Yes

you do need a jacket based on the weather in Biggleswade SG18, UK 1 second ago

Why? Because it's cool. Pleasantly cool, but cool!
55°F13°C & Cloudy

Wind is 9 mph14 km/h from the Southeast, gusting to 15 mph24 km/h
April 25
3pm52°F11°C9 mph14 km/h SoutheastMostly Cloudy
4pm49°F10°C8 mph14 km/h SoutheastCloudy
5pm47°F9°C8 mph13 km/h SoutheastMostly Cloudy
6pm46°F8°C7 mph11 km/h SoutheastCloudy
7pm45°F7°C6 mph9 km/h SoutheastMostly Cloudy
8pm43°F6°C5 mph8 km/h EastMostly Cloudy
9pm42°F6°C4 mph7 km/h EastMostly Cloudy
10pm42°F6°C4 mph6 km/h EastCloudy
11pm42°F6°C4 mph6 km/h EastCloudy
April 26
12am42°F6°C4 mph6 km/h EastCloudy
1am43°F6°C4 mph6 km/h EastCloudy
2am44°F7°C3 mph5 km/h NortheastCloudy
DateLowHighWindDayNight
April 2436°F2°C59°F15°C5 mph7 km/h from SoutheastMostly CloudyCloudy
April 2542°F6°C61°F16°C4 mph7 km/h from EastCloudyMostly Cloudy
April 2643°F6°C66°F19°C3 mph5 km/h from SouthwestPartly CloudyMostly Clear
April 2746°F8°C68°F20°C3 mph4 km/h from SoutheastPartly CloudyClear
April 2846°F8°C70°F21°C7 mph11 km/h from SoutheastClearMostly Clear
April 2947°F8°C74°F23°C5 mph8 km/h from SoutheastMostly ClearMostly Clear
April 3052°F11°C73°F23°C5 mph9 km/h from WestPartly CloudyMostly Cloudy

Yes

Low of 42°F6°C, High of 61°F16°C
Wind: 4 mph7 km/h
Precipitation: None

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