Cloud-free timing: Around 0% early, improving to around 33% later.
A grey, cloudy day on Beinn Dearg (Ullapool): summit wind broadly 10-25 mph, with gusts 25-35 mph early in the morning (fresh and blowy). The ground is likely to be wet after recent rain. Much calmer lower down - generally 0-10 mph in the valley, rising towards the tops. Cloud base around 500-800 m in the morning, lifting to 800-1100 m around midday and 1000-1300 m by late afternoon. Expect clag for much of the day, though a brief clearance is possible during the afternoon. 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 2 to 6°C, feeling around -4 to 0°C in the wind - wrap up.