Yes
you do need a jacket based on the weather in Oshawa, ON, Canada 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
59°F15°C & Clear
Wind is 4 mph7 km/h from the Northeast, gusting to 7 mph12 km/h
| September 17 | ||||
| 1am | 58°F15°C | 5 mph8 km/h Northeast | Clear | |
| 2am | 57°F14°C | 4 mph7 km/h Northeast | Clear | |
| 3am | 57°F14°C | 4 mph7 km/h Northeast | Clear | |
| 4am | 57°F14°C | 5 mph8 km/h Northeast | Mostly Clear | |
| 5am | 56°F14°C | 5 mph8 km/h Northeast | Partly Cloudy | |
| 6am | 56°F13°C | 5 mph8 km/h Northeast | Mostly Cloudy | |
| 7am | 56°F13°C | 5 mph8 km/h North | Mostly Cloudy | |
| 8am | 58°F15°C | 4 mph7 km/h North | Partly Cloudy | |
| 9am | 63°F17°C | 3 mph6 km/h Northeast | Partly Cloudy | |
| 10am | 68°F20°C | 3 mph6 km/h East | Mostly Cloudy | |
| 11am | 71°F22°C | 4 mph6 km/h East | Mostly Cloudy | |
| 12pm | 73°F23°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 56°F13°C | 76°F24°C | 5 mph7 km/h from Southeast | Mostly Cloudy | Mostly Clear |
| September 18 | 56°F13°C | 77°F25°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| September 19 | 52°F11°C | 69°F21°C | 6 mph10 km/h from North | Clear | Clear |
| September 20 | 46°F8°C | 63°F17°C | 9 mph14 km/h from East | Clear | Mostly Clear |
| September 21 | 53°F12°C | 73°F23°C | 7 mph11 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 22 | 62°F16°C | 75°F24°C | 9 mph14 km/h from South | Partly Cloudy | Partly Cloudy |
| September 23 | 62°F17°C | 75°F24°C | 6 mph9 km/h from South | Thunderstorms | Mostly Cloudy |
Yes
Low of 56°F14°C, High of 77°F25°CWind: 5 mph8 km/h
Precipitation: 34% rain