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Caernarfon weather map

YELLOW Warnings in force for Gwynedd
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    Forecast summary

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

    Regional forecast for Wales

    Windy with heavy rain for many.


    Rain moving in from the west this morning will turn heavy throughout the day, especially on any hills; with the driest spells in sheltered eastern parts. It will be windy, particularly in the west with coastal gales. Feeling mild. Maximum Temperature 13°C.


    Winds will ease by evening as the rain becomes patchy and light. However, into the early hours rain and wind will once again move in from the southwest. Minimum Temperature 5°C.


    Outbreaks of rain and drizzle and staying generally cloudy. Strong, gusty winds continuing especially on western coasts and over any hills. Maximum Temperature 13°C.

    Outlook for Wednesday to Friday:

    Windy once again on Wednesday with outbreaks of drizzly rain. Further rain possible on Thursday then turning drier but cooler later.

    Updated at: 0334 on Mon 30 Nov 2015

    UK forecast for the next 5 days

    Often wet and windy, with some snow in the north.


    Rain will spread eastwards across Britain, heaviest across west Wales. Hill snow will affect Northern Ireland, southern Scotland and northern England. Northern Scotland looks brighter, but colder with wintry showers. Southern England and south Wales will be mild, but windy.


    The north will have clear periods, scattered wintry showers and a frost overnight. Further south it will be much milder with some rain, which will begin to extend northwards later.


    Wet and windy in the north, some temporary snow, perhaps heavy is likely, before it turns milder. Further south there will be patchy rain and mild southwesterly winds.

    Outlook for Wednesday to Friday:

    Wet and windy weather will spread southeast across Britain during Wednesday. Southern areas will remain wet on Thursday, with sunshine and showers elsewhere. Further unsettled weather will arrive on Friday.

    Updated at: 0330 on Mon 30 Nov 2015

    Outlook for the UK over the next 6-30 days

    UK Outlook for Saturday 5 Dec 2015 to Monday 14 Dec 2015:

    The start of December looks likely to remain unsettled with further areas of low pressure crossing the country, bringing showers or longer spells of rain, heaviest in the northwest, with snowfall expected at times, for the northern hills and perhaps also to lower levels. Brief settled periods are also expected however, with lighter winds, some sunshine and overnight frosts and fog, as high pressure temporarily builds between areas of low pressure. These brief settled spells will become more likely towards the southeast as we go further into the month, with the unsettled weather shifting slightly to the north of the UK. Temperatures are likely to be variable through this period; mild but often wet and windy during the unsettled spells and cold overnight in settled spells or during snowfall.

    UK Outlook for Tuesday 15 Dec 2015 to Tuesday 29 Dec 2015:

    The latest indications are that unsettled, wet and windy weather will continue into late December. Showers or longer spells of rain should affect most parts as Atlantic weather systems move across from the west, these bringing periods of strong winds or gales, severe at times. There are likely to be large temperature variations with a mixture of mild, wet and windy weather, interspersed by colder settled spells, mainly for southern parts, and colder unsettled spells with snowfall, mainly in the north.

    Updated at: 0330 on Mon 30 Nov 2015

    Location Details


    Location: 53.1393, -4.2727

    Altitude: 10m above mean sea level

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