Yes
you do need a jacket based on the weather in Sapporo, Hokkaido Prefecture, Japan 1 second ago
Why? Because it's pretty chilly.
55°F13°C & Mostly Clear
Wind is 6 mph10 km/h from the SE, gusting to 12 mph20 km/h
| April 25 | ||||
| 8pm | 57°F14°C | 7 mph12 km/h SE | Mostly Clear | |
| 9pm | 61°F16°C | 8 mph13 km/h SE | Mostly Clear | |
| 10pm | 65°F18°C | 7 mph12 km/h SE | Clear | |
| 11pm | 68°F20°C | 7 mph11 km/h SE | Clear | |
| April 26 | ||||
| 12am | 70°F21°C | 6 mph9 km/h SE | Clear | |
| 1am | 72°F22°C | 5 mph8 km/h S | Clear | |
| 2am | 72°F22°C | 4 mph6 km/h S | Clear | |
| 3am | 71°F22°C | 5 mph8 km/h S | Clear | |
| 4am | 68°F20°C | 5 mph8 km/h S | Clear | |
| 5am | 65°F18°C | 5 mph8 km/h SE | Mostly Clear | |
| 6am | 61°F16°C | 5 mph8 km/h SE | Mostly Clear | |
| 7am | 58°F14°C | 5 mph7 km/h S | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 45°F7°C | 72°F22°C | 6 mph9 km/h from SE | Clear | Mostly Clear |
| April 26 | 49°F9°C | 76°F24°C | 6 mph9 km/h from SE | Mostly Clear | Partly Cloudy |
| April 27 | 46°F8°C | 59°F15°C | 8 mph12 km/h from NW | Partly Cloudy | Partly Cloudy |
| April 28 | 44°F6°C | 56°F13°C | 9 mph15 km/h from NW | Mostly Clear | Mostly Cloudy |
| April 29 | 43°F6°C | 59°F15°C | 12 mph19 km/h from SE | Drizzle | Drizzle |
| April 30 | 41°F5°C | 51°F10°C | 15 mph24 km/h from NW | Mostly Cloudy | Mostly Clear |
| May 1 | 40°F4°C | 62°F16°C | 6 mph10 km/h from SE | Mostly Clear | Partly Cloudy |
Yes
Low of 49°F10°C, High of 76°F25°CWind: 6 mph9 km/h
Precipitation: None