Yes

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

Why? Because it's bitterly cold.
40°F4°C & Cloudy

Wind is 3 mph5 km/h from the NE, gusting to 5 mph8 km/h
April 25
7pm39°F4°C3 mph5 km/h NECloudy
8pm39°F4°C3 mph5 km/h NEMostly Cloudy
9pm38°F3°C3 mph5 km/h NMostly Cloudy
10pm36°F2°C4 mph6 km/h NMostly Cloudy
11pm35°F2°C4 mph7 km/h NMostly Cloudy
April 26
12am34°F1°C4 mph7 km/h NMostly Cloudy
1am34°F1°C4 mph7 km/h NMostly Cloudy
2am35°F2°C5 mph7 km/h NMostly Cloudy
3am38°F3°C5 mph9 km/h NMostly Cloudy
4am41°F5°C6 mph10 km/h NEMostly Cloudy
5am44°F7°C7 mph11 km/h NEMostly Cloudy
6am47°F8°C7 mph11 km/h NEMostly Cloudy
DateLowHighWindDayNight
April 2435°F2°C51°F11°C6 mph10 km/h from WMostly CloudyMostly Cloudy
April 2534°F1°C53°F12°C5 mph9 km/h from NEMostly CloudyRain
April 2638°F4°C51°F10°C13 mph21 km/h from NERainRain
April 2743°F6°C52°F11°C10 mph17 km/h from NWRainPartly Cloudy
April 2838°F3°C59°F15°C14 mph22 km/h from SPartly CloudyPartly Cloudy
April 2945°F7°C63°F17°C10 mph16 km/h from SEMostly CloudyDrizzle
April 3049°F9°C69°F20°C7 mph11 km/h from EMostly CloudyDrizzle

Yes

Low of 34°F1°C, High of 53°F12°C
Wind: 5 mph9 km/h
Precipitation: None

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