Expect the height of the Orionids, apparently a good but not great meteor shower-- there's a quarter moon, and they're expecting about 20 meteors/hour.
ETA:The shower continues till the 29th, so even if you can't catch it tonight, you still might see some meteors.
The site has a reasonably handy location interface-- you won't have to figure out when you are compared to GMT.
Link thanks to nwhyte.
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