Yes

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

Why? Because it's not very warm out.
51°F11°C & Cloudy

Wind is 4 mph7 km/h from the SE, gusting to 7 mph12 km/h
April 30
11pm51°F11°C4 mph7 km/h SECloudy
May 1
12am51°F10°C5 mph8 km/h SECloudy
1am51°F11°C4 mph6 km/h SECloudy
2am53°F11°C4 mph6 km/h ECloudy
3am55°F13°C5 mph9 km/h ECloudy
4am57°F14°C6 mph9 km/h ECloudy
5am59°F15°C6 mph9 km/h ECloudy
6am62°F17°C6 mph10 km/h ECloudy
7am64°F18°C6 mph10 km/h EMostly Cloudy
8am66°F19°C7 mph11 km/h EPartly Cloudy
9am67°F20°C8 mph13 km/h EPartly Cloudy
10am68°F20°C9 mph15 km/h EMostly Cloudy
DateLowHighWindDayNight
April 3051°F10°C68°F20°C8 mph12 km/h from EMostly CloudyMostly Cloudy
May 150°F10°C69°F21°C11 mph17 km/h from NEMostly CloudyMostly Cloudy
May 249°F9°C61°F16°C14 mph22 km/h from WCloudyPartly Cloudy
May 346°F8°C63°F17°C8 mph13 km/h from SMostly CloudyPartly Cloudy
May 446°F8°C64°F18°C7 mph11 km/h from SMostly CloudyMostly Cloudy
May 551°F10°C65°F19°C11 mph18 km/h from SDrizzleDrizzle
May 650°F10°C65°F19°C10 mph16 km/h from NMostly CloudyPartly Cloudy

Yes

Low of 50°F10°C, High of 69°F21°C
Wind: 11 mph17 km/h
Precipitation: 21% rain

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