The University of Dundee released the image which shows clear skies over most of Scotland apart from the far north.
Ireland also basked in good weather.
But in eastern and southern parts of England - and South Yorkshire - there was a thick layer of cloud.
Irvine in Ayrshire was one of the hottest places in the UK yesterday with a temperature of 22 degrees Celsius.
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Culmore, in Northern Ireland, boasted the coldest at eight degrees Celsius.