Yes

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

Why? Because it's cool. Pleasantly cool, but cool!
58°F15°C & Mostly Cloudy

Wind is 7 mph12 km/h from the Southeast, gusting to 15 mph24 km/h
April 25
12pm58°F15°C8 mph13 km/h SoutheastMostly Cloudy
1pm58°F15°C8 mph12 km/h SouthMostly Cloudy
2pm57°F14°C7 mph11 km/h SoutheastPartly Cloudy
3pm55°F13°C6 mph9 km/h SoutheastMostly Cloudy
4pm53°F12°C5 mph9 km/h SoutheastPartly Cloudy
5pm51°F10°C5 mph8 km/h SoutheastMostly Cloudy
6pm49°F9°C5 mph9 km/h EastMostly Cloudy
7pm48°F9°C6 mph9 km/h EastMostly Cloudy
8pm48°F9°C6 mph9 km/h EastMostly Cloudy
9pm48°F9°C6 mph9 km/h EastCloudy
10pm47°F9°C5 mph9 km/h EastCloudy
11pm47°F9°C5 mph8 km/h EastCloudy
DateLowHighWindDayNight
April 2442°F6°C58°F15°C8 mph12 km/h from SoutheastMostly CloudyMostly Cloudy
April 2547°F9°C60°F15°C6 mph10 km/h from SouthCloudyMostly Cloudy
April 2645°F7°C63°F17°C8 mph12 km/h from SouthwestMostly CloudyMostly Cloudy
April 2749°F9°C68°F20°C4 mph7 km/h from SouthwestPartly CloudyMostly Cloudy
April 2851°F10°C70°F21°C5 mph8 km/h from SouthMostly CloudyMostly Cloudy
April 2951°F11°C72°F22°C5 mph8 km/h from SouthwestMostly ClearMostly Clear
April 3052°F11°C69°F21°C7 mph11 km/h from NorthwestMostly ClearMostly Clear

Yes

Low of 47°F9°C, High of 60°F16°C
Wind: 6 mph10 km/h
Precipitation: None

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