Yr Aran weather forecast.

Cloud-free timing: Around 50% early, improving to around 100% later.

A mixed day on Yr Aran: summit wind broadly 10-25 mph, with gusts 25-35 mph early in the morning (strong winds). Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Any cloud sits well above the tops (base 800-1600 m) - clear summits. 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.

Cloud-free timing: Around 75% early, improving to around 100% later.

A fine day on Yr Aran: summit wind broadly 5-20 mph, with gusts 15-25 mph around midday (fresh and blowy). Any cloud sits well above the tops (base 1000-1600 m) - clear summits. Little or no rain expected. 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.

A mixed day on Yr Aran: summit wind broadly 15-25 mph, with gusts 25-35 mph during the afternoon (strong winds). Any cloud sits well above the tops (base 1100-1400 m) - clear summits. Little or no rain expected. Bright spells with UV up to 5 - sunscreen on exposed skin. Confidence moderate - the forecast models differ somewhat (the forecast models show a moderate spread), so treat the numbers as a guide. Treat the cloud base with caution - the models disagree on humidity, so it could be well above or below the figure given.

A fine day on Yr Aran: 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 1200-1700 m) - clear summits. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. 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 Yr Aran: summit wind broadly 5-20 mph, with gusts 20-30 mph early in the morning (fresh and blowy). Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Low confidence - the models disagree markedly (the forecast models are widely spread); check again nearer the time.

A fine day on Yr Aran: summit wind broadly 10-25 mph, with gusts 20-30 mph during the afternoon (fresh and blowy). Any cloud sits well above the tops (base 1500-1800 m) - clear summits. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin.

Cloud-free timing: Around 100% early, falling to around 40% later.

A mixed day on Yr Aran: summit wind broadly 15-30 mph, with gusts 30-40 mph early in the morning (strong winds). Thunder watch from the afternoon into overnight: a small but credible risk is present. Watch for growing clouds and leave exposed tops if thunder develops. Much calmer lower down - generally 5-15 mph in the valley, rising towards the tops. Little or no rain expected. Bright spells with UV up to 6 - sunscreen on exposed skin. Low confidence - the models disagree markedly (the forecast models are widely spread); 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.