Yes

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

Why? Because it's cool. Pleasantly cool, but cool!
51°F11°C & Cloudy

Wind is 8 mph13 km/h from the East, gusting to 16 mph26 km/h
March 20
7pm50°F10°C8 mph13 km/h SoutheastCloudy
8pm50°F10°C8 mph13 km/h SoutheastCloudy
9pm49°F10°C8 mph12 km/h EastCloudy
10pm49°F10°C8 mph12 km/h EastCloudy
11pm49°F10°C9 mph14 km/h EastCloudy
March 21
12am49°F10°C8 mph13 km/h EastCloudy
1am49°F9°C9 mph14 km/h EastCloudy
2am49°F9°C9 mph15 km/h EastCloudy
3am49°F9°C10 mph16 km/h EastCloudy
4am51°F10°C11 mph18 km/h EastCloudy
5am53°F12°C12 mph19 km/h EastCloudy
6am55°F13°C13 mph20 km/h SoutheastCloudy
DateLowHighWindDayNight
March 1942°F5°C66°F19°C4 mph6 km/h from SoutheastMostly ClearCloudy
March 2049°F9°C60°F16°C13 mph22 km/h from SoutheastRainRain
March 2146°F8°C56°F14°C8 mph13 km/h from SouthCloudyDrizzle
March 2245°F7°C55°F13°C7 mph12 km/h from NorthRainPartly Cloudy
March 2343°F6°C56°F13°C9 mph14 km/h from NorthMostly CloudyMostly Cloudy
March 2441°F5°C55°F13°C6 mph9 km/h from NorthwestMostly CloudyMostly Cloudy
March 2541°F5°C56°F13°C5 mph9 km/h from NorthPartly CloudyPartly Cloudy

Yes

Low of 48°F9°C, High of 60°F16°C
Wind: 13 mph22 km/h
Precipitation: 61% rain

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