Dylan Lewis, a resident of Aberystwyth, has described what happened when a suspected sonic boom shook the town earlier today.
He said "there was an incredibly loud boom. I thought the chimney had collapsed - so I ran out into the garden."
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A 'Festival of Autism has been held in Swansea to raise awareness and help people understand the condition.
There will be some patchy cloud, especially in the west later, and the chance of an odd shower, but in the sunshine it will feel pleasant.
A runner who carried a fellow athlete over the London Marathon finishing line claimed helping was "more important" to him than his time.