No
you don't need a jacket based on the weather in Whitby, ON, Canada 8 seconds ago
76°F24°C & Clear
Wind is 6 mph10 km/h from the Northwest, gusting to 12 mph20 km/h
| July 27 | ||||
| 10pm | 76°F24°C | 7 mph11 km/h Northwest | Clear | |
| 11pm | 74°F23°C | 6 mph10 km/h Northwest | Clear | |
| July 28 | ||||
| 12am | 73°F23°C | 6 mph9 km/h North | Clear | |
| 1am | 71°F22°C | 6 mph9 km/h North | Clear | |
| 2am | 70°F21°C | 6 mph9 km/h North | Clear | |
| 3am | 70°F21°C | 6 mph10 km/h North | Clear | |
| 4am | 70°F21°C | 6 mph9 km/h North | Clear | |
| 5am | 69°F20°C | 5 mph7 km/h North | Clear | |
| 6am | 68°F20°C | 3 mph5 km/h Northwest | Clear | |
| 7am | 69°F21°C | 2 mph4 km/h Northwest | Clear | |
| 8am | 72°F22°C | 2 mph3 km/h West | Clear | |
| 9am | 76°F24°C | 3 mph4 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 27 | 70°F21°C | 88°F31°C | 10 mph15 km/h from Northwest | Mostly Clear | Clear |
| July 28 | 68°F20°C | 87°F30°C | 7 mph11 km/h from Southwest | Mostly Clear | Clear |
| July 29 | 70°F21°C | 85°F30°C | 5 mph8 km/h from Southwest | Partly Cloudy | Thunderstorms |
| July 30 | 68°F20°C | 81°F27°C | 9 mph14 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| July 31 | 62°F17°C | 77°F25°C | 6 mph9 km/h from East | Mostly Clear | Mostly Clear |
| August 1 | 59°F15°C | 75°F24°C | 6 mph9 km/h from Northeast | Mostly Clear | Clear |
| August 2 | 58°F14°C | 78°F25°C | 5 mph9 km/h from West | Mostly Clear | Clear |
No
Low of 68°F20°C, High of 87°F31°CWind: 7 mph11 km/h
Precipitation: None