Cloud-free timing: Around 0% early, improving to around 100% later.
A mixed day on Drum: summit wind broadly 10-30 mph, with gusts 25-35 mph early in the morning (strong winds). Cloud base around 600-900 m in the morning, lifting to 1000-1300 m around midday and 1400-1700 m by late afternoon. The top is likely to drift in and out of cloud; views may come and go. Cloud is likely to hang lowest on western slopes; the eastern side should see somewhat higher bases and better breaks. Little or no rain expected. Cold on top: air temperature broadly 4 to 8°C, feeling around 0 to 4°C in the wind - wrap up.