No
you don't need a jacket based on the weather in Whitby, ON, Canada 1 second ago
60°F15°C & Cloudy
Wind is 7 mph12 km/h from the Northwest, gusting to 15 mph24 km/h
| September 7 | ||||
| 8pm | 58°F14°C | 5 mph8 km/h West | Mostly Clear | |
| 9pm | 56°F13°C | 6 mph9 km/h Northwest | Clear | |
| 10pm | 54°F12°C | 6 mph9 km/h Northwest | Clear | |
| 11pm | 53°F12°C | 6 mph9 km/h Northwest | Clear | |
| September 8 | ||||
| 12am | 52°F11°C | 6 mph9 km/h Northwest | Clear | |
| 1am | 51°F10°C | 6 mph9 km/h Northwest | Clear | |
| 2am | 50°F10°C | 6 mph10 km/h Northwest | Clear | |
| 3am | 49°F9°C | 6 mph10 km/h Northwest | Clear | |
| 4am | 49°F9°C | 6 mph10 km/h Northwest | Clear | |
| 5am | 48°F9°C | 6 mph10 km/h Northwest | Clear | |
| 6am | 48°F9°C | 6 mph10 km/h Northwest | Clear | |
| 7am | 48°F9°C | 6 mph10 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 52°F11°C | 63°F17°C | 8 mph13 km/h from West | Partly Cloudy | Rain |
| September 8 | 48°F9°C | 67°F19°C | 6 mph10 km/h from West | Mostly Clear | Clear |
| September 9 | 53°F12°C | 71°F22°C | 6 mph10 km/h from Southeast | Clear | Mostly Clear |
| September 10 | 55°F13°C | 74°F23°C | 5 mph8 km/h from South | Partly Cloudy | Mostly Clear |
| September 11 | 56°F14°C | 74°F23°C | 6 mph10 km/h from North | Mostly Clear | Mostly Clear |
| September 12 | 53°F12°C | 70°F21°C | 6 mph9 km/h from East | Partly Cloudy | Partly Cloudy |
| September 13 | 55°F13°C | 72°F22°C | 6 mph9 km/h from South | Partly Cloudy | Mostly Cloudy |
Yes
Low of 48°F9°C, High of 67°F20°CWind: 6 mph10 km/h
Precipitation: None