Yes
you do need a jacket based on the weather in London, ON, Canada 12 minutes ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
52°F11°C & Partly Cloudy
Wind is 2 mph3 km/h from the North, gusting to 4 mph7 km/h
| September 18 | ||||
| 6am | 52°F11°C | 2 mph4 km/h North | Partly Cloudy | |
| 7am | 51°F11°C | 2 mph3 km/h North | Mostly Clear | |
| 8am | 53°F12°C | 3 mph4 km/h Northwest | Mostly Clear | |
| 9am | 60°F15°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 10am | 67°F20°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 11am | 73°F23°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 12pm | 77°F25°C | 6 mph9 km/h Northwest | Clear | |
| 1pm | 79°F26°C | 7 mph12 km/h Northwest | Mostly Clear | |
| 2pm | 80°F27°C | 9 mph14 km/h Northwest | Mostly Clear | |
| 3pm | 81°F27°C | 10 mph16 km/h Northwest | Mostly Clear | |
| 4pm | 80°F27°C | 11 mph17 km/h Northwest | Mostly Clear | |
| 5pm | 79°F26°C | 11 mph18 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 51°F11°C | 81°F27°C | 7 mph11 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 56°F13°C | 75°F24°C | 6 mph10 km/h from North | Mostly Clear | Clear |
| September 20 | 52°F11°C | 74°F23°C | 13 mph21 km/h from East | Mostly Clear | Mostly Cloudy |
| September 21 | 55°F13°C | 80°F26°C | 11 mph18 km/h from South | Mostly Cloudy | Thunderstorms |
| September 22 | 64°F18°C | 75°F24°C | 10 mph16 km/h from Southwest | Rain | Rain |
| September 23 | 61°F16°C | 76°F25°C | 7 mph11 km/h from West | Drizzle | Partly Cloudy |
| September 24 | 59°F15°C | 75°F24°C | 7 mph12 km/h from East | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 56°F14°C, High of 75°F24°CWind: 6 mph10 km/h
Precipitation: None