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 | |||
|---|---|---|---|---|---|
| Wednesday, December 17 | 10 ° / 5 ° |  | Light rain | 35 Km/h | |
| Thursday, December 18 | 10 ° / 7 ° |  | Moderate rain | 28 Km/h | |
| Friday, December 19 | 9 ° / 7 ° |  | Patchy rain possible | 21 Km/h | |
| Saturday, December 20 | 9 ° / 5 ° | | Light rain | 7 Km/h | |
| Sunday, December 21 | 7 ° / 4 ° | | Moderate rain | 11 Km/h | |
| Monday, December 22 | 5 ° / 2 ° |  | Partly cloudy | 5 Km/h | |
| Tuesday, December 23 | 6 ° / 1 ° | | Patchy rain possible | 18 Km/h | |
| Wednesday, December 24 | 8 ° / 6 ° |  | Overcast | 30 Km/h | |
| Thursday, December 25 | 7 ° / 5 ° | | Overcast | 21 Km/h | |
| Friday, December 26 | 4 ° / 1 ° | | Partly cloudy | 28 Km/h | |
| Saturday, December 27 | 4 ° / 1 ° |  | Cloudy | 14 Km/h | |
| Sunday, December 28 | 7 ° / 1 ° | | Cloudy | 8 Km/h | |
| Monday, December 29 | 6 ° / 1 ° | | Patchy rain possible | 8 Km/h | |
| Tuesday, December 30 | 8 ° / 5 ° | | Patchy rain possible | 33 Km/h | |
| Further Ahead | |||||
