Yes

you do need a jacket based on the weather in Stevenage, 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 7 mph11 km/h from the Southwest, gusting to 12 mph20 km/h
November 8
7am52°F11°C7 mph11 km/h SouthwestMostly Cloudy
8am52°F11°C6 mph10 km/h SouthwestMostly Cloudy
9am53°F12°C7 mph11 km/h SouthwestMostly Cloudy
10am54°F12°C8 mph12 km/h WestMostly Cloudy
11am56°F13°C8 mph13 km/h WestMostly Cloudy
12pm57°F14°C8 mph13 km/h WestMostly Cloudy
1pm58°F14°C8 mph13 km/h WestMostly Cloudy
2pm58°F15°C8 mph13 km/h WestPartly Cloudy
3pm58°F14°C7 mph12 km/h WestPartly Cloudy
4pm56°F14°C6 mph10 km/h WestMostly Clear
5pm55°F13°C6 mph9 km/h WestPartly Cloudy
6pm53°F12°C6 mph9 km/h WestMostly Clear
DateLowHighWindDayNight
November 846°F8°C58°F15°C7 mph11 km/h from WestPartly CloudyMostly Clear
November 944°F7°C58°F15°C10 mph17 km/h from SouthMostly CloudyDrizzle
November 1048°F9°C56°F13°C11 mph17 km/h from SouthRainMostly Cloudy
November 1146°F8°C58°F14°C13 mph21 km/h from SouthCloudyCloudy
November 1251°F11°C58°F15°C14 mph22 km/h from SouthCloudyCloudy
November 1353°F12°C59°F15°C10 mph16 km/h from SouthCloudyCloudy
November 1452°F11°C60°F16°C10 mph16 km/h from SouthDrizzleDrizzle

Yes

Low of 44°F7°C, High of 58°F15°C
Wind: 10 mph17 km/h
Precipitation: None

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