Yes

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

Why? Because it's bitterly cold.
46°F8°C & Mostly Cloudy

Wind is 13 mph21 km/h from the N, gusting to 24 mph39 km/h
April 20
7am47°F8°C13 mph21 km/h NMostly Cloudy
8am48°F9°C13 mph21 km/h NMostly Cloudy
9am50°F10°C13 mph21 km/h NMostly Cloudy
10am50°F10°C12 mph20 km/h NMostly Cloudy
11am51°F10°C12 mph20 km/h NMostly Cloudy
12pm50°F10°C12 mph19 km/h NMostly Cloudy
1pm49°F10°C11 mph18 km/h NMostly Cloudy
2pm48°F9°C9 mph15 km/h NMostly Cloudy
3pm46°F8°C7 mph11 km/h NPartly Cloudy
4pm44°F7°C5 mph9 km/h NMostly Clear
5pm42°F6°C5 mph8 km/h NPartly Cloudy
6pm41°F5°C5 mph8 km/h NPartly Cloudy
DateLowHighWindDayNight
April 1937°F3°C51°F10°C12 mph19 km/h from NMostly CloudyPartly Cloudy
April 2035°F2°C52°F11°C13 mph21 km/h from NPartly CloudyMostly Clear
April 2135°F2°C51°F10°C7 mph11 km/h from NMostly CloudyCloudy
April 2240°F4°C51°F11°C11 mph18 km/h from NMostly CloudyPartly Cloudy
April 2337°F3°C49°F10°C9 mph15 km/h from NWMostly CloudyMostly Cloudy
April 2438°F3°C49°F10°C9 mph15 km/h from NWMostly CloudyMostly Cloudy
April 2538°F3°C53°F12°C9 mph15 km/h from WMostly CloudyMostly Cloudy

Yes

Low of 36°F2°C, High of 52°F11°C
Wind: 13 mph21 km/h
Precipitation: None

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