Yes
you do need a jacket based on the weather in Ajax, ON, Canada 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
57°F14°C & Clear
Wind is 5 mph8 km/h from the North, gusting to 8 mph13 km/h
| August 2 | ||||
| 4am | 56°F13°C | 5 mph8 km/h North | Clear | |
| 5am | 56°F13°C | 6 mph9 km/h North | Clear | |
| 6am | 55°F13°C | 5 mph9 km/h North | Clear | |
| 7am | 57°F14°C | 4 mph7 km/h North | Clear | |
| 8am | 61°F16°C | 3 mph4 km/h Northwest | Clear | |
| 9am | 66°F19°C | 2 mph3 km/h Northwest | Clear | |
| 10am | 70°F21°C | 3 mph5 km/h West | Clear | |
| 11am | 73°F23°C | 4 mph6 km/h Southwest | Clear | |
| 12pm | 75°F24°C | 5 mph9 km/h Southwest | Clear | |
| 1pm | 76°F25°C | 7 mph12 km/h Southwest | Clear | |
| 2pm | 77°F25°C | 8 mph13 km/h Southwest | Clear | |
| 3pm | 78°F26°C | 9 mph15 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 2 | 55°F13°C | 78°F26°C | 6 mph10 km/h from Southwest | Clear | Clear |
| August 3 | 62°F17°C | 82°F28°C | 6 mph9 km/h from Southwest | Mostly Clear | Clear |
| August 4 | 64°F18°C | 82°F28°C | 4 mph6 km/h from Southwest | Clear | Partly Cloudy |
| August 5 | 65°F18°C | 81°F27°C | 7 mph11 km/h from East | Partly Cloudy | Mostly Clear |
| August 6 | 68°F20°C | 81°F27°C | 8 mph12 km/h from Southeast | Partly Cloudy | Mostly Clear |
| August 7 | 68°F20°C | 82°F28°C | 6 mph10 km/h from Southeast | Mostly Clear | Mostly Clear |
| August 8 | 69°F21°C | 82°F28°C | 8 mph13 km/h from South | Mostly Clear | Mostly Clear |
No
Low of 62°F17°C, High of 82°F28°CWind: 6 mph9 km/h
Precipitation: None