No

you don't need a jacket based on the weather in Mississauga, ON, Canada 1 second ago

82°F28°C & Clear

Wind is 4 mph7 km/h from the South, gusting to 7 mph12 km/h
July 15
12pm83°F28°C4 mph7 km/h SouthClear
1pm85°F30°C4 mph7 km/h SouthClear
2pm87°F30°C5 mph9 km/h SoutheastClear
3pm88°F31°C6 mph10 km/h SoutheastClear
4pm88°F31°C7 mph11 km/h SoutheastClear
5pm88°F31°C7 mph12 km/h SouthClear
6pm87°F31°C7 mph11 km/h SouthClear
7pm85°F29°C6 mph9 km/h SouthClear
8pm82°F28°C5 mph8 km/h SouthClear
9pm80°F26°C4 mph6 km/h SouthClear
10pm77°F25°C4 mph7 km/h SouthClear
11pm76°F24°C3 mph6 km/h SouthClear
DateLowHighWindDayNight
July 1567°F19°C88°F31°C5 mph7 km/h from SouthClearClear
July 1669°F20°C86°F30°C5 mph8 km/h from SouthPartly CloudyDrizzle
July 1765°F18°C84°F29°C11 mph18 km/h from WestDrizzlePartly Cloudy
July 1859°F15°C75°F24°C7 mph11 km/h from EastClearMostly Clear
July 1960°F15°C79°F26°C4 mph6 km/h from SouthPartly CloudyDrizzle
July 2064°F18°C78°F26°C5 mph8 km/h from NortheastDrizzleMostly Clear
July 2163°F17°C79°F26°C6 mph10 km/h from NorthMostly ClearMostly Clear

No

Low of 69°F21°C, High of 86°F30°C
Wind: 5 mph8 km/h
Precipitation: 19% rain

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