No
you don't need a jacket based on the weather in London, ON, Canada 1 second ago
80°F27°C & Mostly Cloudy
Wind is 7 mph11 km/h from the East, gusting to 11 mph17 km/h
| September 15 | ||||
| 4pm | 80°F27°C | 7 mph12 km/h East | Mostly Clear | |
| 5pm | 80°F26°C | 7 mph12 km/h East | Clear | |
| 6pm | 78°F26°C | 8 mph12 km/h East | Clear | |
| 7pm | 75°F24°C | 7 mph12 km/h East | Clear | |
| 8pm | 70°F21°C | 7 mph11 km/h East | Clear | |
| 9pm | 67°F19°C | 7 mph11 km/h East | Clear | |
| 10pm | 64°F18°C | 6 mph10 km/h East | Clear | |
| 11pm | 62°F17°C | 7 mph11 km/h East | Clear | |
| September 16 | ||||
| 12am | 60°F16°C | 7 mph12 km/h East | Clear | |
| 1am | 59°F15°C | 7 mph11 km/h East | Mostly Clear | |
| 2am | 58°F14°C | 7 mph11 km/h East | Mostly Clear | |
| 3am | 57°F14°C | 7 mph12 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 56°F13°C | 80°F27°C | 5 mph7 km/h from East | Mostly Clear | Mostly Clear |
| September 16 | 55°F13°C | 81°F27°C | 6 mph10 km/h from East | Mostly Clear | Partly Cloudy |
| September 17 | 55°F13°C | 81°F27°C | 3 mph5 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 18 | 56°F13°C | 81°F27°C | 6 mph10 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 57°F14°C | 78°F26°C | 7 mph11 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 20 | 52°F11°C | 76°F25°C | 11 mph18 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 57°F14°C | 79°F26°C | 11 mph18 km/h from South | Partly Cloudy | Drizzle |
Yes
Low of 55°F13°C, High of 82°F28°CWind: 6 mph10 km/h
Precipitation: None