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National Forecast

Issued at: 21 March 2019 22:21

TONIGHT - Thursday 21st March

Tonight will be cloudy and mostly dry apart from just a few spots of rain or drizzle. However, towards morning rain will develop along Atlantic coastal counties. Fresh southerly winds will strengthen and become very strong along northwest coasts by morning. Staying rather mild with lowest temperatures of 7 to 9 degrees with some mist or fog affecting mainly the south and west.

TOMORROW - Friday 22nd March

Tomorrow, Friday, will be mostly cloudy with rain in the west and northwest spreading eastwards during the morning and early afternoon, accompanied by fresh to strong southerly winds. The rain will clear to scattered showers with some sunny spells developing. Mid day temperatures will be 9 to 12 degrees but it will turn cooler and fresher with the clearance as winds veer west to northwesterly and moderate.

National Outlook

The outlook is for colder weather over the weekend, but there will be a lot of dry bright conditions with frosty nights and mostly settled during the early days of next week also:

Friday night: Cold on Friday night with clear periods and well scattered showers in northern and northwestern counties, dry elsewhere with clear periods. Overnight lows of 0 to 3 degrees Celsius and a sharp frost and some mist or fog patches in southern areas.

Saturday: A cool, mostly dry and bright day on Saturday with sunny spells and just the very odd shower in northern counties. Winds light and afternoon highs of 8 to 11 degrees Celsius. Cold on Saturday night with widespread sharp to severe frost away from northern areas and patchy mist or fog in light winds. Overnight lows will range from -2 to +2 degrees Celsius (coldest in south midlands)

Sunday will be rather cool, dry and bright in most places, with frost, mist and fog clearing during the morning. Cloudier in northern counties with some showery outbreaks of rain developing in these areas during the day. Highs of 8 to 11 degrees Celsius. Some frost in southern counties on Sunday night with temperatures falling to 1 or 2 degrees Celsius, but cloudier skies further north should prevent significant frost, but some patchy mist and fog may form.

Monday: A cloudy start in many areas with some showers in parts of the north and northeast in the morning. Mostly dry in the afternoon with cloud breaking and some sunny spells developing, best in southern areas. Highs of 10 or 11 degrees Celsius in light variable winds. Frost overnight

Tuesday and Wednesday: Mostly dry settled weather with light winds and variable cloud, daytime highs of 11 to 13 degrees Celsius, some frost by night when skiers are clear.

 

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