No

you don't need a jacket based on the weather in Oakville (Uptown Core), Ontario, Canada 1 second ago

73°F23°C & Mostly Cloudy

Wind is 6 mph9 km/h from the West, gusting to 12 mph19 km/h
August 17
12am73°F23°C6 mph10 km/h WestCloudy
1am72°F22°C7 mph11 km/h WestPartly Cloudy
2am72°F22°C7 mph11 km/h WestMostly Clear
3am71°F22°C7 mph11 km/h WestMostly Cloudy
4am71°F21°C9 mph15 km/h NorthwestThunderstorms
5am71°F22°C5 mph9 km/h WestCloudy
6am71°F22°C7 mph11 km/h NorthwestThunderstorms
7am71°F22°C5 mph7 km/h WestThunderstorms
8am72°F22°C5 mph8 km/h NorthwestThunderstorms
9am74°F23°C4 mph6 km/h NorthwestDrizzle
10am75°F24°C4 mph6 km/h NorthwestDrizzle
11am77°F25°C4 mph7 km/h NorthwestRain
DateLowHighWindDayNight
August 1665°F18°C87°F30°C3 mph5 km/h from SoutheastClearThunderstorms
August 1766°F19°C78°F26°C8 mph13 km/h from NorthThunderstormsPartly Cloudy
August 1858°F15°C71°F22°C11 mph18 km/h from EastMostly ClearMostly Clear
August 1962°F17°C74°F23°C6 mph10 km/h from EastMostly CloudyRain
August 2067°F19°C77°F25°C7 mph12 km/h from NortheastDrizzlePartly Cloudy
August 2165°F19°C76°F25°C8 mph13 km/h from EastMostly ClearClear
August 2263°F17°C80°F26°C5 mph8 km/h from EastClearClear

No

Low of 65°F19°C, High of 79°F26°C
Wind: 8 mph13 km/h
Precipitation: 68% rain

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