Yes

you do need a jacket based on the weather in Nagoya, Aichi Prefecture, Japan 1 second ago

Why? Because rain: where every drop seems to aim directly at your glasses and just cool enough for a jacket, but not warm enough to ditch it!
56°F14°C & Rain

Wind is 5 mph8 km/h from the North, gusting to 6 mph10 km/h
November 9
12am57°F14°C5 mph8 km/h NortheastRain
1am58°F14°C5 mph8 km/h NortheastRain
2am59°F15°C3 mph5 km/h NortheastRain
3am60°F16°C4 mph6 km/h NorthRain
4am61°F16°C3 mph5 km/h WestRain
5am62°F16°C2 mph4 km/h SoutheastRain
6am62°F17°C3 mph5 km/h NorthRain
7am61°F16°C4 mph7 km/h NorthRain
8am61°F16°C6 mph9 km/h NorthRain
9am60°F16°C5 mph8 km/h NorthCloudy
10am60°F15°C5 mph8 km/h NorthwestCloudy
11am59°F15°C5 mph8 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
November 856°F13°C62°F17°C4 mph7 km/h from NorthRainMostly Cloudy
November 947°F9°C63°F17°C13 mph21 km/h from NorthwestMostly ClearClear
November 1045°F7°C62°F17°C8 mph13 km/h from NorthwestMostly ClearClear
November 1142°F5°C62°F17°C3 mph5 km/h from NorthwestPartly CloudyCloudy
November 1251°F10°C63°F17°C3 mph5 km/h from NorthwestDrizzleMostly Cloudy
November 1349°F9°C67°F19°C6 mph9 km/h from NorthwestMostly ClearMostly Clear
November 1444°F7°C64°F18°C3 mph5 km/h from NorthwestMostly ClearPartly Cloudy

Yes

Low of 47°F9°C, High of 63°F17°C
Wind: 13 mph21 km/h
Precipitation: None

Support This Page