Yes

you do need a jacket based on the weather in Stratford-upon-Avon CV37 7LS, UK 1 second ago

Why? Because it's cool. Pleasantly cool, but cool and it's on the windy side!
57°F14°C & Cloudy

Wind is 14 mph23 km/h from the South, gusting to 25 mph40 km/h
November 4
4pm57°F14°C15 mph23 km/h SouthDrizzle
5pm56°F13°C14 mph23 km/h SouthDrizzle
6pm56°F13°C15 mph25 km/h SouthDrizzle
7pm57°F14°C15 mph25 km/h SouthRain
8pm57°F14°C15 mph24 km/h SouthRain
9pm57°F14°C15 mph24 km/h SouthDrizzle
10pm58°F14°C15 mph24 km/h SouthDrizzle
11pm58°F15°C16 mph25 km/h SouthWindy
November 5
12am58°F15°C16 mph25 km/h SouthDrizzle
1am58°F14°C15 mph24 km/h SouthWindy
2am58°F14°C15 mph23 km/h SouthCloudy
3am57°F14°C15 mph24 km/h SouthDrizzle
DateLowHighWindDayNight
November 456°F13°C59°F15°C13 mph21 km/h from SouthRainRain
November 556°F13°C61°F16°C14 mph22 km/h from SouthCloudyCloudy
November 654°F12°C62°F17°C7 mph11 km/h from SouthMostly CloudyMostly Cloudy
November 751°F11°C59°F15°C9 mph14 km/h from SouthMostly CloudyDrizzle
November 848°F9°C57°F14°C4 mph7 km/h from SouthPartly CloudyMostly Cloudy
November 946°F8°C55°F13°C5 mph8 km/h from SouthMostly CloudyMostly Cloudy
November 1047°F8°C53°F12°C8 mph12 km/h from SouthCloudyMostly Cloudy

Yes

Low of 56°F14°C, High of 61°F16°C
Wind: 14 mph22 km/h
Precipitation: None

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