Week ahead - September 18, 2026
High pressure develops.
Some rain far west.

Feeling pleasant in the sunshine.



For the weather for the next few days click here


Monday 21/09/2026
High pressure will bring a largely dry and pleasantly mild day. The best sunny spells are expected across England, Wales and eastern Ireland, while western Scotland and parts of Ireland may be cloudier with a little drizzle. Highs will range from 18 to 22C.


Tuesday 22/09/2026
Much of the UK and Ireland will remain dry and settled beneath high pressure. There will be variable cloud and lengthy sunny spells, although northwestern districts may remain somewhat cloudier. It will feel warm in the sunshine, with highs of 18 to 23C.


 


Wednesday 23/09/2026
High pressure will move gradually eastwards, drawing a mild southerly airflow across the region. Most places will stay dry with bright or hazy spells, but western Ireland and western Scotland may see thicker cloud and occasional drizzle. Highs will be around 17 to 22C.


 


Thursday 24/09/2026
Another mainly dry and mild day is expected, with bright or sunny intervals for many areas. Cloud will begin to increase across Ireland and the far west later as the Atlantic pattern becomes more influential. Highs will reach 17 to 22C.



 
 
 


Friday 25/09/2026
âA more active Atlantic front is expected to bring rain and strengthening winds into Ireland before spreading across the UK. The heaviest and most persistent rain is likely in northern and western areas, while southeastern England may remain dry until later. It will feel mild and humid ahead of the rain, with highs of 16 to 22C.


 


Saturday 26/09/2026
A fresher and more showery westerly pattern is likely to follow the front. Showers will be most frequent across Ireland, Scotland and western Britain, with longer dry and bright periods towards the east and southeast. Westerly winds may remain strong in exposed areas, with highs of 15 to 20C.


Week Ahead
General Remarks
Sa,19.09. cloudy, light rain 12° - 22° 95%
Su,20.09. various clouds 10° - 19° 90%
Mo,21.09. various clouds 10° - 20° 85%
Tu,22.09. various clouds 12° - 23° 80%
We.23.09. various clouds, light rain 12° - 23° 75%
Th,24.09. cloudy, light rain 12° - 22° 70%
Fr,25.09. cloudy, rain 14° - 24° 65%
Sa,26.09. cloudy, rain 12° - 19° 60%
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