Foel Penolau weather forecast.

Cloud-free timing: Around 25% early, improving to around 100% later.

A mixed day on Foel Penolau: summit wind broadly 10-25 mph, with gusts 25-35 mph early in the morning (strong winds). 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.

A mixed day on Foel Penolau: summit wind broadly 5-20 mph, with gusts 15-25 mph early in the morning (a moderate breeze). Any cloud sits well above the tops (base 600-1300 m) - clear summits. Some rain is likely, with around 2-5 mm indicated; timing and local totals remain uncertain. Bright spells with UV up to 5 - sunscreen on exposed skin.

A fine day on Foel Penolau: summit wind broadly 10-20 mph, with gusts 20-30 mph during the morning (fresh and blowy). Any cloud sits well above the tops (base 1200-1500 m) - clear summits. Little or no rain expected. Bright spells with UV up to 5 - sunscreen on exposed skin. Confidence moderate (ensemble members show a moderate spread) - the summit peak could reasonably be 14-22 mph, so treat the headline as mid-range. Treat the cloud base with caution - the models disagree on humidity, so it could be well above or below the figure given.

Cloud-free timing: Around 50% early, improving to around 80% later.

A fine day on Foel Penolau: summit wind broadly 5-15 mph, with gusts 10-20 mph around midday (a moderate breeze). Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 7 to 14 mph; check again nearer the time. Cloud base is the least certain part of this - the models are only moderately agreed, so it could sit a couple of hundred metres either way.

Cloud-free timing: Around 25% early, improving to around 100% later.

A fine day on Foel Penolau: summit wind broadly 0-20 mph, with gusts 15-25 mph early in the morning (a moderate breeze). Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 8 to 19 mph; check again nearer the time.

A fine day on Foel Penolau: summit wind broadly 10-25 mph, with gusts 20-30 mph early in the morning (fresh and blowy). Any cloud sits well above the tops (base 1500-2100 m) - clear summits. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 10 to 27 mph; check again nearer the time.

Cloud-free timing: Around 100% early, falling to around 20% later.

A fine day on Foel Penolau: summit wind broadly 5-20 mph, with gusts 20-30 mph during the evening (fresh and blowy). Cloud base around 1100-1400 m in the morning, 1400-1700 m around midday and 600-900 m by late afternoon. The top is likely to drift in and out of cloud; views may come and go. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Low confidence (ensemble members are widely spread) - the summit peak could be anywhere from 8 to 22 mph; check again nearer the time. Treat the cloud base with caution - the models disagree on humidity, so it could be well above or below the figure given.