Thursday 4th September 2025

Unsettled is the theme but we’ll squeeze out two pleasant days for Friday and Saturday.

Thanks to Isabel for the photograph (and apologies to anyone that I haven’t replied to, more messages than normal, less time than normal!).

We start with low pressure in control, though it’s a fairly fluid situation – weather fronts are moving through fairly quickly now.

Thursday starts with an organised band of very heavy showers crossing, though it will likely have pushed through by time I click the publish button. This is followed by sunshine and scattered heavy showers, though in the afternoon they will generally fade and become lighter – this doesn’t totally rule out the chance of a stray heavy shower by late afternoon, but will be pretty unlikely by then. Temperatures nothing special despite plenty of afternoon sunshine, say 18’C or so. Notably breezy too. Mostly clear skies overnight, down to around 9’C.

Friday sees a ridge of high pressure building, so there will be good sunny spells, though also a fair amount of fair-weather cloud. A 20% chance of a stray shower, though should be non-heavy if you do catch one. Around 21’C. Reasonably clear skies overnight, though some high cloud around – down to around 10’C.

Saturday will be a pleasant day. Lots of high cloud around so the sun will generally be hazy, but it will be warm and reach around 22’C, maybe 23’C. High/mid-level cloud overnight, around 15’C.

By Sunday we see the next low pressure system moving in.

Some uncertainty on details so don’t be surprised if this is a little bit off – but probably starting bright, before a band of heavy showers crosses in the morning (showers, so you may miss them). Probably followed by hazy sunshine and feeling warm, around 23’C but give or take, depending on how much sunshine there is. Still a chance of a shower in the afternoon/evening. Most likely dry overnight, though an outside chance of a thundery shower, around 13’C.

Monday sees low pressure edge closer, broadly speaking the weather will be sunny spells and showers – though nothing especially showery/heavy currently expected. Still on the warm side, maybe squeeze 22’C. A band of showers probably pushes east overnight, becoming windy too.

The more likely outcome for Tuesday sees sunny spells and showers once more, rather breezy and still fairly warm, around 21’C.

Most likely it stays unsettled for the rest of the week, and probably into next weekend, probably trending notably cooler. Don’t be surprised if there is some notably heavy rain and strong winds at some point later next week.

Currently I have no expectation for a return to sunshine and warmth. Maybe this is it? Unless there is a hurricane in the western Atlantic to shake up the pattern once more.

I will try to do the autumn forecast in the next couple of days. Enjoy the warm days whilst you can.