Twyn Llanan 14-Day Forecast
Carmarthenshire, Wales
Twyn Llanan Outlook (Next 14 Days)
In Twyn Llanan today, it’s a comfortable feel, while an unsettled mix of showers and drier periods come and go. Slightly cooler nights inland. All told, it feels fairly changeable with occasional breezier intervals.
In broad terms, the outlook for Twyn Llanan remains a changeable pattern overall, with alternating spells and comfortable temperatures overall. For planning, use the visual trends first, then the daily breakdown for the most workable detail. Small shifts in the pressure pattern can move features around, so day-to-day refinements are normal. Confidence is naturally strongest in the nearer days; later on, treat it as a guide to the prevailing theme rather than exact timing.
Daily Forecast
| Date | High | Low | Condition | Wind | Rain % | Humidity | Visibility | UV | Sunrise | Sunset |
|---|---|---|---|---|---|---|---|---|---|---|
| Thu, 4 Jun | 13°C | 9°C | Moderate rain | 33 km/h | 97% | 92% | 8 km | 5 | 04:59 AM | 09:27 PM |
| Fri, 5 Jun | 13°C | 5°C | Patchy rain nearby | 23 km/h | 73% | 82% | 10 km | 6 | 04:58 AM | 09:28 PM |
| Sat, 6 Jun | 13°C | 9°C | Moderate rain | 34 km/h | 95% | 93% | 9 km | 2 | 04:58 AM | 09:29 PM |
| Sun, 7 Jun | 13°C | 9°C | Moderate rain | 29 km/h | 97% | 95% | 9 km | 5 | 04:57 AM | 09:30 PM |
| Mon, 8 Jun | 13°C | 9°C | Moderate rain | 35 km/h | 95% | 88% | 8 km | 3 | 04:57 AM | 09:31 PM |
| Tue, 9 Jun | 14°C | 8°C | Patchy rain nearby | 24 km/h | 73% | 88% | 8 km | 3 | 04:56 AM | 09:32 PM |
| Wed, 10 Jun | 16°C | 10°C | Patchy rain nearby | 31 km/h | 73% | 88% | 9 km | 3 | 04:56 AM | 09:33 PM |
| Thu, 11 Jun | 19°C | 10°C | Cloudy | 8 km/h | 13% | 82% | 7 km | 3 | 04:55 AM | 09:33 PM |
| Fri, 12 Jun | 21°C | 10°C | Partly Cloudy | 14 km/h | 7% | 81% | 10 km | 5 | 04:55 AM | 09:34 PM |
| Sat, 13 Jun | 24°C | 15°C | Partly Cloudy | 18 km/h | 6% | 80% | 10 km | 5 | 04:55 AM | 09:35 PM |
| Sun, 14 Jun | 23°C | 15°C | Patchy rain nearby | 14 km/h | 73% | 85% | 10 km | 4 | 04:55 AM | 09:35 PM |
| Mon, 15 Jun | 23°C | 13°C | Sunny | 12 km/h | 6% | 82% | 10 km | 5 | 04:55 AM | 09:36 PM |
| Tue, 16 Jun | 23°C | 16°C | Sunny | 18 km/h | 4% | 82% | 9 km | 5 | 04:55 AM | 09:36 PM |
| Wed, 17 Jun | 19°C | 11°C | Partly Cloudy | 13 km/h | 7% | 81% | 8 km | 4 | 04:55 AM | 09:37 PM |
Temperature Trend
Rain Probability
Wind Speed
UV Index
Forecast context and reference links
Across Wales, local effects can shift outcomes even when the national pattern is similar. Coastal exposure, terrain, and airflow direction often explain the difference between a near-miss and a wet day.
- Wales Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- Wales for location browsing and regional navigation.
How to interpret confidence
For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.
Background guides
- UK Weather Patterns
- UK Seasonal Weather
- UK Weather Hazards
- UK Weather Safety
- UK Jet Stream
- UK Microclimates
Glossary support
Start with the Weather Glossary. Useful terms for this page include Jet Stream, Air Mass, Zonal Flow, Atmospheric Blocking, Weather Front, and Pressure Trend.
FAQ
What is the 14-day weather forecast for Twyn Llanan?
Over the next 14 days in Twyn Llanan, the day-to-day pattern is led most often by Moderate rain as the headline condition. Temperatures trend a little higher later in the period. Typical range: highs up to 24°C, lows down to 5°C. Rain-risk signal: 97% at peak (8 higher-risk days). Wind: a windiest-day signal around 35 km/h. UV: peaks around 6 on brighter days. Confidence is highest early on; later in the period, look for the trend and regime rather than hour-by-hour precision.
How accurate is the 14-day forecast for Twyn Llanan?
Short-range detail is usually strongest early on. Later in the period, the forecast is best read as a trend signal: direction of temperatures, how changeable it looks, and whether winds/rain are more likely to feature.
Can I see hour-by-hour detail for Twyn Llanan today?
Yes — near-term hourly detail is available for today, alongside day-by-day summaries across the full 14-day window. Use the hourly view for timing windows; use the daily table for the broader run of weather.
How do temperatures change in Twyn Llanan across the next 14 days?
The broader temperature signal for Twyn Llanan is: Temperatures trend a little higher later in the period. The chart gives the best read of whether that drift is meaningful or just day-to-day noise.
What does the ‘headline condition’ mean in the Twyn Llanan forecast?
It’s a top-line description of what is most likely to characterise the day. In the UK, the detail can move around, so the charts help show whether it is a brief spell or a more persistent feature.