Yes

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

Why? Because it's cool. Pleasantly cool, but cool.
54°F12°C & Mostly Cloudy

Wind is 3 mph5 km/h from the S, gusting to 5 mph8 km/h
May 5
4pm52°F11°C3 mph5 km/h SEPartly Cloudy
5pm51°F10°C3 mph5 km/h SEPartly Cloudy
6pm49°F9°C3 mph5 km/h SPartly Cloudy
7pm48°F9°C3 mph5 km/h SPartly Cloudy
8pm47°F8°C2 mph4 km/h SPartly Cloudy
9pm46°F8°C1 mph2 km/h SWPartly Cloudy
10pm44°F7°C2 mph3 km/h NWMostly Cloudy
11pm45°F7°C2 mph3 km/h NMostly Cloudy
May 6
12am45°F7°C2 mph3 km/h NMostly Cloudy
1am46°F8°C2 mph4 km/h NMostly Cloudy
2am47°F8°C3 mph4 km/h NWCloudy
3am49°F10°C3 mph6 km/h NCloudy
DateLowHighWindDayNight
May 441°F5°C63°F17°C5 mph8 km/h from SEMostly CloudyMostly Cloudy
May 544°F7°C59°F15°C5 mph8 km/h from NDrizzleDrizzle
May 647°F8°C69°F21°C7 mph12 km/h from NPartly CloudyPartly Cloudy
May 746°F8°C67°F20°C4 mph6 km/h from EPartly CloudyMostly Cloudy
May 848°F9°C71°F22°C5 mph7 km/h from SWMostly CloudyMostly Cloudy
May 949°F9°C71°F22°C2 mph4 km/h from SEMostly CloudyMostly Cloudy
May 1052°F11°C73°F23°C4 mph7 km/h from EPartly CloudyPartly Cloudy

Yes

Low of 45°F7°C, High of 59°F15°C
Wind: 5 mph8 km/h
Precipitation: 58% rain

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