Yes

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

Why? Because it's drizzling and it's windy enough to give you a brand new hairdo!
63°F17°C & Drizzle

Wind is 10 mph16 km/h from the South, gusting to 20 mph32 km/h
September 10
1pm62°F17°C9 mph15 km/h SouthCloudy
2pm62°F16°C9 mph14 km/h SouthDrizzle
3pm61°F16°C8 mph14 km/h SouthDrizzle
4pm61°F16°C8 mph13 km/h SouthwestDrizzle
5pm60°F16°C9 mph15 km/h SouthwestPartly Cloudy
6pm59°F15°C11 mph17 km/h WestPartly Cloudy
7pm58°F14°C10 mph16 km/h WestMostly Clear
8pm56°F14°C9 mph15 km/h WestClear
9pm56°F13°C9 mph15 km/h SouthwestMostly Clear
10pm55°F13°C9 mph15 km/h SouthwestMostly Clear
11pm54°F12°C9 mph15 km/h SouthwestPartly Cloudy
September 11
12am54°F12°C9 mph14 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
September 957°F14°C64°F18°C8 mph12 km/h from SouthRainDrizzle
September 1053°F12°C64°F18°C12 mph19 km/h from SouthwestDrizzleDrizzle
September 1151°F10°C64°F18°C12 mph19 km/h from SouthwestDrizzleThunderstorms
September 1253°F12°C64°F18°C11 mph18 km/h from SouthwestThunderstormsPartly Cloudy
September 1353°F12°C67°F20°C17 mph27 km/h from SouthwestRainDrizzle
September 1455°F13°C64°F18°C17 mph28 km/h from SouthwestWindyMostly Clear
September 1552°F11°C62°F17°C13 mph20 km/h from SouthwestThunderstormsThunderstorms

Yes

Low of 54°F12°C, High of 64°F18°C
Wind: 12 mph19 km/h
Precipitation: 63% rain

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