And if you got out to see the spectacle on the South Lawn, you can see why it works best when the weather is fine -- (laughter) -- as it is today.

WHITEHOUSE: Press Briefing

But the fine weather is set to continue during the first part of the weekend, although rain is a real possibility on Saturday night and during Sunday.

BBC: Warm start for Glastonbury

He introduces the half-dozen main types of clouds as if they were his oldest friends: there is the towering, thunderous cumulonimbus, the beautiful cirrus, the fluffy, fine-weather cumulus.

ECONOMIST: Meteorology