Yes
you do need a jacket based on the weather in Guelph, ON, Canada 1 second ago
Why? Because it's not very warm out!
52°F11°C & Clear
Wind is 4 mph7 km/h from the North, gusting to 8 mph13 km/h
| September 11 | ||||
| 6am | 52°F11°C | 4 mph7 km/h North | Clear | |
| 7am | 51°F11°C | 4 mph7 km/h North | Clear | |
| 8am | 54°F12°C | 4 mph6 km/h North | Clear | |
| 9am | 59°F15°C | 4 mph7 km/h North | Clear | |
| 10am | 64°F18°C | 4 mph7 km/h North | Clear | |
| 11am | 68°F20°C | 5 mph8 km/h North | Clear | |
| 12pm | 71°F22°C | 4 mph7 km/h North | Clear | |
| 1pm | 73°F23°C | 4 mph7 km/h North | Clear | |
| 2pm | 74°F23°C | 4 mph6 km/h North | Clear | |
| 3pm | 75°F24°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 4pm | 75°F24°C | 4 mph7 km/h Northeast | Partly Cloudy | |
| 5pm | 74°F23°C | 4 mph7 km/h Northeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 51°F11°C | 75°F24°C | 4 mph7 km/h from North | Mostly Clear | Mostly Clear |
| September 12 | 53°F11°C | 75°F24°C | 3 mph5 km/h from South | Partly Cloudy | Mostly Cloudy |
| September 13 | 55°F13°C | 75°F24°C | 6 mph10 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 14 | 56°F14°C | 77°F25°C | 3 mph5 km/h from Northeast | Partly Cloudy | Mostly Clear |
| September 15 | 57°F14°C | 78°F26°C | 6 mph9 km/h from East | Mostly Clear | Clear |
| September 16 | 57°F14°C | 78°F26°C | 6 mph10 km/h from East | Mostly Clear | Partly Cloudy |
| September 17 | 57°F14°C | 79°F26°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 53°F12°C, High of 75°F24°CWind: 3 mph5 km/h
Precipitation: None