Ok the rest of Summer 2010, lets classify it as August really and maybe the beginning of September. However already in Ireland the nights are starting to get slightly cooler (6c in Claremorris on night of August 8th) as usually hapens in August. In the last few weeks the daytime temperatures have been very disappointing running slightly below normal in the 16 to 20c range. They are set to continue this way until the weekend of the 13th of August.
What is hoped will be happening at this stage is that a High Zone will pass directly over Ireland as it moves towards Scandanavia and that it will bring with it some higher daytime temperatures of at least 22c and maybe up to 25c. High Pressure zones are very static in their nature and tend to stay where they are during the Summer. On this occasion however storm Colin on the other side of the Atlantic is pushing the Azores High further Eastwards to Ireland and the UK. The High wants to stay where it is rather than go over us so it is forecast to split in two over the British Isles with one half of it establishing over Scandanavia and the other half reexerting itself over the Azores.
In the meantime whilst all this happens we will be getting a week of dry weather that will happen some time between 11th and 20th of August. After this the storm of Colin from the US becomes a secondary Low Pressure system and rushes up to Iceland and expands finally reestablishing wet and showery conditions over Ireland to end the month of August. September is forecast to start off cool and unsettled also though the end of August could bring a brief respite. That said if you are going on holidays the period from the 11th to 20th August would seem to be the last really warm period of the High Summer.
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