Yes

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

Why? Because it's cold. simple as that.
49°F9°C & Mostly Cloudy

Wind is 14 mph23 km/h from the S, gusting to 27 mph43 km/h
April 29
11pm48°F9°C15 mph24 km/h SMostly Cloudy
April 30
12am48°F9°C15 mph24 km/h SEMostly Cloudy
1am47°F9°C15 mph24 km/h SEMostly Cloudy
2am48°F9°C16 mph25 km/h SEWindy
3am50°F10°C16 mph26 km/h SEWindy
4am52°F11°C18 mph28 km/h SEWindy
5am55°F13°C19 mph30 km/h SWindy
6am57°F14°C19 mph31 km/h SWindy
7am58°F14°C20 mph32 km/h SWindy
8am59°F15°C20 mph32 km/h SWindy
9am59°F15°C20 mph31 km/h SWindy
10am58°F15°C19 mph31 km/h SWindy
DateLowHighWindDayNight
April 2947°F9°C59°F15°C18 mph28 km/h from SWindyCloudy
April 3048°F9°C62°F17°C3 mph5 km/h from NERainRain
May 151°F10°C61°F16°C9 mph14 km/h from NRainRain
May 249°F9°C57°F14°C11 mph17 km/h from WDrizzleDrizzle
May 346°F8°C58°F14°C8 mph13 km/h from SWDrizzleRain
May 447°F8°C59°F15°C11 mph18 km/h from SWRainDrizzle
May 547°F8°C61°F16°C10 mph15 km/h from SWDrizzleMostly Cloudy

Yes

Low of 48°F9°C, High of 62°F17°C
Wind: 3 mph5 km/h
Precipitation: 43% rain

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