Yes

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

Why? Because it's so windy, even the squirrels are holding onto branches for dear life!
60°F15°C & Cloudy

Wind is 14 mph22 km/h from the North, gusting to 24 mph38 km/h
October 25
9am60°F15°C14 mph23 km/h NorthCloudy
10am59°F15°C13 mph21 km/h NorthDrizzle
11am59°F15°C13 mph21 km/h NorthCloudy
12pm59°F15°C13 mph21 km/h NorthDrizzle
1pm58°F15°C13 mph20 km/h NorthDrizzle
2pm58°F15°C12 mph20 km/h NorthDrizzle
3pm58°F15°C12 mph20 km/h NorthDrizzle
4pm58°F14°C11 mph18 km/h NorthRain
5pm58°F15°C11 mph17 km/h NorthRain
6pm58°F15°C11 mph17 km/h NorthRain
7pm58°F15°C10 mph17 km/h NorthRain
8pm58°F15°C10 mph16 km/h NorthDrizzle
DateLowHighWindDayNight
October 2455°F13°C60°F15°C15 mph24 km/h from NorthDrizzleRain
October 2558°F14°C66°F19°C10 mph15 km/h from NorthRainPartly Cloudy
October 2662°F17°C72°F22°C6 mph9 km/h from NortheastMostly ClearPartly Cloudy
October 2753°F12°C65°F19°C10 mph17 km/h from NortheastPartly CloudyMostly Cloudy
October 2851°F11°C61°F16°C13 mph22 km/h from NortheastMostly CloudyWindy
October 2951°F11°C63°F17°C14 mph22 km/h from NorthMostly CloudyCloudy
October 3055°F13°C65°F18°C10 mph17 km/h from NorthRainRain

Yes

Low of 58°F15°C, High of 66°F19°C
Wind: 10 mph15 km/h
Precipitation: 98% rain

Support This Page