Yes

you do need a jacket based on the weather in Moncton, NB, Canada 1 second ago

Why? Because sorry, it's too cool for just a hoodie and it's really really huffing out there!
56°F14°C & Windy

Wind is 20 mph32 km/h from the Southwest, gusting to 41 mph66 km/h
June 1
10am57°F14°C20 mph33 km/h SouthwestWindy
11am58°F14°C20 mph33 km/h SouthwestWindy
12pm58°F15°C21 mph34 km/h SouthwestWindy
1pm60°F16°C21 mph33 km/h SouthwestWindy
2pm60°F16°C21 mph33 km/h SouthwestWindy
3pm61°F16°C21 mph35 km/h SouthwestWindy
4pm59°F15°C18 mph29 km/h SouthwestWindy
5pm58°F15°C17 mph28 km/h SouthwestWindy
6pm57°F14°C16 mph27 km/h SouthwestWindy
7pm55°F13°C15 mph24 km/h SouthwestMostly Clear
8pm54°F12°C13 mph21 km/h SouthwestMostly Clear
9pm52°F11°C12 mph19 km/h SouthwestMostly Clear
DateLowHighWindDayNight
May 3151°F10°C61°F16°C19 mph31 km/h from SouthwestDrizzleMostly Clear
June 148°F9°C64°F18°C13 mph20 km/h from SouthwestPartly CloudyMostly Clear
June 245°F7°C72°F22°C6 mph9 km/h from SouthwestMostly ClearClear
June 350°F10°C80°F27°C7 mph12 km/h from SouthwestMostly ClearMostly Clear
June 455°F13°C84°F29°C6 mph9 km/h from SouthwestMostly ClearDrizzle
June 558°F15°C76°F24°C7 mph11 km/h from NorthMostly CloudyDrizzle
June 655°F13°C71°F21°C5 mph8 km/h from EastDrizzleDrizzle

Yes

Low of 48°F9°C, High of 64°F18°C
Wind: 13 mph20 km/h
Precipitation: None

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