Wales

Cwm-y-glo 14-Day Forecast

Gwynedd, Wales

Cwm-y-glo Outlook (Next 14 Days)

Much of the day around Cwm-y-glo is shaped by spells of rain interspersed with drier intervals, with temperatures pleasant overall. The feel can shift subtly from one spot to another as cloud breaks and showers move through.

Cwm-y-glo broadly follows a changeable pattern overall, with alternating spells and pleasant temperatures overall in the period ahead. Confidence is naturally strongest in the nearer days; later on, treat it as a guide to the prevailing theme rather than exact timing. The charts show the clearest signal of how the pattern shifts, with the daily table adding the practical day-by-day context. As the wider pattern evolves, the detail can adjust between updates, even when the overall direction stays the same.

Daily Forecast

DateHighLowConditionWindRain %HumidityVisibilityUVSunriseSunset
Thu, 4 Jun 15°C 11°C Moderate rain 37 km/h 94% 90% 9 km 4 04:53 AM 09:36 PM
Fri, 5 Jun 14°C 8°C Patchy rain nearby 27 km/h 73% 77% 10 km 6 04:53 AM 09:37 PM
Sat, 6 Jun 15°C 10°C Patchy rain nearby 28 km/h 88% 84% 9 km 3 04:52 AM 09:38 PM
Sun, 7 Jun 14°C 11°C Moderate rain 40 km/h 94% 88% 9 km 5 04:51 AM 09:39 PM
Mon, 8 Jun 14°C 9°C Moderate rain 37 km/h 95% 89% 8 km 3 04:51 AM 09:40 PM
Tue, 9 Jun 14°C 8°C Patchy rain nearby 34 km/h 74% 86% 8 km 3 04:50 AM 09:40 PM
Wed, 10 Jun 15°C 12°C Patchy rain nearby 39 km/h 76% 88% 8 km 3 04:50 AM 09:41 PM
Thu, 11 Jun 17°C 11°C Patchy rain nearby 14 km/h 73% 77% 9 km 3 04:50 AM 09:42 PM
Fri, 12 Jun 21°C 10°C Patchy rain nearby 8 km/h 73% 75% 10 km 4 04:49 AM 09:43 PM
Sat, 13 Jun 24°C 15°C Cloudy 6 km/h 10% 76% 10 km 4 04:49 AM 09:43 PM
Sun, 14 Jun 22°C 14°C Partly Cloudy 17 km/h 6% 83% 10 km 5 04:49 AM 09:44 PM
Mon, 15 Jun 20°C 13°C Sunny 10 km/h 5% 81% 9 km 5 04:49 AM 09:45 PM
Tue, 16 Jun 20°C 13°C Sunny 23 km/h 4% 79% 10 km 5 04:49 AM 09:45 PM
Wed, 17 Jun 17°C 10°C Partly Cloudy 18 km/h 7% 82% 8 km 4 04:49 AM 09:46 PM

Temperature Trend

Rain Probability

Wind Speed

UV Index

This page focuses on practical interpretation for Cwm-y-glo. When the guidance becomes mixed, it is usually a regime question first, rather than a single hourly detail.

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 Cwm-y-glo?

Over the next 14 days in Cwm-y-glo, 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 8°C. Rain-risk signal: 95% at peak (9 higher-risk days). Wind: a windiest-day signal around 40 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 Cwm-y-glo?

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 Cwm-y-glo 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 Cwm-y-glo across the next 14 days?

The broader temperature signal for Cwm-y-glo 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 Cwm-y-glo 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.