No

you don't need a jacket based on the weather in Portland, OR, USA 5 minutes ago

61°F16°C & Mostly Clear

Wind is 4 mph7 km/h from the Northwest, gusting to 14 mph22 km/h
June 28
3am60°F16°C4 mph7 km/h NorthwestPartly Cloudy
4am59°F15°C4 mph6 km/h NorthwestMostly Cloudy
5am58°F14°C3 mph5 km/h NorthwestMostly Clear
6am57°F14°C3 mph4 km/h NorthwestMostly Clear
7am56°F13°C2 mph3 km/h NorthwestMostly Cloudy
8am56°F13°C1 mph2 km/h NorthwestMostly Cloudy
9am56°F13°C2 mph3 km/h NorthwestMostly Cloudy
10am58°F15°C2 mph4 km/h NorthPartly Cloudy
11am61°F16°C3 mph6 km/h NorthPartly Cloudy
12pm63°F17°C4 mph6 km/h NorthPartly Cloudy
1pm66°F19°C4 mph6 km/h NorthMostly Cloudy
2pm68°F20°C4 mph7 km/h NorthMostly Cloudy
DateLowHighWindDayNight
June 2757°F14°C70°F21°C1 mph2 km/h from NortheastMostly CloudyPartly Cloudy
June 2856°F13°C78°F26°C5 mph9 km/h from NorthMostly ClearClear
June 2957°F14°C86°F30°C8 mph12 km/h from NorthClearClear
June 3061°F16°C91°F33°C8 mph13 km/h from NorthClearPartly Cloudy
July 163°F17°C88°F31°C7 mph12 km/h from NorthMostly ClearMostly Clear
July 259°F15°C82°F28°C6 mph10 km/h from NorthwestMostly ClearMostly Clear
July 355°F13°C79°F26°C6 mph9 km/h from NorthwestMostly ClearClear

Yes

Low of 55°F13°C, High of 78°F26°C
Wind: 5 mph9 km/h
Precipitation: None

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