Wales

Llanuwchllyn 14-Day Forecast

Gwynedd, Wales

Llanuwchllyn Outlook (Next 14 Days)

Across Llanuwchllyn today, a pleasant feel underpins the day while persistent showers with only limited respite moves through. With little wind to stir things up, the feel depends mainly on cloud breaks and showers. Inland areas may be somewhat drier at times.

The nearer days offer the firmest steer; beyond that, an unsettled pattern overall, with showers returning at times and pleasant temperatures overall. As the wider pattern evolves, the detail can adjust between updates, even when the overall direction stays the same. 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 10°C Moderate rain 27 km/h 96% 95% 10 km 2 04:53 AM 09:32 PM
Fri, 5 Jun 14°C 7°C Patchy rain nearby 20 km/h 73% 77% 10 km 6 04:52 AM 09:33 PM
Sat, 6 Jun 14°C 9°C Patchy rain nearby 21 km/h 94% 93% 6 km 1 04:52 AM 09:34 PM
Sun, 7 Jun 16°C 6°C Patchy rain nearby 22 km/h 88% 90% 8 km 4 04:51 AM 09:35 PM
Mon, 8 Jun 12°C 7°C Heavy rain 26 km/h 97% 93% 9 km 3 04:51 AM 09:36 PM
Tue, 9 Jun 13°C 7°C Patchy rain nearby 27 km/h 73% 82% 10 km 2 04:50 AM 09:37 PM
Wed, 10 Jun 15°C 7°C Patchy rain nearby 32 km/h 90% 89% 7 km 3 04:50 AM 09:38 PM
Thu, 11 Jun 16°C 5°C Patchy rain nearby 12 km/h 73% 80% 8 km 3 04:49 AM 09:38 PM
Fri, 12 Jun 14°C 7°C Patchy rain nearby 31 km/h 73% 83% 8 km 3 04:49 AM 09:39 PM
Sat, 13 Jun 17°C 5°C Patchy rain nearby 19 km/h 73% 78% 7 km 3 04:49 AM 09:40 PM
Sun, 14 Jun 13°C 8°C Patchy rain nearby 23 km/h 88% 92% 6 km 2 04:49 AM 09:40 PM
Mon, 15 Jun 15°C 5°C Partly Cloudy 16 km/h 6% 78% 7 km 4 04:49 AM 09:41 PM
Tue, 16 Jun 13°C 6°C Patchy rain nearby 17 km/h 97% 97% 3 km 3 04:49 AM 09:41 PM
Wed, 17 Jun 14°C 11°C Patchy rain nearby 9 km/h 98% 98% 2 km 3 04:49 AM 09:42 PM

Temperature Trend

Rain Probability

Wind Speed

UV Index

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.

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 outlook for Llanuwchllyn over the next 14 days?

The 14-day guidance for Llanuwchllyn 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 17°C, lows down to 5°C. Rain-risk signal: 98% at peak (13 higher-risk days). Wind: a windiest-day signal around 32 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 Llanuwchllyn?

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 Llanuwchllyn 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 Llanuwchllyn over the next 14 days?

Across the next two weeks in Llanuwchllyn, 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 Llanuwchllyn 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.