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Regional Forecast for Ulster

Issued at: 20 July 2018 06:00

TODAY - Friday 20th July

Cloudy and misty this morning, with some rain and drizzle. This persistent and heavy in places, but becoming lighter by lunchtime. Drying out during this afternoon, with some bright or short sunny spells developing, best this evening. Top temperatures 17 to 19 C. Some hill fog also. Light to moderate southwest breezes will veer northwesterly.

TONIGHT - Friday 20th July

Mild and misty overnight, with possibly a little drizzle in places, but most places dry, with some clear spells developing. Lowest temperatures 11 to 13 C., in light northwest or variable breezes.

Grass Pollen Count


More information

Solar UV Index

low becoming occasionally moderate Friday

UV Index

TOMORROW - Saturday 21st July

Largely dry and bright, with a mix of sunny spells and occasional cloudy periods. Top temperatures 17 to 20 C., in mainly moderate southwest breezes. But there is a chance that some drizzle will push into Atlantic coastal districts in the evening.

National Outlook

General: Close and humid much of the time, but mixed. Some bright or sunny spells at times, but cloudy, misty, damp periods too.

Saturday night: Mild and misty overnight. Some patches of drizzle will develop along the northwest coast, but most other areas should be dry. Lowest temperatures 11 to 14 C., in light variable or southwest breezes.

Sunday: Close and humid in light to moderate southwest breezes. Rather cloudy and misty generally, with scattered patches of drizzle and fog about. These mainly over Ulster and Connacht. But dry, bright spells will develop too, with some sunshine coming through at times. Highs of 18 to 20 C., in many northern and western areas, but values in the low to mid-twenties elsewhere, best of all in sunny breaks. Humid and misty overnight also, with occasional drizzle about and lows of 14 or 15 C.

Monday: Remaining close and humid, but rather mixed. Some dry, bright spells, but cloudy, misty periods too, with occasional rain and patches of fog. Top temperatures 18 to 20 C., in many western and northern areas, but in the low twenties over more southern and eastern areas.

Tuesday: Fresher for Tuesday, with bright or sunny spells, but some cloudy periods at times too. Mostly dry, with any showers light and very well scattered. Highs of 16 to 20 C., in just moderate southwest breezes.

Trend for the Midweek Period: Turning warm and close again, with temperatures ranging from the high teens to the low twenties. Some spells of hazy sunshine at times, but occasional showers also, with possibly a few heavy ones in places.

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