The perseid meteor shower is due to start today and last for about 4 days over the northern hemisphere. According to the BBC
"Watchers will get the best of the display from about 2200 BST (2100 GMT) on Sunday 12 August, which will peak just before sunrise on Monday 13 August. "
Should be quite an event so anyone that can make it to some fields miles away from a major city / town should have a spectacular view!