Yes

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

Why? Because a jacket will keep you cozy, but you won't break a seat!
55°F13°C & Partly Cloudy

Wind is 4 mph7 km/h from the East, gusting to 8 mph13 km/h
September 15
3am55°F13°C4 mph7 km/h EastPartly Cloudy
4am54°F12°C4 mph6 km/h EastMostly Clear
5am53°F12°C3 mph4 km/h EastMostly Clear
6am53°F11°C2 mph3 km/h EastMostly Clear
7am52°F11°C2 mph3 km/h EastMostly Clear
8am52°F11°C1 mph2 km/h EastPartly Cloudy
9am51°F11°C1 mph2 km/h EastMostly Clear
10am51°F10°C2 mph3 km/h SoutheastMostly Clear
11am53°F12°C2 mph3 km/h SouthwestMostly Clear
12pm57°F14°C2 mph3 km/h NorthwestClear
1pm60°F16°C2 mph4 km/h NorthwestMostly Clear
2pm62°F17°C4 mph6 km/h NorthwestMostly Clear
DateLowHighWindDayNight
September 1455°F13°C62°F16°C2 mph3 km/h from NorthRainDrizzle
September 1551°F10°C68°F20°C5 mph8 km/h from NorthwestMostly ClearMostly Clear
September 1652°F11°C83°F29°C2 mph4 km/h from NorthClearClear
September 1756°F14°C72°F22°C5 mph9 km/h from NorthwestMostly ClearMostly Clear
September 1853°F12°C69°F21°C6 mph9 km/h from NorthwestPartly CloudyMostly Clear
September 1953°F11°C72°F22°C4 mph6 km/h from NorthwestMostly ClearMostly Clear
September 2054°F12°C70°F21°C3 mph5 km/h from WestPartly CloudyDrizzle

Yes

Low of 51°F11°C, High of 69°F21°C
Wind: 5 mph8 km/h
Precipitation: None

Support This Page