Yes

you do need a jacket based on the weather in Lyon, France 1 second ago

Why? Because it's pretty chilly!
54°F12°C & Mostly Clear

Wind is 3 mph5 km/h from the Northwest, gusting to 6 mph9 km/h
October 15
9pm54°F12°C3 mph5 km/h NorthwestMostly Clear
10pm53°F12°C3 mph4 km/h NorthwestMostly Clear
11pm52°F11°C2 mph3 km/h NorthwestMostly Clear
October 16
12am51°F11°C2 mph2 km/h NorthwestClear
1am50°F10°C1 mph2 km/h NorthwestClear
2am49°F10°C2 mph2 km/h NorthwestClear
3am48°F9°C2 mph3 km/h NorthwestClear
4am48°F9°C2 mph3 km/h NorthMostly Clear
5am47°F8°C2 mph3 km/h NortheastPartly Cloudy
6am47°F8°C2 mph3 km/h NortheastMostly Cloudy
7am48°F9°C2 mph3 km/h NorthMostly Cloudy
8am49°F10°C2 mph3 km/h NorthMostly Cloudy
DateLowHighWindDayNight
October 1451°F10°C61°F16°C5 mph8 km/h from NorthPartly CloudyMostly Clear
October 1547°F8°C61°F16°C4 mph6 km/h from NorthPartly CloudyClear
October 1646°F8°C59°F15°C3 mph6 km/h from NorthPartly CloudyMostly Clear
October 1743°F6°C61°F16°C2 mph3 km/h from NortheastMostly ClearMostly Clear
October 1843°F6°C67°F19°C10 mph16 km/h from SouthPartly CloudyMostly Cloudy
October 1956°F13°C63°F17°C14 mph22 km/h from SouthRainDrizzle
October 2055°F13°C65°F18°C9 mph14 km/h from SouthDrizzleDrizzle

Yes

Low of 46°F8°C, High of 61°F16°C
Wind: 4 mph6 km/h
Precipitation: None

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