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    Forecast summary

    • Regional
    • UK 5 days
    • UK 6-30 days

    Regional forecast for Wales

    Staying largely dry with plenty of warm sunny spells.

    Today:

    It will stay mostly dry today, but skies will be rather cloudy in the south. There may be the odd spot of drizzle and some coastal fog along southern coasts, but northern parts are likely to see some sunny spells. Maximum Temperature 20 °C.

    Tonight:

    Skies will be rather cloudy overnight with fog forming over the hills where the cloud thickens. However, there will be some clear spells in the north and east. Minimum Temperature 7 °C.

    Wednesday:

    After a cloudy start for many, warm sunny spells will develop through the day with light winds and it will stay dry. Maximum Temperature 23 °C.

    Outlook for Thursday to Saturday:

    Dry at first with increasing amounts of sunshine, and becoming very warm or hot for many. However, there is an increasing chance of heavy thundery showers developing on Saturday.

    Updated at: 0447 on Tue 23 May 2017

    UK forecast for the next 5 days

    Largely dry with warm sunny spells for many.

    Today:

    Largely dry today with some warm sunny spells for most. However, skies will be cloudier in the southwest with mist and fog over hills and along some coasts. Outbreaks of rain in the far northwest at times.

    Tonight:

    Staying generally dry overnight, apart from patchy rain in the northwest. Skies turning cloudier across western parts with widespread hill fog.

    Wednesday:

    Patchy rain in the far northwest will gradually ease through the day. Dry elsewhere with patchy cloud and sunny spells, but coastal fog persisting along some southern coasts.

    Outlook for Thursday to Saturday:

    Dry at first with increasing amounts of sunshine, and becoming very warm or hot for many. However, an increasing chance of thundery showers moving into western areas on Saturday.

    Updated at: 0311 on Tue 23 May 2017

    Outlook for the UK over the next 6-30 days

    UK Outlook for Sunday 28 May 2017 to Tuesday 6 Jun 2017:

    A very uncertain period, but the more likely scenario is for rather mixed conditions during the Bank Holiday, with showery outbreaks of rain, perhaps heavy and thundery, but also some brighter spells. Temperatures are likely to be down compared to earlier on in the weekend, although it should stay rather warm and humid, especially in the southeast. Meanwhile, it will probably be cooler and fresher in the north and west, where we may see windier conditions. Into next week, we will generally see a mixture of sunshine and showers, particularly across the northwest. However, we may hold on to drier, brighter and perhaps warmer conditions in the far southeast, although some thundery showers are possible.

    Updated at: 1332 on Tue 23 May 2017

    UK Outlook for Wednesday 7 Jun 2017 to Wednesday 21 Jun 2017:

    Confidence in the forecast remains low into early June, but on balance the first weekend of the month looks set to remain unsettled with showers or longer spells of rain, interspersed with some drier and brighter weather. Into the following week, and more settled weather may begin to dominate bringing drier and brighter weather for many. Temperatures are likely to be close to normal during the start of this period, but as more settled weather arrives it is likely that it will be generally warmer and may become very warm in places.

    Updated at: 1334 on Tue 23 May 2017

    Location Details

    Porthmadog

    Location: 52.9276, -4.1321

    Altitude: 9.0 m above mean sea level

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