Yes

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

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
53°F12°C & Mostly Cloudy

Wind is 6 mph9 km/h from the Southwest, gusting to 16 mph25 km/h
October 17
6am53°F11°C6 mph10 km/h SouthwestPartly Cloudy
7am52°F11°C6 mph10 km/h SouthMostly Cloudy
8am52°F11°C7 mph10 km/h SouthCloudy
9am52°F11°C6 mph10 km/h SouthCloudy
10am52°F11°C7 mph11 km/h SouthwestCloudy
11am52°F11°C7 mph11 km/h SouthwestCloudy
12pm52°F11°C7 mph11 km/h SouthwestCloudy
1pm51°F11°C8 mph13 km/h SouthwestCloudy
2pm51°F11°C8 mph13 km/h SouthwestMostly Cloudy
3pm51°F11°C8 mph13 km/h SouthwestPartly Cloudy
4pm53°F12°C7 mph11 km/h SouthwestPartly Cloudy
5pm55°F13°C7 mph11 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
October 1637°F3°C59°F15°C3 mph5 km/h from SouthwestPartly CloudyCloudy
October 1748°F9°C61°F16°C5 mph7 km/h from SouthwestPartly CloudyMostly Cloudy
October 1843°F6°C56°F13°C3 mph5 km/h from SouthDrizzleRain
October 1949°F9°C58°F15°C14 mph22 km/h from SouthwestDrizzlePartly Cloudy
October 2046°F8°C60°F15°C4 mph7 km/h from SouthwestMostly CloudyMostly Cloudy
October 2147°F8°C59°F15°C3 mph6 km/h from NorthwestDrizzleMostly Cloudy
October 2245°F7°C58°F15°C5 mph8 km/h from SouthwestMostly CloudyDrizzle

Yes

Low of 48°F9°C, High of 61°F16°C
Wind: 5 mph7 km/h
Precipitation: None

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