Yes

you do need a jacket based on the weather in Seattle, WA, USA 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
46°F8°C & Cloudy

Wind is 5 mph8 km/h from the East, gusting to 8 mph13 km/h
October 25
3pm46°F8°C5 mph9 km/h EastDrizzle
4pm47°F8°C6 mph10 km/h SoutheastRain
5pm48°F9°C5 mph9 km/h SoutheastRain
6pm50°F10°C11 mph17 km/h SoutheastCloudy
7pm51°F11°C11 mph18 km/h SouthRain
8pm52°F11°C10 mph16 km/h SouthDrizzle
9pm53°F12°C11 mph18 km/h SouthCloudy
10pm54°F12°C11 mph17 km/h SouthCloudy
11pm54°F12°C13 mph21 km/h SouthCloudy
October 26
12am53°F11°C17 mph27 km/h SouthDrizzle
1am51°F11°C17 mph28 km/h SouthRain
2am50°F10°C16 mph27 km/h SouthWindy
DateLowHighWindDayNight
October 2545°F7°C54°F12°C11 mph17 km/h from SouthRainDrizzle
October 2644°F7°C50°F10°C7 mph12 km/h from SouthRainPartly Cloudy
October 2742°F6°C54°F12°C7 mph11 km/h from SouthPartly CloudyMostly Cloudy
October 2843°F6°C54°F12°C4 mph6 km/h from SoutheastDrizzleRain
October 2946°F8°C56°F13°C6 mph9 km/h from SouthDrizzleMostly Cloudy
October 3044°F7°C56°F13°C4 mph6 km/h from NortheastMostly CloudyCloudy
October 3146°F8°C56°F14°C8 mph13 km/h from SouthDrizzleRain

Yes

Low of 44°F7°C, High of 50°F10°C
Wind: 7 mph12 km/h
Precipitation: 83% rain

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