Yes

you do need a jacket based on the weather in Troy, MI, USA 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
58°F14°C & Clear

Wind is 4 mph7 km/h from the Northwest, gusting to 7 mph12 km/h
September 18
6am58°F14°C4 mph7 km/h NorthwestMostly Clear
7am58°F14°C5 mph7 km/h NorthwestMostly Clear
8am59°F15°C4 mph7 km/h NorthwestMostly Clear
9am65°F18°C4 mph6 km/h NorthwestMostly Clear
10am71°F22°C4 mph6 km/h NorthwestClear
11am76°F25°C4 mph7 km/h NorthwestClear
12pm79°F26°C4 mph6 km/h NorthwestClear
1pm82°F28°C3 mph6 km/h NorthwestClear
2pm83°F29°C4 mph7 km/h NorthwestMostly Clear
3pm84°F29°C4 mph7 km/h NorthwestMostly Clear
4pm85°F29°C5 mph7 km/h NorthwestMostly Clear
5pm84°F29°C5 mph8 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
September 1857°F14°C85°F29°C4 mph7 km/h from NorthwestMostly ClearMostly Clear
September 1961°F16°C77°F25°C7 mph12 km/h from NortheastMostly ClearMostly Clear
September 2057°F14°C75°F24°C9 mph15 km/h from EastMostly CloudyMostly Cloudy
September 2159°F15°C83°F28°C7 mph11 km/h from SouthMostly CloudyThunderstorms
September 2265°F18°C75°F24°C7 mph11 km/h from SouthwestRainMostly Cloudy
September 2361°F16°C77°F25°C5 mph7 km/h from WestMostly CloudyMostly Cloudy
September 2461°F16°C74°F24°C5 mph9 km/h from NortheastDrizzleMostly Cloudy

No

Low of 61°F16°C, High of 77°F25°C
Wind: 7 mph12 km/h
Precipitation: None

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