Wales

Sarnau 14-Day Forecast

Carmarthenshire, Wales

Sarnau Outlook (Next 14 Days)

For Sarnau today, much of the day’s character comes from some showers likely, with brighter breaks between. Slightly cooler nights inland. a comfortable feel sits underneath. At times, a breeze may freshen the feel, most noticeably on more exposed ground.

Across the period ahead, the outlook remains a changeable pattern overall, with alternating spells and comfortable temperatures overall. Near-term detail is typically the most reliable, while later stages focus on the broader direction of travel. Subtle changes in system tracks can alter the timing of rain or breezier periods, so it’s worth checking back for updates. 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 15°C 11°C Moderate rain 37 km/h 92% 87% 9 km 6 05:02 AM 09:30 PM
Fri, 5 Jun 14°C 7°C Patchy rain nearby 27 km/h 73% 77% 10 km 6 05:01 AM 09:31 PM
Sat, 6 Jun 14°C 11°C Moderate rain 41 km/h 93% 88% 8 km 2 05:00 AM 09:31 PM
Sun, 7 Jun 14°C 12°C Moderate rain 37 km/h 97% 92% 8 km 5 05:00 AM 09:32 PM
Mon, 8 Jun 14°C 10°C Moderate rain 37 km/h 91% 85% 10 km 3 04:59 AM 09:33 PM
Tue, 9 Jun 15°C 10°C Patchy rain nearby 32 km/h 82% 86% 10 km 3 04:59 AM 09:34 PM
Wed, 10 Jun 16°C 11°C Patchy rain nearby 32 km/h 73% 89% 10 km 3 04:59 AM 09:35 PM
Thu, 11 Jun 17°C 11°C Sunny 10 km/h 6% 80% 10 km 4 04:58 AM 09:36 PM
Fri, 12 Jun 22°C 10°C Partly Cloudy 13 km/h 8% 80% 10 km 5 04:58 AM 09:36 PM
Sat, 13 Jun 24°C 16°C Partly Cloudy 21 km/h 6% 79% 10 km 5 04:58 AM 09:37 PM
Sun, 14 Jun 21°C 14°C Patchy rain nearby 16 km/h 73% 87% 10 km 4 04:58 AM 09:37 PM
Mon, 15 Jun 22°C 13°C Partly Cloudy 11 km/h 5% 84% 10 km 5 04:58 AM 09:38 PM
Tue, 16 Jun 21°C 14°C Sunny 16 km/h 3% 77% 10 km 5 04:58 AM 09:38 PM
Wed, 17 Jun 18°C 12°C Partly Cloudy 24 km/h 6% 82% 10 km 4 04:58 AM 09:39 PM

Temperature Trend

Rain Probability

Wind Speed

UV Index

Forecast charts summarise likely conditions, but day-to-day outcomes in the UK often depend on how the larger pressure pattern evolves. Use the context links below to interpret the signal more reliably.

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 Sarnau over the next 14 days?

The 14-day guidance for Sarnau points to Moderate rain featuring frequently, with day-to-day details changing as systems move through. Temperatures hold fairly steady overall. Typical range: highs up to 24°C, lows down to 7°C. Rain-risk signal: 97% at peak (8 higher-risk days). Wind: a windiest-day signal around 41 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 Sarnau?

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 Sarnau 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 Sarnau over the next 14 days?

Across the next two weeks in Sarnau, 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 Sarnau 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.