August seems to be living up to its reputation for being the wettest summer month in Wales. In parts of the south around an inch of rain fell during the early hours of Wednesday morning with some flooding in the Swansea area.
On Thursday the air was unstable with towering clouds and showers. The showers have been heavy in places but with some hit and miss dry weather, blue sky and sunshine as well. You may have even seen a rainbow like Chris Cousens' on Twitter!
Temperatures on Friday will reach 16 to 20ºC in the afternoon with a south-westerly wind; very brisk on Anglesey and the Llyn Peninsula.
Friday night will see further showers in places, otherwise it will be dry and partly cloudy. The wind will fall light with a few mist patches forming and a fairly mild night, lowest temperatures 10 to 12 Celsius inland, 13 to 15 on the coast.
Saturday will see plenty of dry weather with some sunshine. Cloud will build-up during the day with a few showers likely, mainly in the west and north west where the showers may be heavier. Temperatures will reach highs of between 16 and 20ºC and it will feel pleasantly warm with a light to moderate south to south-westerly breeze.
Sunday should be dry but a warm front over the English Channel will move north into southern England. This will bring cloud and the threat of some rain which could turn heavy, particularly for the south and south east.
North and west Wales will start dry but some rain is possible later on, although it looks like Anglesey will stay dry and bright. Temperatures on Sunday won't be anything to write home about, reaching 16 to 19ºC but at least the wind should be light.
Met Office pressure chart for Sunday 30 August
The forecast for bank holiday Monday looks more straightforward; a few shower clouds will build-up so don’t be surprised if you catch a shower. There’s also a good chance that a lot of places will stay dry with some sunnier spells. Top temperatures will reach 16 to 20ºC with a light to moderate west to north-westerly breeze.
Next week, it looks like September will start on Tuesday with a mixture of sunny spells and showers with some chilly nights but later in the week there are signs that high pressure over the Atlantic will move towards the UK bringing a dry and more settled spell of weather for a change.
Derek
