Yes

you do need a jacket based on the weather in Portland (Northeast Portland), Oregon, United States 1 second ago

Why? Because there's a refreshing nip in the air!
45°F7°C & Cloudy

Wind is 2 mph3 km/h from the Northwest, gusting to 2 mph4 km/h
October 18
4pm46°F8°C2 mph3 km/h NorthCloudy
5pm49°F9°C1 mph2 km/h NortheastMostly Cloudy
6pm53°F11°C2 mph3 km/h SoutheastCloudy
7pm56°F13°C2 mph3 km/h SouthwestMostly Cloudy
8pm58°F15°C3 mph5 km/h SouthMostly Cloudy
9pm61°F16°C3 mph6 km/h SouthCloudy
10pm62°F16°C4 mph6 km/h SouthMostly Cloudy
11pm61°F16°C3 mph5 km/h SouthCloudy
October 19
12am61°F16°C3 mph4 km/h SouthCloudy
1am59°F15°C3 mph5 km/h SouthCloudy
2am58°F14°C4 mph6 km/h SoutheastCloudy
3am57°F14°C4 mph6 km/h SoutheastCloudy
DateLowHighWindDayNight
October 1843°F6°C62°F16°C3 mph4 km/h from SouthMostly CloudyRain
October 1949°F9°C60°F16°C10 mph17 km/h from SouthwestRainPartly Cloudy
October 2046°F8°C61°F16°C3 mph4 km/h from NortheastPartly CloudyMostly Clear
October 2144°F6°C64°F18°C3 mph5 km/h from NorthPartly CloudyMostly Clear
October 2245°F7°C61°F16°C5 mph8 km/h from SouthDrizzleCloudy
October 2352°F11°C64°F18°C7 mph12 km/h from SouthDrizzleRain
October 2450°F10°C57°F14°C9 mph14 km/h from SouthRainRain

Yes

Low of 49°F10°C, High of 60°F16°C
Wind: 10 mph17 km/h
Precipitation: 81% rain

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