Yes

you do need a jacket based on the weather in Harris Cl, Harold Hill, Romford RM3 8PQ, UK 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
45°F7°C & Cloudy

Wind is 1 mph2 km/h from the Southwest, gusting to 4 mph7 km/h
December 27
8am46°F8°C2 mph3 km/h SouthwestCloudy
9am46°F8°C2 mph3 km/h SouthwestCloudy
10am46°F8°C2 mph3 km/h WestCloudy
11am46°F8°C1 mph2 km/h WestCloudy
12pm45°F7°C1 mph2 km/h SouthCloudy
1pm45°F7°C1 mph2 km/h SoutheastCloudy
2pm44°F7°C1 mph2 km/h SoutheastCloudy
3pm44°F7°C1 mph2 km/h SoutheastCloudy
4pm44°F7°C2 mph2 km/h SoutheastCloudy
5pm43°F6°C2 mph3 km/h SouthCloudy
6pm43°F6°C2 mph3 km/h SouthCloudy
7pm43°F6°C2 mph3 km/h SouthCloudy
DateLowHighWindDayNight
December 2642°F6°C46°F8°C1 mph2 km/h from SouthwestCloudyCloudy
December 2740°F5°C46°F8°C4 mph6 km/h from SouthwestMostly CloudyMostly Cloudy
December 2838°F3°C48°F9°C7 mph12 km/h from WestPartly CloudyMostly Cloudy
December 2941°F5°C49°F9°C11 mph17 km/h from SouthwestMostly CloudyMostly Cloudy
December 3045°F7°C51°F11°C16 mph26 km/h from SouthwestWindyDrizzle
December 3144°F6°C50°F10°C18 mph28 km/h from SouthwestRainDrizzle
January 136°F2°C44°F6°C17 mph27 km/h from WestWindyPartly Cloudy

Yes

Low of 40°F5°C, High of 46°F8°C
Wind: 4 mph6 km/h
Precipitation: None

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