Yes

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

Why? Because the wind makes walking forward feel like moonwalking in reverse!
64°F18°C & Windy

Wind is 17 mph27 km/h from the Southwest, gusting to 30 mph49 km/h
September 11
10am64°F18°C17 mph27 km/h SouthwestRain
11am62°F17°C16 mph25 km/h SouthwestDrizzle
12pm62°F17°C16 mph25 km/h SouthwestWindy
1pm61°F16°C14 mph23 km/h SouthwestPartly Cloudy
2pm59°F15°C14 mph22 km/h SouthwestMostly Clear
3pm58°F15°C14 mph22 km/h WestPartly Cloudy
4pm57°F14°C11 mph18 km/h SouthwestPartly Cloudy
5pm56°F13°C12 mph19 km/h SouthwestMostly Clear
6pm56°F13°C12 mph20 km/h SouthwestClear
7pm55°F13°C13 mph20 km/h SouthwestClear
8pm54°F12°C13 mph21 km/h SouthwestMostly Clear
9pm54°F12°C13 mph20 km/h SouthwestMostly Clear
DateLowHighWindDayNight
September 1055°F13°C65°F19°C12 mph20 km/h from SouthwestRainMostly Clear
September 1153°F12°C65°F18°C13 mph21 km/h from SouthwestDrizzleDrizzle
September 1253°F12°C65°F18°C12 mph19 km/h from SouthwestDrizzleMostly Clear
September 1350°F10°C66°F19°C12 mph19 km/h from SouthRainDrizzle
September 1456°F13°C64°F18°C22 mph36 km/h from SouthwestDrizzlePartly Cloudy
September 1553°F12°C65°F18°C13 mph21 km/h from WestMostly CloudyCloudy
September 1653°F12°C66°F19°C13 mph21 km/h from SouthwestDrizzleMostly Cloudy

Yes

Low of 53°F12°C, High of 64°F18°C
Wind: 13 mph21 km/h
Precipitation: 48% rain

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