Yes

you do need a jacket based on the weather in Ottawa Hills, OH 43606, USA 1 second ago

Why? Because it's cool. Pleasantly cool, but cool and it's so windy, your hat will probably launch into orbit!
58°F14°C & Windy

Wind is 17 mph27 km/h from the West, gusting to 30 mph49 km/h
November 3
9pm57°F14°C16 mph26 km/h WestWindy
10pm55°F13°C14 mph23 km/h WestClear
11pm52°F11°C12 mph19 km/h WestClear
November 4
12am49°F10°C11 mph17 km/h WestClear
1am48°F9°C10 mph16 km/h WestClear
2am46°F8°C9 mph15 km/h WestClear
3am45°F7°C9 mph14 km/h WestClear
4am43°F6°C9 mph14 km/h WestClear
5am42°F6°C9 mph14 km/h WestClear
6am41°F5°C8 mph13 km/h WestClear
7am40°F4°C7 mph12 km/h WestClear
8am39°F4°C7 mph11 km/h WestClear
DateLowHighWindDayNight
November 342°F6°C58°F15°C12 mph19 km/h from WestMostly ClearMostly Clear
November 437°F3°C56°F14°C8 mph13 km/h from SouthwestPartly CloudyPartly Cloudy
November 541°F5°C60°F16°C17 mph27 km/h from WestWindyClear
November 634°F1°C53°F12°C4 mph7 km/h from SouthPartly CloudyCloudy
November 743°F6°C60°F15°C13 mph21 km/h from SouthwestDrizzleDrizzle
November 841°F5°C48°F9°C6 mph10 km/h from NorthwestMostly CloudyRain
November 935°F2°C49°F9°C11 mph17 km/h from WestDrizzleMostly Cloudy

Yes

Low of 37°F3°C, High of 56°F14°C
Wind: 8 mph13 km/h
Precipitation: None

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