Yes

you do need a jacket based on the weather in London SE20, UK 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
52°F11°C & Mostly Cloudy

Wind is 4 mph7 km/h from the Southwest, gusting to 11 mph17 km/h
November 8
7am52°F11°C5 mph8 km/h SouthwestCloudy
8am52°F11°C5 mph8 km/h SouthwestCloudy
9am53°F12°C5 mph9 km/h WestCloudy
10am54°F12°C6 mph9 km/h WestCloudy
11am55°F13°C6 mph10 km/h WestCloudy
12pm57°F14°C7 mph11 km/h WestCloudy
1pm58°F14°C7 mph11 km/h WestMostly Cloudy
2pm58°F15°C7 mph11 km/h WestMostly Cloudy
3pm59°F15°C6 mph9 km/h WestMostly Cloudy
4pm58°F14°C5 mph8 km/h WestPartly Cloudy
5pm56°F13°C5 mph8 km/h WestMostly Clear
6pm54°F12°C5 mph9 km/h WestMostly Clear
DateLowHighWindDayNight
November 847°F9°C59°F15°C6 mph9 km/h from WestMostly CloudyMostly Clear
November 945°F7°C58°F15°C7 mph12 km/h from SouthMostly CloudyDrizzle
November 1049°F9°C56°F13°C10 mph15 km/h from SouthDrizzleMostly Cloudy
November 1147°F8°C58°F15°C11 mph17 km/h from SouthCloudyMostly Cloudy
November 1252°F11°C58°F15°C12 mph19 km/h from SouthDrizzleDrizzle
November 1353°F12°C60°F16°C8 mph12 km/h from SouthMostly CloudyDrizzle
November 1453°F12°C60°F16°C8 mph13 km/h from SouthRainRain

Yes

Low of 46°F8°C, High of 58°F15°C
Wind: 7 mph12 km/h
Precipitation: None

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