
Yes
Low of 45°F7°C, High of 57°F14°CWind: 5 mph9 km/h
Precipitation: None