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Regional Forecast for Ulster

Issued at: 22 May 2018 06:00

TODAY - Tuesday 22nd May

Today will be dry and sunny spells will develop after a misty start in some parts. Maximum temperatures will range from about 13 to 16 degrees. Winds mostly light or moderate north to northeasterly, with a sea breeze likely on the east coast.

TONIGHT - Tuesday 22nd May

Dry tonight with clear periods and some patchy mist and fog will develop towards dawn. Overnight lows of 5 to 9 degrees.

Solar UV Index

High in sunshine, otherwise moderate

UV Index

TOMORROW - Wednesday 23rd May

Early mist and fog will clear, then tomorrow will be dry and bright with good sunshine in light breezes. Afternoon temperatures of 15 to 19 degrees generally, cooler on coasts due to moderate sea breezes. ?

National Outlook

Outlook is for warm weather through the rest of the week and over the weekend into next week, dry at first but there is a risk of some thundery conditions later in the weekend and into Monday.

Wednesday Night: Mild and dry on Wednesday night with light winds and some patchy mist or fog in lows of 7 to 10 degrees Celsius.

Thursday and Friday will see a good deal of dry weather with good sunshine. However some showers will break out in some central areas on Thursday afternoon and showers could occur on parts of the east coast later Friday. Light north or northeasterly breezes, moderate around the coasts and variable in Sea breezes with afternoon highs of 16 to 21 degrees Celsius.

Saturday: Warm on Saturday and becoming more humid with highs of 20 or 21 degrees Celsius, but about 16 or 17 degrees in some eastern areas. Most places will be dry, some sunny spells but there will be more cloud about with the risk of some scattered showers.

Sunday and Monday: Latest indications suggest warm and very humid conditions on Sunday and Monday with temperatures in the low to mid-twenties in mostly moderate easterly breezes and muggy at night. Many places will be dry but some thundery outbreaks are likely to occur at times.

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