Yes
you do need a jacket based on the weather in Sheffield, UK 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
54°F12°C & Mostly Clear
Wind is 6 mph10 km/h from the North, gusting to 13 mph21 km/h
| May 12 | ||||
| 8pm | 53°F11°C | 6 mph10 km/h North | Clear | |
| 9pm | 51°F11°C | 6 mph10 km/h North | Clear | |
| 10pm | 50°F10°C | 6 mph10 km/h North | Clear | |
| 11pm | 49°F10°C | 6 mph10 km/h North | Clear | |
| May 13 | ||||
| 12am | 48°F9°C | 6 mph10 km/h North | Partly Cloudy | |
| 1am | 48°F9°C | 6 mph10 km/h North | Partly Cloudy | |
| 2am | 50°F10°C | 7 mph11 km/h North | Partly Cloudy | |
| 3am | 53°F11°C | 7 mph12 km/h North | Mostly Clear | |
| 4am | 56°F13°C | 8 mph13 km/h Northeast | Mostly Clear | |
| 5am | 60°F15°C | 9 mph14 km/h Northeast | Clear | |
| 6am | 64°F18°C | 9 mph15 km/h Northeast | Clear | |
| 7am | 67°F19°C | 10 mph17 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 12 | 48°F9°C | 70°F21°C | 10 mph16 km/h from Northeast | Clear | Mostly Clear |
| May 13 | 45°F7°C | 66°F19°C | 9 mph15 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| May 14 | 45°F7°C | 65°F18°C | 12 mph19 km/h from North | Partly Cloudy | Partly Cloudy |
| May 15 | 46°F8°C | 70°F21°C | 10 mph16 km/h from North | Clear | Mostly Clear |
| May 16 | 47°F8°C | 69°F20°C | 11 mph17 km/h from North | Mostly Clear | Mostly Clear |
| May 17 | 47°F8°C | 68°F20°C | 10 mph16 km/h from North | Mostly Clear | Mostly Clear |
| May 18 | 50°F10°C | 67°F19°C | 12 mph19 km/h from Northeast | Mostly Clear | Partly Cloudy |
Yes
Low of 45°F7°C, High of 66°F19°CWind: 9 mph15 km/h
Precipitation: None