Yes

you do need a jacket based on the weather in Dublin (Grand Canal Dock), County Dublin, Ireland 1 second ago

Why? Because the wind makes walking forward feel like moonwalking in reverse!
63°F17°C & Windy

Wind is 16 mph25 km/h from the Southwest, gusting to 30 mph48 km/h
June 2
11am63°F17°C16 mph26 km/h SouthwestWindy
12pm61°F16°C17 mph27 km/h SouthwestWindy
1pm60°F16°C17 mph28 km/h SouthwestWindy
2pm59°F15°C18 mph28 km/h SouthWindy
3pm58°F14°C18 mph29 km/h SouthWindy
4pm57°F14°C19 mph31 km/h SouthWindy
5pm56°F13°C20 mph31 km/h SouthDrizzle
6pm56°F13°C20 mph32 km/h SouthDrizzle
7pm56°F13°C19 mph30 km/h SouthwestRain
8pm55°F13°C17 mph28 km/h SouthwestRain
9pm54°F12°C15 mph24 km/h WestRain
10pm53°F12°C15 mph24 km/h WestPartly Cloudy
DateLowHighWindDayNight
June 147°F8°C64°F18°C11 mph17 km/h from SouthwestMostly CloudyRain
June 250°F10°C59°F15°C17 mph27 km/h from WestWindyMostly Clear
June 347°F8°C61°F16°C13 mph21 km/h from WestMostly CloudyDrizzle
June 450°F10°C60°F15°C9 mph15 km/h from WestDrizzleDrizzle
June 548°F9°C61°F16°C9 mph14 km/h from SouthwestDrizzleDrizzle
June 649°F9°C59°F15°C11 mph17 km/h from WestDrizzleDrizzle
June 747°F8°C61°F16°C13 mph20 km/h from WestMostly CloudyMostly Cloudy

Yes

Low of 50°F10°C, High of 60°F16°C
Wind: 17 mph27 km/h
Precipitation: 15% rain

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