Yes

you do need a jacket based on the weather in Portglenone, Ballymena BT44, UK 1 second ago

Why? Because it's not very warm out and it's windy enough to give you a brand new hairdo!
55°F13°C & Mostly Clear

Wind is 12 mph20 km/h from the West, gusting to 22 mph36 km/h
September 16
5am55°F13°C13 mph21 km/h WestMostly Clear
6am57°F14°C14 mph22 km/h WestPartly Cloudy
7am59°F15°C14 mph22 km/h WestPartly Cloudy
8am60°F15°C14 mph22 km/h WestMostly Cloudy
9am60°F16°C13 mph21 km/h WestMostly Cloudy
10am61°F16°C12 mph19 km/h WestMostly Cloudy
11am60°F16°C11 mph18 km/h WestMostly Cloudy
12pm60°F15°C9 mph14 km/h WestCloudy
1pm59°F15°C6 mph10 km/h WestCloudy
2pm57°F14°C4 mph6 km/h WestCloudy
3pm55°F13°C3 mph5 km/h SouthwestCloudy
4pm54°F12°C4 mph7 km/h SouthCloudy
DateLowHighWindDayNight
September 1552°F11°C61°F16°C11 mph18 km/h from WestMostly CloudyRain
September 1652°F11°C62°F17°C16 mph26 km/h from SouthwestDrizzleRain
September 1753°F11°C65°F18°C12 mph20 km/h from SouthwestRainDrizzle
September 1851°F10°C62°F17°C8 mph13 km/h from WestDrizzleCloudy
September 1948°F9°C58°F14°C13 mph21 km/h from NorthDrizzleDrizzle
September 2044°F7°C55°F13°C15 mph25 km/h from NorthWindyPartly Cloudy
September 2141°F5°C57°F14°C10 mph17 km/h from NortheastPartly CloudyPartly Cloudy

Yes

Low of 52°F11°C, High of 63°F17°C
Wind: 16 mph26 km/h
Precipitation: 61% rain

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