Yes
you do need a jacket based on the weather in London, ON, Canada 14 minutes ago
Why? Because it's not very warm out!
56°F14°C & Clear
Wind is 4 mph6 km/h from the Northeast, gusting to 9 mph15 km/h
| September 17 | ||||
| 3am | 55°F13°C | 4 mph6 km/h Northeast | Clear | |
| 4am | 54°F12°C | 4 mph6 km/h Northeast | Clear | |
| 5am | 53°F12°C | 4 mph6 km/h North | Clear | |
| 6am | 53°F11°C | 4 mph6 km/h North | Clear | |
| 7am | 52°F11°C | 3 mph5 km/h Northeast | Clear | |
| 8am | 53°F12°C | 3 mph5 km/h East | Clear | |
| 9am | 60°F16°C | 5 mph7 km/h East | Clear | |
| 10am | 66°F19°C | 4 mph6 km/h East | Clear | |
| 11am | 72°F22°C | 3 mph5 km/h Northeast | Clear | |
| 12pm | 75°F24°C | 3 mph5 km/h Northeast | Clear | |
| 1pm | 78°F26°C | 4 mph6 km/h North | Clear | |
| 2pm | 80°F26°C | 4 mph7 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 52°F11°C | 81°F27°C | 4 mph6 km/h from North | Clear | Clear |
| September 18 | 54°F12°C | 80°F26°C | 7 mph11 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 54°F12°C | 73°F23°C | 7 mph11 km/h from North | Mostly Clear | Clear |
| September 20 | 49°F9°C | 74°F23°C | 12 mph19 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 53°F11°C | 79°F26°C | 11 mph18 km/h from South | Partly Cloudy | Partly Cloudy |
| September 22 | 63°F17°C | 76°F25°C | 12 mph19 km/h from South | Drizzle | Partly Cloudy |
| September 23 | 62°F17°C | 77°F25°C | 9 mph14 km/h from South | Mostly Cloudy | Partly Cloudy |
Yes
Low of 54°F12°C, High of 80°F27°CWind: 7 mph11 km/h
Precipitation: None