Yes
you do need a jacket based on the weather in Merthyr Tydfil CF48, UK 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
42°F6°C & Mostly Clear
Wind is 2 mph4 km/h from the Northeast, gusting to 7 mph12 km/h
| May 5 | ||||
| 10pm | 42°F6°C | 3 mph4 km/h Northeast | Mostly Clear | |
| 11pm | 41°F5°C | 3 mph4 km/h North | Mostly Clear | |
| May 6 | ||||
| 12am | 39°F4°C | 2 mph4 km/h North | Mostly Clear | |
| 1am | 38°F3°C | 3 mph4 km/h North | Mostly Clear | |
| 2am | 40°F5°C | 3 mph4 km/h North | Mostly Clear | |
| 3am | 44°F7°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 4am | 47°F8°C | 6 mph10 km/h Northeast | Mostly Clear | |
| 5am | 50°F10°C | 7 mph11 km/h Northeast | Mostly Clear | |
| 6am | 52°F11°C | 7 mph11 km/h Northeast | Mostly Clear | |
| 7am | 55°F13°C | 7 mph11 km/h Northeast | Mostly Clear | |
| 8am | 57°F14°C | 7 mph10 km/h Northeast | Clear | |
| 9am | 58°F15°C | 6 mph10 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 5 | 38°F3°C | 60°F15°C | 6 mph10 km/h from Northeast | Mostly Clear | Mostly Cloudy |
| May 6 | 43°F6°C | 64°F18°C | 6 mph9 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| May 7 | 43°F6°C | 60°F15°C | 10 mph16 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| May 8 | 43°F6°C | 64°F18°C | 9 mph15 km/h from East | Mostly Clear | Mostly Clear |
| May 9 | 46°F8°C | 65°F18°C | 9 mph15 km/h from East | Partly Cloudy | Mostly Clear |
| May 10 | 47°F8°C | 68°F20°C | 9 mph14 km/h from East | Partly Cloudy | Partly Cloudy |
| May 11 | 52°F11°C | 69°F20°C | 8 mph13 km/h from East | Partly Cloudy | Mostly Clear |
Yes
Low of 43°F6°C, High of 64°F18°CWind: 6 mph9 km/h
Precipitation: None