Yes

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

Why? Because it's cold. simple as that.
48°F9°C & Cloudy

Wind is 8 mph13 km/h from the NW, gusting to 16 mph25 km/h
April 25
9am48°F9°C8 mph12 km/h NCloudy
10am48°F9°C7 mph12 km/h NCloudy
11am48°F9°C7 mph11 km/h NCloudy
12pm47°F9°C6 mph10 km/h NCloudy
1pm47°F8°C5 mph8 km/h NCloudy
2pm47°F8°C4 mph7 km/h NCloudy
3pm45°F7°C4 mph6 km/h NECloudy
4pm43°F6°C4 mph7 km/h NECloudy
5pm41°F5°C5 mph8 km/h NEMostly Cloudy
6pm40°F4°C5 mph8 km/h NEPartly Cloudy
7pm38°F3°C5 mph7 km/h NMostly Clear
8pm36°F2°C4 mph7 km/h NMostly Clear
DateLowHighWindDayNight
April 2435°F2°C48°F9°C6 mph10 km/h from NWDrizzlePartly Cloudy
April 2533°F1°C49°F10°C8 mph12 km/h from NEMostly CloudyMostly Cloudy
April 2637°F3°C51°F10°C11 mph18 km/h from NECloudyRain
April 2740°F5°C52°F11°C10 mph17 km/h from NWRainPartly Cloudy
April 2838°F4°C58°F15°C11 mph17 km/h from SPartly CloudyPartly Cloudy
April 2941°F5°C59°F15°C9 mph14 km/h from EMostly CloudyDrizzle
April 3048°F9°C60°F16°C10 mph16 km/h from NEDrizzleCloudy

Yes

Low of 34°F1°C, High of 49°F10°C
Wind: 8 mph12 km/h
Precipitation: 27% rain

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