Cardiff City travel to Upton Park to play their first match against West Ham in the Premier League.
Malky Mackay's men made the move from the Championship to the Premier League last season. They became the the second Welsh side in the English top flight joining rivals Swansea City.
The match kicks off at 15:00 BST today.
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A dry start with long sunny spells. Cloud will thicken during the afternoon.
Sunshine in the north this evening, but cloudy in the south.
Hundreds of people gathered in Cardiff for International Yoga Day. Young and old came together to learn about the ancient Indian discipline