No
you don't need a jacket based on the weather in Guelph, ON, Canada 4 minutes ago
74°F23°C & Mostly Clear
Wind is 7 mph11 km/h from the East, gusting to 9 mph15 km/h
| September 15 | ||||
| 2pm | 75°F24°C | 7 mph12 km/h East | Mostly Clear | |
| 3pm | 76°F25°C | 7 mph12 km/h East | Mostly Clear | |
| 4pm | 76°F24°C | 7 mph11 km/h East | Clear | |
| 5pm | 75°F24°C | 7 mph12 km/h East | Clear | |
| 6pm | 73°F23°C | 7 mph11 km/h East | Clear | |
| 7pm | 69°F21°C | 6 mph9 km/h East | Clear | |
| 8pm | 65°F18°C | 5 mph8 km/h East | Clear | |
| 9pm | 62°F17°C | 5 mph8 km/h East | Mostly Clear | |
| 10pm | 60°F15°C | 5 mph8 km/h East | Mostly Clear | |
| 11pm | 58°F14°C | 5 mph8 km/h East | Mostly Clear | |
| September 16 | ||||
| 12am | 57°F14°C | 5 mph8 km/h East | Mostly Clear | |
| 1am | 56°F13°C | 5 mph8 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 54°F12°C | 76°F25°C | 6 mph9 km/h from East | Mostly Clear | Mostly Clear |
| September 16 | 54°F12°C | 77°F25°C | 7 mph11 km/h from East | Partly Cloudy | Mostly Clear |
| September 17 | 52°F11°C | 78°F26°C | 3 mph5 km/h from East | Mostly Clear | Clear |
| September 18 | 55°F13°C | 79°F26°C | 6 mph10 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 53°F12°C | 72°F22°C | 7 mph11 km/h from Northeast | Mostly Clear | Clear |
| September 20 | 49°F10°C | 68°F20°C | 11 mph18 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 48°F9°C | 76°F25°C | 10 mph16 km/h from South | Partly Cloudy | Thunderstorms |
Yes
Low of 54°F12°C, High of 77°F25°CWind: 7 mph11 km/h
Precipitation: None