Yes

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

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
43°F6°C & Mostly Clear

Wind is 8 mph13 km/h from the West, gusting to 14 mph23 km/h
October 30
7am43°F6°C7 mph12 km/h SouthwestMostly Clear
8am43°F6°C6 mph10 km/h SouthwestPartly Cloudy
9am45°F7°C6 mph9 km/h SouthwestMostly Cloudy
10am48°F9°C7 mph11 km/h SouthwestMostly Cloudy
11am50°F10°C8 mph13 km/h SouthCloudy
12pm51°F11°C9 mph14 km/h SouthCloudy
1pm52°F11°C9 mph14 km/h SouthCloudy
2pm53°F12°C10 mph16 km/h SouthCloudy
3pm53°F12°C11 mph18 km/h SouthCloudy
4pm52°F11°C12 mph19 km/h SouthCloudy
5pm52°F11°C12 mph19 km/h SouthCloudy
6pm51°F10°C13 mph20 km/h SouthCloudy
DateLowHighWindDayNight
October 3043°F6°C53°F12°C9 mph15 km/h from SouthMostly CloudyDrizzle
October 3153°F12°C60°F16°C16 mph26 km/h from SouthDrizzleDrizzle
November 145°F7°C56°F13°C14 mph23 km/h from SouthwestPartly CloudyMostly Cloudy
November 244°F7°C52°F11°C10 mph16 km/h from WestDrizzleDrizzle
November 344°F7°C58°F15°C20 mph32 km/h from SouthwestDrizzleWindy
November 453°F12°C58°F15°C16 mph25 km/h from SouthWindyWindy
November 548°F9°C57°F14°C13 mph20 km/h from SouthwestDrizzlePartly Cloudy

Yes

Low of 53°F12°C, High of 60°F16°C
Wind: 16 mph26 km/h
Precipitation: 62% rain

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