Yes

you do need a jacket based on the weather in Sleaford NG34, UK 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
48°F9°C & Mostly Clear

Wind is 5 mph8 km/h from the Southeast, gusting to 10 mph16 km/h
September 26
9pm48°F9°C5 mph8 km/h SoutheastMostly Clear
10pm46°F8°C5 mph8 km/h SoutheastMostly Clear
11pm46°F8°C4 mph7 km/h SoutheastPartly Cloudy
September 27
12am45°F7°C4 mph7 km/h SoutheastPartly Cloudy
1am45°F7°C4 mph7 km/h SoutheastPartly Cloudy
2am44°F7°C4 mph7 km/h SoutheastPartly Cloudy
3am46°F8°C5 mph8 km/h SoutheastPartly Cloudy
4am48°F9°C6 mph9 km/h SoutheastMostly Cloudy
5am52°F11°C7 mph11 km/h SoutheastMostly Cloudy
6am56°F13°C9 mph15 km/h SoutheastMostly Cloudy
7am59°F15°C12 mph19 km/h SouthMostly Cloudy
8am61°F16°C13 mph21 km/h SouthCloudy
DateLowHighWindDayNight
September 2644°F7°C62°F17°C10 mph16 km/h from SouthMostly CloudyRain
September 2746°F8°C62°F17°C4 mph7 km/h from WestDrizzleMostly Clear
September 2841°F5°C62°F17°C3 mph5 km/h from WestMostly CloudyMostly Cloudy
September 2943°F6°C64°F18°C4 mph7 km/h from SouthwestPartly CloudyMostly Cloudy
September 3050°F10°C65°F18°C7 mph11 km/h from SouthMostly CloudyMostly Cloudy
October 152°F11°C64°F18°C12 mph19 km/h from SouthMostly CloudyCloudy
October 251°F11°C63°F17°C14 mph23 km/h from SouthwestMostly CloudyMostly Cloudy

Yes

Low of 46°F8°C, High of 63°F17°C
Wind: 4 mph7 km/h
Precipitation: 47% rain

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