Cloud-free timing: Around 0% early, improving to around 83% later.
A mixed day on Càrn a' Choire Ghairbh: summit wind broadly 10-20 mph, with gusts 20-30 mph during the evening (fresh and blowy). The ground is likely to be saturated after recent rain. Expect boggy paths and rapid runoff if more rain arrives. Cloud base around 600-900 m in the morning, lifting to 1200-1500 m around midday and 1500-1800 m by late afternoon. The top is likely to drift in and out of cloud, with the best chance of a view from late afternoon into the evening. Little or no rain expected. Cold on top: air temperature broadly 4 to 8°C, feeling around -2 to 2°C in the wind - wrap up.