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| Su Jan 10 | Mo Jan 11 | Tu Jan 12 | We Jan 13 | |
| Tmin 18-06 |
-5°C | 4°C | 8°C | 8°C |
| Tmax 06-18 |
7°C | 9°C | 9°C | 10°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 |
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| Nearby Forecast Locations - Llanelli | Distance |
| Carmarthen | 16.0 km |
| Swansea | 16.0 km |
| Neath Port Talbot | 24.2 km |
| Tenby | 38.0 km |
| Porthcawl | 38.3 km |
| Bristol Channel | 44.3 km |
| Bridgend | 44.4 km |
| Ilfracombe | 52.0 km |
| Merthyr Tydfil | 54.6 km |
| South Wales | 57.8 km |
| Brecon | 60.6 km |
| N-Devon | 64.9 km |
| Barnstaple | 65.3 km |
| Minehead | 70.3 km |
| Exmoor NP | 75.3 km |