Yes

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

Why? Because it's bitterly cold.
37°F3°C & Cloudy

Wind is 5 mph8 km/h from the SW, gusting to 12 mph19 km/h
April 25
2am37°F3°C6 mph9 km/h SWCloudy
3am40°F5°C7 mph11 km/h SWMostly Cloudy
4am44°F7°C8 mph12 km/h WMostly Cloudy
5am47°F8°C8 mph13 km/h WMostly Cloudy
6am48°F9°C9 mph15 km/h WMostly Cloudy
7am48°F9°C10 mph16 km/h WMostly Cloudy
8am49°F9°C9 mph14 km/h WCloudy
9am50°F10°C7 mph11 km/h WDrizzle
10am51°F10°C7 mph11 km/h WCloudy
11am51°F11°C6 mph9 km/h NWCloudy
12pm51°F11°C6 mph9 km/h NWCloudy
1pm50°F10°C7 mph11 km/h NCloudy
DateLowHighWindDayNight
April 2434°F1°C51°F11°C7 mph12 km/h from WDrizzleMostly Cloudy
April 2536°F2°C52°F11°C6 mph9 km/h from NEMostly CloudyDrizzle
April 2639°F4°C53°F12°C10 mph17 km/h from NEDrizzleRain
April 2742°F6°C52°F11°C11 mph17 km/h from WRainPartly Cloudy
April 2838°F3°C59°F15°C11 mph17 km/h from SPartly CloudyPartly Cloudy
April 2943°F6°C62°F17°C10 mph16 km/h from SEMostly CloudyMostly Cloudy
April 3048°F9°C62°F17°C10 mph16 km/h from NECloudyCloudy

Yes

Low of 36°F2°C, High of 53°F12°C
Wind: 6 mph9 km/h
Precipitation: None

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