Don’t worry, the warmth is coming back for a while, as high pressure settles things down. The Reading University site recorded just 2.3’C this morning…an unusually chilly night for mid-September.

Thanks to Isabel for the photograph.

So the general picture sees high pressure building in from the south-west.

This morning will be sunny. Fair-weather cloud will bubble up from around lunchtime onwards, but it will remain pleasant, if still cooler than normal for mid-September, at around 16’C. Mostly clear skies overnight and another chilly night, down to around 4’C – a grass frost possible.

Saturday starts sunny, though there will be some high cloud around making it hazy at times. Mostly this continues into the afternoon, the high cloud thickens a bit to make it hazier, and perhaps there will be a bit more general cloud around – but mostly it will be pleasant and temperatures recovering to 18’C. Enough high cloud overnight to stop temperatures dropping too much, down to around 7’C or so.

Sunday starts with hazy sunshine. A weak weather front will slowly spread down from the north-west in the afternoon, bringing more cloud and some showery rain, but the rain will be hit and miss, you may stay dry. Timing uncertain on the rain aspect, any time from late afternoon to late evening. Around 19’C. Mostly cloudy overnight, thanks to the weather front still struggling to clear – around 13’C.

Monday will be an improving picture – likely starting cloudy due to the weather front, this will slowly break up and move further south, allowing for increasing amounts of sunshine in the afternoon. A chance of some light showers/drizzle in the morning though. Warmer, around 21’C once the sun is out. Reasonably clear skies overnight, down to around 8’C, though a chance of fog forming by dawn.

By Tuesday the high pressure system centres itself just to the east of the UK, which allows an easterly breeze to pick up – but the continent is still quite hot at this time of year.

Good spells of sunshine, some high cloud, some fair-weather cloud but overall very pleasant and around 21’C. Clear spells for a time overnight, though a risk of some low cloud moving in from the North Sea. Mild overnight.

Any early low cloud will break up on Wednesday, to leave good spells of sunshine, some fair weather cloud and becoming very warm, around 24’C, though notably breezy too. Again a risk of low cloud moving in off the North Sea overnight, perhaps mist and fog forming too. Mild again though.

Early low cloud, possible mist/fog will break up during the morning on Thursday to leave good spells of very warm sunshine, some fair-weather cloud likely. Around 24’C in the notable easterly breeze. Again, a good chance of low cloud moving in from the North Sea overnight, mist/fog possibly forming too, but mild.

Similar story for Friday, early low cloud, possible mist/fog breaking up during the morning to leave sunny spells, and temperatures again warm, around 23’C or so. A small chance of a shower by this point – some uncertainty as to whether a thundery low may develop over France by the latter point of next week, and hence we could import a shower too.

The more likely outcome for next weekend continues the same theme of overnight low cloud/mist/fog breaking up to leave good sunny spells, with temperatures broadly around 23’C or so.

The less likely outcome would be for something showery to form, but still with sunny spells at times, and still warm.

Have a good weekend, I’m off to Portugal for a week’s actual relaxing holiday – though I’m not that good at relaxing. Forecasts should still be issued Monday and Thursday/Friday as usual.