Wales

Merthyr Cynog 14-Day Forecast

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Merthyr Cynog Outlook (Next 14 Days)

Across Merthyr Cynog today, an unsettled mix of showers and drier periods will do much of the talking. a comfortable feel sits underneath. Airflow is generally light, keeping conditions feeling fairly contained from one spot to the next.

The broader signal for Merthyr Cynog leans towards a changeable pattern overall, with alternating spells and comfortable temperatures overall. Subtle changes in system tracks can alter the timing of rain or breezier periods, so it’s worth checking back for updates. 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.

Daily Forecast

DateHighLowConditionWindRain %HumidityVisibilityUVSunriseSunset
Thu, 4 Jun 13°C 9°C Moderate rain 35 km/h 96% 92% 8 km 5 04:57 AM 09:27 PM
Fri, 5 Jun 13°C 5°C Patchy rain nearby 26 km/h 73% 81% 10 km 6 04:56 AM 09:28 PM
Sat, 6 Jun 13°C 8°C Patchy rain nearby 34 km/h 95% 93% 9 km 2 04:56 AM 09:29 PM
Sun, 7 Jun 13°C 9°C Moderate rain 28 km/h 97% 94% 8 km 5 04:55 AM 09:30 PM
Mon, 8 Jun 13°C 9°C Moderate rain 34 km/h 95% 89% 9 km 3 04:55 AM 09:30 PM
Tue, 9 Jun 14°C 7°C Patchy rain nearby 26 km/h 73% 87% 9 km 3 04:54 AM 09:31 PM
Wed, 10 Jun 16°C 9°C Patchy rain nearby 32 km/h 73% 87% 9 km 3 04:54 AM 09:32 PM
Thu, 11 Jun 19°C 10°C Partly Cloudy 9 km/h 13% 81% 7 km 4 04:54 AM 09:33 PM
Fri, 12 Jun 21°C 9°C Partly Cloudy 14 km/h 8% 82% 10 km 5 04:53 AM 09:33 PM
Sat, 13 Jun 24°C 14°C Partly Cloudy 18 km/h 7% 81% 10 km 5 04:53 AM 09:34 PM
Sun, 14 Jun 24°C 14°C Patchy rain nearby 15 km/h 73% 85% 10 km 4 04:53 AM 09:35 PM
Mon, 15 Jun 23°C 12°C Sunny 12 km/h 7% 83% 10 km 5 04:53 AM 09:35 PM
Tue, 16 Jun 23°C 15°C Sunny 19 km/h 4% 82% 9 km 5 04:53 AM 09:36 PM
Wed, 17 Jun 19°C 10°C Partly Cloudy 14 km/h 7% 82% 8 km 4 04:53 AM 09:36 PM

Temperature Trend

Rain Probability

Wind Speed

UV Index

For Merthyr Cynog, the forecast is best read as a combination of short-range detail and broader regime. The first few days carry the highest timing confidence, while later periods describe direction and pattern.

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

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 Merthyr Cynog?

Over the next 14 days in Merthyr Cynog, the day-to-day pattern is led most often by Patchy rain nearby 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 Merthyr Cynog?

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 Merthyr Cynog 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 Merthyr Cynog across the next 14 days?

The broader temperature signal for Merthyr Cynog 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 Merthyr Cynog 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.