By knowing how cold, mild, warm, or hot the weather in Carmarthen, you will find it easier to plan your days.
Our 14 day weather forecast for Carmarthen becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.
| Date | Temperatures | Wind | |||
|---|---|---|---|---|---|
| Thursday, December 18 | 10 ° / 6 ° |  | Light rain | 17 Km/h | |
| Friday, December 19 | 9 ° / 7 ° | | Light rain shower | 26 Km/h | |
| Saturday, December 20 | 9 ° / 7 ° | | Light rain | 33 Km/h | |
| Sunday, December 21 | 9 ° / 7 ° | | Light drizzle | 27 Km/h | |
| Monday, December 22 | 8 ° / 5 ° |  | Overcast | 10 Km/h | |
| Tuesday, December 23 | 8 ° / 7 ° |  | Patchy rain possible | 20 Km/h | |
| Wednesday, December 24 | 6 ° / 3 ° |  | Partly cloudy | 10 Km/h | |
| Thursday, December 25 | 5 ° / 4 ° | | Patchy rain possible | 23 Km/h | |
| Friday, December 26 | 6 ° / 5 ° | | Patchy rain possible | 5 Km/h | |
| Saturday, December 27 | 7 ° / 5 ° | | Patchy rain possible | 8 Km/h | |
| Sunday, December 28 | 6 ° / 2 ° | | Patchy rain possible | 11 Km/h | |
| Monday, December 29 | 6 ° / 1 ° |  | Cloudy | 14 Km/h | |
| Tuesday, December 30 | 5 ° / 1 ° | | Partly cloudy | 16 Km/h | |
| Wednesday, December 31 | 5 ° / 1 ° |  | Clear | 19 Km/h | |
| Further Ahead | |||||
