Astronaut Chris Hadfield, who is part of the current crew on the International Space Station, has tweeted a photo of Wales from orbit.
He described Wales as "rugged, proud and uniquely beautiful."
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Most places will see a dry, bright day with patchy cloud but also some warm sunny spells, and it'll be less breezy than on Friday.
Members of the RMT union are walking out for three days from today in a row over new trains causing disruption to bank holiday services.
The Bank Holiday is here! Which is usually a recipe for wet weather! Yes, we will get our fair share. But it's not all doom and gloom!