Yes

you do need a jacket based on the weather in Federal Way, WA 98003, USA 1 second ago

Why? Because the cold's there, but it's just a reminder, not an invasion!
47°F8°C & Cloudy

Wind is 4 mph6 km/h from the South, gusting to 9 mph15 km/h
May 16
5am47°F8°C4 mph6 km/h SouthMostly Cloudy
6am47°F8°C4 mph7 km/h SouthPartly Cloudy
7am47°F8°C4 mph6 km/h SouthMostly Cloudy
8am47°F8°C4 mph6 km/h SouthMostly Cloudy
9am47°F9°C4 mph6 km/h SouthCloudy
10am48°F9°C4 mph7 km/h SouthCloudy
11am49°F9°C5 mph7 km/h SouthCloudy
12pm50°F10°C4 mph7 km/h SouthCloudy
1pm51°F11°C5 mph8 km/h SouthCloudy
2pm52°F11°C5 mph8 km/h SouthCloudy
3pm53°F12°C5 mph7 km/h SouthCloudy
4pm54°F12°C5 mph8 km/h SouthwestCloudy
DateLowHighWindDayNight
May 1647°F8°C56°F13°C4 mph7 km/h from SouthDrizzleRain
May 1746°F8°C59°F15°C6 mph9 km/h from SouthwestRainRain
May 1844°F7°C59°F15°C7 mph12 km/h from SouthwestMostly CloudyMostly Cloudy
May 1946°F8°C61°F16°C7 mph11 km/h from SouthwestRainPartly Cloudy
May 2047°F8°C59°F15°C8 mph13 km/h from SouthwestDrizzlePartly Cloudy
May 2144°F7°C60°F16°C4 mph7 km/h from NorthwestMostly CloudyPartly Cloudy
May 2245°F7°C63°F17°C4 mph7 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 46°F8°C, High of 58°F15°C
Wind: 6 mph9 km/h
Precipitation: 71% rain

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