Yes

you do need a jacket based on the weather in Eugene Airport (EUG), 28801 Douglas Dr, Eugene, OR 97402, USA 1 second ago

Why? Because the cold's there, but it's just a reminder, not an invasion!
49°F10°C & Mostly Clear

Wind is 4 mph7 km/h from the Southeast, gusting to 8 mph13 km/h
October 25
8am49°F9°C5 mph8 km/h SoutheastMostly Clear
9am48°F9°C5 mph8 km/h SoutheastMostly Clear
10am48°F9°C6 mph9 km/h SoutheastMostly Cloudy
11am47°F9°C6 mph9 km/h SoutheastMostly Cloudy
12pm48°F9°C7 mph11 km/h SouthMostly Cloudy
1pm49°F10°C8 mph12 km/h SouthDrizzle
2pm51°F10°C10 mph17 km/h SouthRain
3pm51°F11°C11 mph18 km/h SouthRain
4pm52°F11°C12 mph20 km/h SouthRain
5pm53°F12°C15 mph24 km/h SouthwestDrizzle
6pm54°F12°C17 mph27 km/h SouthDrizzle
7pm54°F12°C18 mph29 km/h SouthwestWindy
DateLowHighWindDayNight
October 2547°F8°C54°F12°C16 mph26 km/h from SouthwestRainRain
October 2643°F6°C54°F12°C8 mph13 km/h from SouthwestRainDrizzle
October 2741°F5°C56°F14°C3 mph6 km/h from SouthMostly CloudyMostly Cloudy
October 2842°F5°C63°F17°C2 mph4 km/h from SoutheastMostly CloudyDrizzle
October 2945°F7°C61°F16°C3 mph5 km/h from NorthwestPartly CloudyMostly Clear
October 3041°F5°C59°F15°C4 mph6 km/h from NorthPartly CloudyMostly Cloudy
October 3144°F7°C65°F18°C4 mph7 km/h from SouthMostly CloudyDrizzle

Yes

Low of 44°F7°C, High of 55°F13°C
Wind: 8 mph13 km/h
Precipitation: 88% rain

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