No
you don't need a jacket based on the weather in St Thomas, ON, Canada 1 second ago
73°F23°C & Cloudy
Wind is 6 mph10 km/h from the Southeast, gusting to 9 mph14 km/h
| June 18 | ||||
| 8pm | 73°F23°C | 7 mph11 km/h Southeast | Mostly Cloudy | |
| 9pm | 71°F22°C | 7 mph12 km/h Southeast | Cloudy | |
| 10pm | 70°F21°C | 8 mph14 km/h Southeast | Haze | |
| 11pm | 69°F21°C | 9 mph14 km/h Southeast | Thunderstorms | |
| June 19 | ||||
| 12am | 68°F20°C | 7 mph12 km/h South | Thunderstorms | |
| 1am | 67°F20°C | 8 mph12 km/h Southwest | Drizzle | |
| 2am | 67°F20°C | 8 mph13 km/h South | Drizzle | |
| 3am | 67°F20°C | 16 mph25 km/h South | Windy | |
| 4am | 67°F19°C | 18 mph28 km/h South | Windy | |
| 5am | 66°F19°C | 20 mph33 km/h Southwest | Windy | |
| 6am | 66°F19°C | 21 mph33 km/h Southwest | Windy | |
| 7am | 65°F18°C | 23 mph37 km/h Southwest | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 18 | 68°F20°C | 79°F26°C | 6 mph10 km/h from Southwest | Thunderstorms | Thunderstorms |
| June 19 | 62°F17°C | 69°F21°C | 20 mph32 km/h from West | Drizzle | Mostly Clear |
| June 20 | 60°F15°C | 78°F26°C | 9 mph15 km/h from West | Partly Cloudy | Mostly Cloudy |
| June 21 | 66°F19°C | 84°F29°C | 14 mph22 km/h from Southwest | Mostly Cloudy | Mostly Clear |
| June 22 | 74°F23°C | 90°F32°C | 12 mph19 km/h from Southwest | Clear | Clear |
| June 23 | 75°F24°C | 91°F33°C | 11 mph18 km/h from Southwest | Clear | Clear |
| June 24 | 75°F24°C | 92°F33°C | 7 mph12 km/h from West | Mostly Clear | Mostly Clear |
No
Low of 62°F17°C, High of 70°F21°CWind: 20 mph32 km/h
Precipitation: 53% rain