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    Forecast summary

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

    Regional forecast for Wales

    Outbreaks of rain and strong winds.

    This Evening and Tonight:

    Outbreaks of often heavy rain will arrive in the northwest tonight, with low cloud and strong winds. The rain will become more widespread tonight but it will be lighter, with low cloud and hill fog for most. Minimum Temperature 16 °C.

    Monday:

    Monday will start grey and damp but some warm bright or sunny spells will develop in the east. Low cloud and spots of drizzle may linger in western areas though. Maximum Temperature 24 °C.

    Outlook for Tuesday to Thursday:

    Tuesday will be hot and sunny, but with the risk of thunder later which will last into Wednesday. Some sunny spells will develop Wednesday, with the risk of thunder Thursday.

    Updated at: 1610 on Sun 21 Jul 2019

    UK forecast for the next 5 days

    Turning wet and windy in the northwest. Drier in south.

    This Evening and Tonight:

    Rain in Northern Ireland and western Scotland will spread into northwest England and Wales, with some heavy outbreaks and strong winds. Further south it will be mostly dry, with clear spells, but it will be breezy.

    Monday:

    After a cloudy and wet start for some, the rain will become confined to western Scotland. Otherwise, warm sunny spells will develop away from windward coasts.

    Outlook for Tuesday to Thursday:

    Sunny Tuesday, and very warm or hot. Thunderstorms likely in west later, lasting into Wednesday. Exceptionally warm night southeast, and hot here Wednesday, Thursday. Fresher in west, risk of thunder.

    Updated at: 1610 on Sun 21 Jul 2019

    Outlook for the UK over the next 6-30 days

    UK Outlook for Friday 26 Jul 2019 to Sunday 4 Aug 2019:

    Overnight rain and thunderstorms will clear eastwards on Friday, to sunny spells and occasional showers. The showers will mainly be in the west, with a low risk of thunderstorms, and they will introduce fresher conditions. It will be breezy in the north, with further cloud and rain from the southwest later. Into the weekend, confidence falls low, but fresher conditions will be the most probable. A northwest to southeast split will be the most likely scenario. The northwest is likely to see further spells of rain and strong winds at times, with temperatures near or a little below average. The south and southeast are likely to see drier weather, and here it could still be warm into the start of August.

    Updated at: 1138 on Sun 21 Jul 2019

    UK Outlook for Monday 5 Aug 2019 to Monday 19 Aug 2019:

    As we move into early August, the final month of the meteorological summer, confidence is low in the forecast with no one single weather pattern looking to dominate. It is most likely that low pressure to the north and northwest of the UK will give further rise to showers or longer spells of rain in the northwest, with the better chance of drier weather in the southeast. Temperatures will likely be above average, perhaps mostly in western and southern areas. However, confidence falls as we head through August.

    Updated at: 1138 on Sun 21 Jul 2019

    Location Details

    Caernarfon

    Location: 53.1393, -4.2727

    Altitude: 10.0 m above mean sea level

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