Yes

you do need a jacket based on the weather in Swindon, UK 1 second ago

Why? Because it's cool. Pleasantly cool, but cool and the wind is offering free, unsolicited face massages!
54°F12°C & Mostly Cloudy

Wind is 14 mph22 km/h from the Southwest, gusting to 24 mph38 km/h
October 21
11am55°F13°C14 mph23 km/h SouthwestCloudy
12pm56°F13°C15 mph23 km/h SouthwestMostly Cloudy
1pm56°F13°C14 mph23 km/h SouthwestMostly Cloudy
2pm56°F13°C15 mph24 km/h WestMostly Cloudy
3pm56°F13°C14 mph23 km/h WestPartly Cloudy
4pm55°F13°C14 mph22 km/h WestMostly Clear
5pm54°F12°C12 mph20 km/h WestPartly Cloudy
6pm53°F12°C11 mph17 km/h WestMostly Clear
7pm52°F11°C10 mph16 km/h WestMostly Clear
8pm51°F11°C9 mph14 km/h WestMostly Clear
9pm51°F10°C8 mph13 km/h WestPartly Cloudy
10pm50°F10°C8 mph13 km/h WestPartly Cloudy
DateLowHighWindDayNight
October 2050°F10°C56°F13°C13 mph21 km/h from SouthwestMostly CloudyPartly Cloudy
October 2145°F7°C55°F13°C6 mph10 km/h from SouthwestMostly CloudyRain
October 2242°F6°C51°F10°C21 mph34 km/h from NorthwestDrizzleMostly Clear
October 2341°F5°C51°F11°C18 mph28 km/h from WestDrizzleDrizzle
October 2441°F5°C48°F9°C14 mph22 km/h from NorthwestPartly CloudyMostly Clear
October 2540°F4°C49°F9°C12 mph19 km/h from NorthwestPartly CloudyMostly Cloudy
October 2744°F6°C52°F11°C16 mph26 km/h from NorthwestWindyPartly Cloudy

Yes

Low of 46°F8°C, High of 55°F13°C
Wind: 6 mph10 km/h
Precipitation: None

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