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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It's certainly not the brightest of starts to the day, with drizzly rain in places.
It will feel much milder tonight that it did last night, with patchy showers around the coasts.
Well what a difference a day makes! It's the calm after the storm today!