Yes

you do need a jacket based on the weather in Finchampstead, UK 1 second ago

Why? Because it's not very warm out!
58°F15°C & Partly Cloudy

Wind is 9 mph14 km/h from the West, gusting to 15 mph24 km/h
November 8
3pm58°F15°C9 mph14 km/h WestMostly Clear
4pm56°F13°C7 mph11 km/h WestMostly Clear
5pm54°F12°C5 mph8 km/h WestClear
6pm52°F11°C5 mph7 km/h WestClear
7pm50°F10°C5 mph7 km/h WestClear
8pm49°F9°C4 mph7 km/h SouthwestClear
9pm48°F9°C4 mph7 km/h SouthwestMostly Clear
10pm47°F8°C4 mph7 km/h SouthwestMostly Clear
11pm46°F8°C4 mph7 km/h SouthwestPartly Cloudy
November 9
12am45°F7°C4 mph7 km/h SouthwestMostly Clear
1am45°F7°C4 mph7 km/h SouthwestMostly Clear
2am45°F7°C4 mph7 km/h SouthwestMostly Clear
DateLowHighWindDayNight
November 845°F7°C58°F15°C5 mph8 km/h from WestPartly CloudyMostly Clear
November 945°F7°C58°F14°C10 mph15 km/h from SouthMostly CloudyDrizzle
November 1047°F8°C56°F13°C10 mph16 km/h from SouthDrizzleMostly Cloudy
November 1146°F8°C58°F15°C14 mph23 km/h from SouthCloudyDrizzle
November 1253°F12°C57°F14°C14 mph22 km/h from SouthDrizzleDrizzle
November 1353°F12°C60°F15°C7 mph12 km/h from SouthDrizzleDrizzle
November 1453°F11°C58°F15°C9 mph14 km/h from SouthDrizzleCloudy

Yes

Low of 45°F7°C, High of 58°F15°C
Wind: 10 mph15 km/h
Precipitation: None

Support This Page