Yes

you do need a jacket based on the weather in Honolulu, HI, USA 26 seconds ago

Why? Because it's so windy, your hat is now someone else's problem, two cities away!
83°F29°C & Windy

Wind is 16 mph26 km/h from the East, gusting to 27 mph43 km/h
September 18
6pm84°F29°C16 mph25 km/h EastWindy
7pm84°F29°C15 mph25 km/h EastWindy
8pm84°F29°C15 mph24 km/h EastWindy
9pm84°F29°C15 mph25 km/h EastWindy
10pm83°F28°C15 mph24 km/h NortheastWindy
11pm82°F28°C15 mph25 km/h NortheastWindy
September 19
12am80°F27°C15 mph24 km/h NortheastWindy
1am79°F26°C14 mph23 km/h NortheastMostly Clear
2am78°F26°C14 mph22 km/h NortheastMostly Clear
3am78°F26°C13 mph21 km/h NortheastMostly Clear
4am77°F25°C13 mph21 km/h NortheastMostly Clear
5am77°F25°C13 mph21 km/h NortheastMostly Clear
DateLowHighWindDayNight
September 1877°F25°C84°F29°C14 mph23 km/h from EastMostly ClearMostly Clear
September 1976°F24°C84°F29°C14 mph23 km/h from NortheastMostly ClearMostly Cloudy
September 2075°F24°C84°F29°C14 mph23 km/h from NortheastPartly CloudyPartly Cloudy
September 2175°F24°C84°F29°C13 mph20 km/h from EastMostly ClearMostly Clear
September 2275°F24°C83°F29°C12 mph19 km/h from NortheastMostly ClearMostly Clear
September 2374°F23°C82°F28°C12 mph20 km/h from NortheastDrizzleMostly Clear
September 2474°F23°C83°F28°C13 mph21 km/h from NortheastMostly ClearPartly Cloudy

No

Low of 76°F25°C, High of 84°F29°C
Wind: 14 mph23 km/h
Precipitation: 9% rain

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