| Wed Jun 19 | Thu Jun 20 | Fri Jun 21 | Sat Jun 22 | |
| Tmin 18-06 |
9°C | 10°C | 12°C | 11°C |
| Tmax 06-18 |
19°C | 18°C | 16°C | 14°C |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
| Nearby Forecast Locations - Llanelli | Distance |
| Carmarthen | 16.0 km |
| Swansea | 16.0 km |
| Neath Port Talbot | 24.2 km |
| Forecast: Llanelli Region In the next few days, some sunny spells. On Thursday and Saturday precipitation is expected. From 18 degrees on Thursday the daily high will go down to 14 degrees on Saturday. On Saturday a strong wind from the southwest. |