Yes

you do need a jacket based on the weather in Flowerpot Island, Bruce County, ON, Canada 1 second ago

Why? Because it's so windy, your hat has officially retired from your head!
69°F21°C & Mostly Cloudy

Wind is 13 mph21 km/h from the South, gusting to 20 mph32 km/h
July 5
7pm69°F21°C13 mph22 km/h SouthMostly Cloudy
8pm69°F20°C13 mph21 km/h SouthwestCloudy
9pm68°F20°C13 mph22 km/h SouthMostly Cloudy
10pm68°F20°C14 mph22 km/h SouthMostly Cloudy
11pm68°F20°C15 mph24 km/h SouthwestMostly Cloudy
July 6
12am67°F20°C15 mph24 km/h SouthwestMostly Cloudy
1am67°F19°C14 mph23 km/h SouthwestMostly Cloudy
2am66°F19°C15 mph23 km/h SouthwestMostly Cloudy
3am66°F19°C14 mph22 km/h SouthwestMostly Cloudy
4am65°F18°C13 mph21 km/h SouthwestMostly Cloudy
5am64°F18°C12 mph20 km/h SouthwestMostly Cloudy
6am64°F18°C12 mph19 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
July 563°F17°C70°F21°C11 mph18 km/h from SouthwestPartly CloudyMostly Cloudy
July 661°F16°C67°F20°C10 mph16 km/h from SouthwestRainRain
July 759°F15°C64°F18°C10 mph17 km/h from NorthDrizzleMostly Clear
July 861°F16°C66°F19°C6 mph9 km/h from NorthMostly ClearPartly Cloudy
July 962°F17°C65°F18°C6 mph9 km/h from EastPartly CloudyPartly Cloudy
July 1063°F17°C67°F19°C6 mph10 km/h from NortheastMostly ClearMostly Clear
July 1163°F17°C68°F20°C5 mph8 km/h from EastPartly CloudyMostly Clear

No

Low of 61°F16°C, High of 67°F20°C
Wind: 10 mph16 km/h
Precipitation: 77% rain

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