Just looking at the outlook for next week it looks like the air pressure will fall away around the middle of next week. The air pressure at the moment is around 1025 hpa, come Thursday and Friday the air pressure will be below 1000 hpa. Then the air pressure will rise again during next weekend.
The GEFS Graph.
The gefs graph shows the temperature is well below the 30 year average and it will be around the middle of the month before it rises above the 30 year average again. The graph also shows there will be a fair amount of rain around Wednesday 8th to Saturday 11th.