No

you don't need a jacket based on the weather in Kingston upon Thames, UK 1 second ago

66°F19°C & Partly Cloudy

Wind is 9 mph14 km/h from the Southwest, gusting to 19 mph30 km/h
September 8
1pm66°F19°C9 mph14 km/h SouthwestPartly Cloudy
2pm64°F18°C7 mph12 km/h SouthwestPartly Cloudy
3pm61°F16°C7 mph11 km/h SouthwestMostly Cloudy
4pm59°F15°C6 mph9 km/h SouthwestMostly Cloudy
5pm58°F14°C5 mph8 km/h SouthwestPartly Cloudy
6pm56°F13°C4 mph7 km/h SouthwestClear
7pm55°F13°C4 mph6 km/h SouthwestClear
8pm54°F12°C4 mph6 km/h SouthwestClear
9pm53°F12°C3 mph5 km/h SouthwestClear
10pm52°F11°C3 mph5 km/h SouthwestClear
11pm51°F11°C2 mph4 km/h SouthClear
September 9
12am50°F10°C2 mph4 km/h SouthClear
DateLowHighWindDayNight
September 755°F13°C70°F21°C6 mph10 km/h from SouthwestMostly ClearMostly Clear
September 850°F10°C67°F20°C7 mph11 km/h from SouthPartly CloudyMostly Cloudy
September 956°F13°C64°F18°C10 mph17 km/h from SouthDrizzleDrizzle
September 1052°F11°C64°F18°C12 mph19 km/h from SouthwestDrizzleDrizzle
September 1150°F10°C63°F17°C11 mph18 km/h from SouthwestDrizzleDrizzle
September 1251°F11°C64°F18°C11 mph18 km/h from SouthwestDrizzleDrizzle
September 1355°F13°C67°F20°C12 mph19 km/h from SouthwestDrizzleWindy

Yes

Low of 50°F10°C, High of 67°F20°C
Wind: 7 mph11 km/h
Precipitation: 7% rain

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