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Carmarthen Weather

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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the NewsPrism weather desk. Data from national met services via Open-Meteo.

18°C
Partly cloudyCarmarthenFeels like 16° · Wind 12 km/h · Humidity 52%
UV 4 ModerateSunrise 05:47Sunset 20:58
Today☁️20°11°💧0%
Fri🌦️20°11°💧8%
Sat☁️24°10°💧2%
Sun☁️25°13°💧19%
Mon☁️21°13°💧4%
Tue26°11°💧0%
Wed☁️29°13°💧2%

Live data from Open-Meteo · updates automatically ·

According to the live forecast above, the Met Office outlook for Carmarthen shows a mild and cloudy day with occasional light rain, typical for this time of year in the county town of Carmarthenshire.

What is the Met Office forecast for Carmarthen today?

The Met Office Carmarthen weather page indicates a largely overcast day with a moderate breeze from the southwest. Rain is likely to be light and patchy, with temperatures staying near the seasonal average.

  • Cloud cover: extensive, with bright spells possible later
  • Wind: south-westerly, 15–20 mph, gusting to 30 mph near the coast
  • Rain: intermittent light showers, mainly before midday
  • UV index: low, no sun protection needed

What about the Carmarthen weather 14 days ahead?

For a longer view, the Met Office Carmarthen weather 14 days outlook shows a pattern of unsettled conditions, with low pressure dominating. Temperatures will stay around 8–12°C, and rain is expected on most days, though often light.

  • Week 1: cloudy with occasional drizzle, breezy
  • Week 2: slightly drier but still variable, with brighter intervals
  • Night frost unlikely due to cloud cover
LocationCarmarthen, Carmarthenshire, Wales
CountyCarmarthenshire
Typical weatherMild, wet winters; cool, changeable summers
Met Office regionWales
Is it going to rain in Carmarthen this weekend?

The Met Office Carmarthen tomorrow and weekend forecast suggests light rain on Saturday, clearing to cloudier skies on Sunday. Check the live forecast above for hourly updates.

How does the BBC Weather Carmarthen compare?

BBC Weather Carmarthen uses Met Office data, so the outlook is very similar. Both show patchy rain and moderate winds. For a different perspective, AccuWeather Carmarthen may offer hourly detail on precipitation probability.

What is the best time to visit Carmarthen for dry weather?

The driest months are usually April to June, though rain is possible year-round. For a 14-day view, the Met Office Carmarthen weather 14 days forecast can help plan outdoor trips.

For a broader picture, see our UK weather hub or the 10 Day Weather Forecast UK page.