Yes

you do need a jacket based on the weather in Comberton, Cambridge CB23, UK 1 second ago

Why? Because too cold for just a hoodie, too warm for a parka!
38°F3°C & Mostly Clear

Wind is 3 mph5 km/h from the West, gusting to 4 mph7 km/h
May 23
1am40°F4°C3 mph5 km/h WestMostly Clear
2am44°F7°C3 mph4 km/h WestPartly Cloudy
3am49°F9°C3 mph4 km/h WestMostly Clear
4am52°F11°C4 mph6 km/h WestMostly Clear
5am55°F13°C6 mph10 km/h WestMostly Clear
6am58°F15°C8 mph13 km/h WestPartly Cloudy
7am60°F16°C9 mph14 km/h WestMostly Cloudy
8am61°F16°C10 mph16 km/h WestMostly Cloudy
9am63°F17°C9 mph14 km/h WestMostly Cloudy
10am64°F18°C9 mph14 km/h WestMostly Cloudy
11am65°F18°C9 mph14 km/h WestMostly Cloudy
12pm66°F19°C8 mph13 km/h WestMostly Cloudy
DateLowHighWindDayNight
May 2237°F3°C66°F19°C7 mph11 km/h from WestPartly CloudyRain
May 2353°F11°C69°F21°C14 mph23 km/h from WestDrizzleDrizzle
May 2453°F12°C65°F18°C18 mph29 km/h from WestWindyMostly Clear
May 2549°F10°C64°F18°C17 mph27 km/h from SouthwestWindyDrizzle
May 2652°F11°C64°F18°C16 mph25 km/h from SouthwestDrizzleRain
May 2755°F13°C67°F20°C17 mph27 km/h from WestWindyMostly Cloudy
May 2852°F11°C69°F20°C12 mph19 km/h from WestMostly CloudyPartly Cloudy

Yes

Low of 53°F12°C, High of 70°F21°C
Wind: 14 mph23 km/h
Precipitation: 72% rain

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