Met Eireann is forecasting the highest temperatures of the year

The latest good weather forecast for the middle of this week has been updated to show that temperatures could hit a year-high of 18 degrees Celsius.

Such high temperatures, which are unseasonable for April, are being pushed up due to a hot African air plume.

But the State forecaster is insisting that the two-day warm sunshine spell for tomorrow and Thursday does not amount to a heatwave.

There is understandable excitement about the summery forecast after a freezing winter and a miserable four-month start to 2018.

Warm weather

Met Eireann meteorologist Deirdre Lowe revealed we will “have very pleasant weather, with temperatures reaching 17C and 18C”.

She said: “It will still be breezy and blustery with a lot of cloud, but I can imagine there will be some spells of actual sunshine throughout the day.

“Thursday will be mainly dry with lighter winds. It won’t be quite as warm as Wednesday, but we can still expect highs of 16C or even 17C.”

She added: “We’ve had a very cold winter and the mild temperatures we will see during the week is certainly unusual.

“However, I wouldn’t go as far as calling a heatwave.

“We’re only going to see these conditions last for a couple of days – a heatwave needs to have consistently high temperatures for a certain period.”

WHAT IS A HEATWAVE?

A heatwave is defined as five consecutive days where maximum temperatures are five degrees above the average.

Unfortunately, the good weather forecast does not extend to the weekend.

Met Eireann’s forecast states: “Friday will be cooler with a few showers about, especially in northern counties, but many places will be dry and bright. Highs of 12C to 16C.

“The weekend will be largely dry and bright for many on Saturday with sunny spells in eastern areas.

“But rain is expected to move into western areas as the day moves on and extend to most places on Saturday night.

“Cooler and fresher on Sunday with sunny spells and scattered showers. Early next week looks like being unsettled with some periods of rain or showers at times.”

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