Trelystan 14-Day Forecast
Powys, Wales
Trelystan Outlook (Next 14 Days)
In Trelystan today, it’s a mild feel, while spells of rain interspersed with drier intervals come and go. Taken together, it has a mixed feel with a breeze at times adding an extra edge. Inland areas may be somewhat drier at times.
The outlook for Trelystan is best read as a changeable pattern overall, with alternating spells and mild temperatures. Further out, the forecast is best read as the dominant pattern and its swings, rather than a precise day-by-day script. The charts show the clearest signal of how the pattern shifts, with the daily table adding the practical day-by-day context. Subtle changes in system tracks can alter the timing of rain or breezier periods, so it’s worth checking back for updates.
Daily Forecast
| Date | High | Low | Condition | Wind | Rain % | Humidity | Visibility | UV | Sunrise | Sunset |
|---|---|---|---|---|---|---|---|---|---|---|
| Thu, 4 Jun | 15°C | 11°C | Patchy rain nearby | 34 km/h | 82% | 83% | 10 km | 4 | 04:52 AM | 09:28 PM |
| Fri, 5 Jun | 16°C | 8°C | Patchy rain nearby | 26 km/h | 73% | 73% | 10 km | 6 | 04:51 AM | 09:29 PM |
| Sat, 6 Jun | 14°C | 9°C | Patchy rain nearby | 30 km/h | 89% | 91% | 8 km | 3 | 04:51 AM | 09:30 PM |
| Sun, 7 Jun | 15°C | 9°C | Moderate rain | 28 km/h | 93% | 87% | 7 km | 5 | 04:50 AM | 09:31 PM |
| Mon, 8 Jun | 15°C | 9°C | Moderate rain | 32 km/h | 89% | 84% | 9 km | 3 | 04:50 AM | 09:32 PM |
| Tue, 9 Jun | 16°C | 7°C | Patchy rain nearby | 25 km/h | 73% | 76% | 10 km | 3 | 04:49 AM | 09:33 PM |
| Wed, 10 Jun | 18°C | 9°C | Cloudy | 33 km/h | 73% | 79% | 10 km | 3 | 04:49 AM | 09:34 PM |
| Thu, 11 Jun | 20°C | 8°C | Partly Cloudy | 11 km/h | 8% | 74% | 9 km | 4 | 04:48 AM | 09:35 PM |
| Fri, 12 Jun | 22°C | 7°C | Partly Cloudy | 13 km/h | 6% | 75% | 10 km | 5 | 04:48 AM | 09:35 PM |
| Sat, 13 Jun | 26°C | 11°C | Partly Cloudy | 16 km/h | 6% | 75% | 10 km | 5 | 04:48 AM | 09:36 PM |
| Sun, 14 Jun | 27°C | 13°C | Patchy rain nearby | 17 km/h | 73% | 80% | 10 km | 4 | 04:48 AM | 09:37 PM |
| Mon, 15 Jun | 26°C | 12°C | Partly Cloudy | 9 km/h | 3% | 76% | 10 km | 5 | 04:48 AM | 09:37 PM |
| Tue, 16 Jun | 26°C | 13°C | Sunny | 23 km/h | 2% | 73% | 10 km | 5 | 04:48 AM | 09:38 PM |
| Wed, 17 Jun | 18°C | 11°C | Partly Cloudy | 15 km/h | 5% | 74% | 9 km | 5 | 04:48 AM | 09:38 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 outlook for Trelystan over the next 14 days?
The 14-day guidance for Trelystan points to Patchy rain nearby featuring frequently, with day-to-day details changing as systems move through. Temperatures hold fairly steady overall. Typical range: highs up to 27°C, lows down to 7°C. Rain-risk signal: 93% at peak (8 higher-risk days). Wind: a windiest-day signal around 34 km/h. UV: peaks around 6 on brighter days. Use days 1–5 for practical planning; beyond that, treat it as guidance on the broader direction.
How reliable is the two-week outlook for Trelystan?
In UK conditions, day-to-day details can shift as Atlantic systems wobble north or south. Treat the first few days as planning-grade, and the second week as guidance on the broader pattern.
Does the Trelystan forecast include hourly weather today?
Yes. The page includes hourly detail for the immediate period and a daily breakdown for the wider outlook. Hourly precision drops off faster than daily trends, so keep an eye on updates.
Are temperatures rising or falling in Trelystan over the next 14 days?
Across the next two weeks in Trelystan, Temperatures hold fairly steady overall. The clearest signal is in the highs/lows chart: look for whether the lines drift up, down, or stay broadly level.
What does the ‘headline condition’ mean in the Trelystan forecast?
It is the day’s most likely overall weather type (for example, rain, cloud or sunshine) based on the dominant signal. Short-lived changes can still occur, so use the daily table and charts to see wind peaks and rain-risk windows.