Yes

you do need a jacket based on the weather in Oakhurst Cl, Chislehurst BR7 5LF, UK 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it and it's so windy, your hat has officially retired from your head!
54°F12°C & Cloudy

Wind is 10 mph16 km/h from the South, gusting to 22 mph36 km/h
October 30
4pm53°F12°C10 mph16 km/h SouthCloudy
5pm52°F11°C10 mph16 km/h SouthCloudy
6pm51°F11°C10 mph17 km/h SouthCloudy
7pm51°F11°C11 mph18 km/h SouthCloudy
8pm51°F11°C12 mph20 km/h SouthCloudy
9pm52°F11°C13 mph21 km/h SouthCloudy
10pm53°F12°C14 mph22 km/h SouthCloudy
11pm54°F12°C15 mph24 km/h SouthCloudy
October 31
12am54°F12°C15 mph24 km/h SouthCloudy
1am54°F12°C14 mph23 km/h SouthDrizzle
2am55°F13°C14 mph22 km/h SouthCloudy
3am55°F13°C14 mph22 km/h SouthCloudy
DateLowHighWindDayNight
October 3043°F6°C55°F13°C7 mph11 km/h from SouthMostly CloudyDrizzle
October 3154°F12°C59°F15°C14 mph22 km/h from SouthRainRain
November 147°F8°C58°F14°C11 mph18 km/h from SouthwestDrizzleRain
November 245°F7°C53°F12°C8 mph13 km/h from WestRainPartly Cloudy
November 345°F7°C58°F14°C15 mph25 km/h from SouthwestWindyMostly Cloudy
November 453°F12°C58°F14°C12 mph19 km/h from SouthDrizzleCloudy
November 552°F11°C58°F14°C10 mph16 km/h from SouthDrizzleDrizzle

Yes

Low of 55°F13°C, High of 60°F16°C
Wind: 14 mph22 km/h
Precipitation: 67% rain

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