Yes
you do need a jacket based on the weather in Oakville, ON, Canada 1 second ago
Why? Because it's not very warm out.
57°F14°C & Cloudy
Wind is 4 mph6 km/h from the N, gusting to 7 mph11 km/h
| May 3 | ||||
| 9pm | 57°F14°C | 5 mph8 km/h N | Cloudy | |
| 10pm | 57°F14°C | 5 mph8 km/h N | Mostly Cloudy | |
| 11pm | 55°F13°C | 5 mph7 km/h N | Mostly Cloudy | |
| May 4 | ||||
| 12am | 55°F13°C | 4 mph7 km/h N | Cloudy | |
| 1am | 54°F12°C | 4 mph7 km/h N | Cloudy | |
| 2am | 53°F12°C | 5 mph7 km/h N | Cloudy | |
| 3am | 53°F12°C | 5 mph8 km/h N | Cloudy | |
| 4am | 52°F11°C | 5 mph8 km/h N | Cloudy | |
| 5am | 52°F11°C | 5 mph8 km/h N | Cloudy | |
| 6am | 51°F11°C | 4 mph6 km/h NE | Mostly Cloudy | |
| 7am | 52°F11°C | 5 mph8 km/h NE | Mostly Cloudy | |
| 8am | 54°F12°C | 5 mph8 km/h NE | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 3 | 49°F9°C | 59°F15°C | 5 mph8 km/h from NE | Mostly Cloudy | Cloudy |
| May 4 | 51°F11°C | 64°F18°C | 7 mph11 km/h from E | Mostly Cloudy | Rain |
| May 5 | 52°F11°C | 68°F20°C | 7 mph11 km/h from S | Drizzle | Partly Cloudy |
| May 6 | 46°F8°C | 68°F20°C | 4 mph6 km/h from SE | Partly Cloudy | Mostly Clear |
| May 7 | 46°F8°C | 63°F17°C | 7 mph10 km/h from E | Mostly Clear | Drizzle |
| May 8 | 49°F10°C | 67°F20°C | 6 mph10 km/h from NE | Rain | Mostly Cloudy |
| May 9 | 50°F10°C | 62°F17°C | 6 mph10 km/h from E | Mostly Cloudy | Partly Cloudy |
Yes
Low of 51°F11°C, High of 64°F18°CWind: 7 mph11 km/h
Precipitation: 27% rain