Yes

you do need a jacket based on the weather in Hamilton, OH, USA 1 second ago

Why? Because the cold's there, but it's just a reminder, not an invasion!
49°F10°C & Mostly Clear

Wind is 6 mph10 km/h from the South, gusting to 14 mph23 km/h
November 5
4am49°F9°C6 mph10 km/h SouthMostly Clear
5am48°F9°C6 mph10 km/h SouthMostly Clear
6am47°F9°C6 mph9 km/h SouthwestPartly Cloudy
7am47°F8°C6 mph10 km/h SouthMostly Clear
8am47°F9°C7 mph12 km/h SouthwestClear
9am48°F9°C9 mph14 km/h SouthwestClear
10am48°F9°C10 mph16 km/h SouthwestMostly Cloudy
11am49°F9°C11 mph17 km/h SouthwestPartly Cloudy
12pm49°F9°C11 mph18 km/h SouthwestMostly Clear
1pm50°F10°C12 mph19 km/h SouthwestPartly Cloudy
2pm53°F12°C13 mph21 km/h SouthwestPartly Cloudy
3pm57°F14°C15 mph24 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
November 433°F1°C63°F17°C2 mph4 km/h from SouthPartly CloudyMostly Clear
November 543°F6°C66°F19°C14 mph22 km/h from WestMostly ClearClear
November 635°F2°C56°F13°C3 mph5 km/h from SouthMostly ClearMostly Cloudy
November 742°F6°C61°F16°C12 mph20 km/h from SouthwestRainDrizzle
November 843°F6°C58°F15°C4 mph7 km/h from WestMostly CloudyRain
November 930°F-1°C49°F9°C14 mph22 km/h from WestDrizzleMostly Cloudy
November 1027°F-3°C36°F2°C12 mph20 km/h from NorthwestSnowMostly Clear

Yes

Low of 43°F6°C, High of 66°F19°C
Wind: 14 mph22 km/h
Precipitation: None

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