Yes

you do need a jacket based on the weather in St. John's, NL, Canada 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter and it's so gusty, you’re basically doing accidental parkour!
59°F15°C & Partly Cloudy

Wind is 11 mph18 km/h from the Southwest, gusting to 22 mph35 km/h
June 6
7am60°F16°C12 mph19 km/h SouthwestMostly Cloudy
8am63°F17°C12 mph20 km/h SouthwestPartly Cloudy
9am65°F18°C12 mph20 km/h SouthwestPartly Cloudy
10am68°F20°C13 mph21 km/h SouthwestPartly Cloudy
11am69°F21°C13 mph20 km/h SouthwestPartly Cloudy
12pm70°F21°C12 mph19 km/h SouthwestPartly Cloudy
1pm70°F21°C11 mph18 km/h SouthwestMostly Cloudy
2pm70°F21°C11 mph18 km/h SouthwestMostly Cloudy
3pm69°F21°C10 mph17 km/h SouthwestMostly Cloudy
4pm69°F20°C10 mph16 km/h SouthwestPartly Cloudy
5pm67°F20°C10 mph15 km/h SouthwestPartly Cloudy
6pm65°F19°C9 mph14 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
June 557°F14°C70°F21°C11 mph18 km/h from SouthwestPartly CloudyMostly Cloudy
June 654°F12°C66°F19°C8 mph12 km/h from SouthwestMostly CloudyCloudy
June 751°F10°C61°F16°C13 mph21 km/h from SouthRainRain
June 844°F7°C56°F14°C10 mph17 km/h from NorthwestPartly CloudyPartly Cloudy
June 945°F7°C66°F19°C6 mph9 km/h from SouthwestMostly ClearMostly Cloudy
June 1046°F8°C59°F15°C12 mph19 km/h from SouthMostly CloudyDrizzle
June 1149°F9°C63°F17°C15 mph24 km/h from WestDrizzleMostly Cloudy

Yes

Low of 55°F13°C, High of 66°F19°C
Wind: 8 mph12 km/h
Precipitation: 12% rain

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