Yes

you do need a jacket based on the weather in Portland, OR 97221, USA 1 second ago

Why? Because looks like it's raining and sorry, it's too cool for just a hoodie and it's really really huffing out there!
53°F12°C & Rain

Wind is 20 mph32 km/h from the Southwest, gusting to 44 mph71 km/h
October 25
11pm53°F12°C20 mph32 km/h SouthwestDrizzle
October 26
12am52°F11°C17 mph28 km/h SouthwestDrizzle
1am51°F11°C18 mph28 km/h SouthwestDrizzle
2am50°F10°C15 mph25 km/h SouthwestDrizzle
3am49°F9°C15 mph24 km/h SouthwestDrizzle
4am48°F9°C13 mph21 km/h SouthwestDrizzle
5am48°F9°C10 mph17 km/h SouthwestDrizzle
6am47°F9°C10 mph17 km/h SouthwestDrizzle
7am47°F8°C11 mph18 km/h SouthwestDrizzle
8am46°F8°C11 mph17 km/h SouthwestDrizzle
9am46°F8°C10 mph16 km/h SouthCloudy
10am46°F8°C10 mph16 km/h SouthCloudy
DateLowHighWindDayNight
October 2547°F8°C54°F12°C11 mph17 km/h from SouthRainRain
October 2644°F7°C53°F12°C8 mph14 km/h from SouthwestRainMostly Clear
October 2741°F5°C54°F12°C4 mph6 km/h from SouthMostly CloudyMostly Cloudy
October 2843°F6°C57°F14°C4 mph6 km/h from EastDrizzleDrizzle
October 2947°F8°C60°F15°C2 mph4 km/h from NorthPartly CloudyMostly Cloudy
October 3042°F6°C61°F16°C3 mph5 km/h from NorthPartly CloudyCloudy
October 3147°F8°C57°F14°C4 mph6 km/h from SouthDrizzleDrizzle

Yes

Low of 44°F7°C, High of 54°F12°C
Wind: 8 mph14 km/h
Precipitation: 90% rain

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