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 | |||
|---|---|---|---|---|---|
| Friday, December 5 | 11 ° / 5 ° |  | Moderate rain | 45 Km/h | |
| Saturday, December 6 | 11 ° / 9 ° |  | Light rain shower | 28 Km/h | |
| Sunday, December 7 | 12 ° / 8 ° | | Light drizzle | 14 Km/h | |
| Monday, December 8 | 11 ° / 8 ° | | Light rain shower | 32 Km/h | |
| Tuesday, December 9 | 13 ° / 11 ° | | Moderate rain | 36 Km/h | |
| Wednesday, December 10 | 11 ° / 9 ° |  | Patchy rain possible | 22 Km/h | |
| Thursday, December 11 | 11 ° / 10 ° | | Light rain shower | 32 Km/h | |
| Friday, December 12 | 11 ° / 11 ° | | Light rain shower | 29 Km/h | |
| Saturday, December 13 | 11 ° / 10 ° | | Light rain shower | 16 Km/h | |
| Sunday, December 14 | 11 ° / 9 ° | | Light rain shower | 27 Km/h | |
| Monday, December 15 | 12 ° / 10 ° | | Light drizzle | 33 Km/h | |
| Tuesday, December 16 | 12 ° / 9 ° | | Light rain | 40 Km/h | |
| Wednesday, December 17 | 10 ° / 8 ° | | Light rain shower | 24 Km/h | |
| Thursday, December 18 | 11 ° / 6 ° | | Patchy rain possible | 14 Km/h | |
| Further Ahead | |||||
