Yes

you do need a jacket based on the weather in Limerick, Ireland 1 second ago

Why? Because it's cool. Pleasantly cool, but cool!
55°F13°C & Cloudy

Wind is 1 mph2 km/h from the South, gusting to 4 mph7 km/h
June 14
3am56°F13°C2 mph3 km/h SouthwestDrizzle
4am57°F14°C3 mph5 km/h WestDrizzle
5am58°F15°C5 mph7 km/h WestDrizzle
6am60°F15°C6 mph10 km/h WestCloudy
7am62°F16°C8 mph12 km/h WestCloudy
8am63°F17°C10 mph16 km/h WestMostly Cloudy
9am63°F17°C11 mph18 km/h WestMostly Cloudy
10am64°F18°C14 mph22 km/h WestMostly Cloudy
11am64°F18°C15 mph23 km/h WestMostly Cloudy
12pm64°F18°C15 mph24 km/h WestMostly Cloudy
1pm63°F17°C14 mph23 km/h WestPartly Cloudy
2pm62°F17°C14 mph22 km/h WestPartly Cloudy
DateLowHighWindDayNight
June 1353°F12°C64°F18°C9 mph15 km/h from WestDrizzleMostly Cloudy
June 1451°F11°C67°F19°C13 mph20 km/h from WestMostly CloudyPartly Cloudy
June 1552°F11°C70°F21°C10 mph16 km/h from SouthwestMostly CloudyCloudy
June 1653°F12°C69°F20°C9 mph15 km/h from WestPartly CloudyPartly Cloudy
June 1748°F9°C72°F22°C5 mph8 km/h from SoutheastPartly CloudyMostly Clear
June 1854°F12°C73°F23°C14 mph22 km/h from SouthMostly CloudyMostly Cloudy
June 1954°F12°C68°F20°C15 mph23 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 51°F11°C, High of 67°F20°C
Wind: 13 mph20 km/h
Precipitation: 16% rain

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