Yes

you do need a jacket based on the weather in Bradford-on-Avon, UK 1 second ago

Why? Because it's cold. simple as that.
48°F9°C & Partly Cloudy

Wind is 13 mph21 km/h from the W, gusting to 24 mph38 km/h
April 18
11pm48°F9°C13 mph21 km/h WPartly Cloudy
April 19
12am47°F8°C12 mph19 km/h WMostly Cloudy
1am46°F8°C11 mph18 km/h WMostly Cloudy
2am47°F8°C11 mph18 km/h WMostly Cloudy
3am48°F9°C12 mph20 km/h WMostly Cloudy
4am50°F10°C14 mph22 km/h NWMostly Cloudy
5am52°F11°C15 mph24 km/h NWCloudy
6am54°F12°C15 mph25 km/h NWWindy
7am55°F13°C15 mph25 km/h NWWindy
8am56°F13°C14 mph23 km/h NWMostly Cloudy
9am57°F14°C15 mph24 km/h NWWindy
10am58°F15°C16 mph26 km/h NWWindy
DateLowHighWindDayNight
April 1844°F7°C59°F15°C15 mph24 km/h from NWPartly CloudyPartly Cloudy
April 1938°F3°C56°F13°C8 mph12 km/h from NPartly CloudyPartly Cloudy
April 2037°F3°C55°F13°C10 mph16 km/h from NEMostly CloudyPartly Cloudy
April 2135°F2°C52°F11°C10 mph15 km/h from NEMostly CloudyMostly Cloudy
April 2239°F4°C53°F12°C10 mph16 km/h from NMostly CloudyPartly Cloudy
April 2336°F2°C54°F12°C9 mph15 km/h from NMostly CloudyPartly Cloudy
April 2436°F2°C53°F12°C7 mph12 km/h from NMostly CloudyMostly Cloudy

Yes

Low of 37°F3°C, High of 55°F13°C
Wind: 8 mph12 km/h
Precipitation: None

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