Clwydian Range and Berwyns
A mixed day in the Clwydian Range and the Berwyns, with cloud on the tops early.
Sunshine and sky
Cloud breaking up. Brighter spells should become more frequent as cloud breaks.
These are direct modelled sunshine hours during daylight, not the probability of sunshine. Cloud cover and summit cloud are assessed separately in the forecast above. The regional median prevents one unusually bright or dull summit cell defining the whole area.
Overnight forecast: 17:00–08:00 (UK local time), in Wild camping below.
High-ground wind (600 m)
At around 600 m, expect a south-easterly wind of 10–20 mph, gusting 15–25 mph.
Walking impact
Noticeable on exposed ground, but unlikely to impede most walking.
Rain and showers
Drizzle at first, clearing by early afternoon. Rain is possible during the main walking period, but its timing may shift by several hours. The timing may shift by a few hours.
Cloud-free summits
Clear-summit estimate: about 35% early, about 30% around midday and about 45% later.
Cloud and visibility
Cloud on the tops early should lift off them by early afternoon. The cloud base could be as low as 500–800 m in the late afternoon. In cloud you'll be finding your way without landmarks, so carry navigation you trust and know how to use, with a backup such as a spare battery or a map and compass. Mist or fog is possible in some valleys early on.
Temperature and wind chill
At around 600 m it will be 6 to 10°C, feeling like 2 to 6°C in the wind. Take a warm layer and a hat for the top.
Freezing level
The freezing level is above the summits.
Daylight
Sunrise 07:48, Sunset 18:08, about 10.3 hours daylight.
Overnight · 17:00–08:00Wild campingBetaAcross these hills, a mixed night to camp, mainly because of damp air: gusts of about 20 mph. 54Mixed · 600 m View detailsHide details
Full regional overnight outlook
Across these hills, a mixed night to camp, mainly because of damp air. Light winds on open ground, gusting no more than about 20 mph. A little rain is forecast overnight. Up around 600 m you'd likely be in cloud for part of the night: damp, and hard to find your way if you need to move. The air is damp at every height we checked (300-600 m), so expect heavy condensation. Leave the vents open. Overnight lows of about 6°C at 300 m.
Moon overnight
Waxing gibbous moon
- Illuminated disc
- 72%
- Moonrise
- Outside this window
- Moonset
- 01:44 next morning BST
Cloud and terrain vary across the area. Illumination describes the sunlit part of the Moon, not brightness at your pitch.
Overnight window: 20 Oct, 17:00 BST to 21 Oct, 08:00 BST. Approximate open-horizon times; hills can hide the Moon. Still take a headtorch.
Representative location: 52.917, -3.746. Times vary across the area.
Elevation reference (open ground)
- Wind / gust
- 10 mph / 16 mph
- Coldest
- 5.9°C
- In cloud
- 0% of modelled night
- Condensation
- High
- Wind / gust
- 12 mph / 19 mph
- Coldest
- 6.3°C
- In cloud
- 93% of modelled night
- Condensation
- High
Open-hillside guidance across representative hills. Local shelter, ridges, tent design and the exact pitch can change conditions substantially. Read about sleeping-bag comfort ratings, pitching in strong winds or using the wild-camping forecast.
Daytime · exposed rockClimbing & scramblingBetaWet rock is likely. 16Poor · Very poor View detailsHide details
Regional climbing & scrambling outlook
A broad guide to dampness and exposed rock across the area, not a forecast for every crag. Lower, sheltered crags and individual rock types may behave differently.
Conditions for exposed scrambling across the area look very poor (16/100). Rain is likely to leave rock wet. Polished slabs, vegetation and drainage lines may be notably worse. Mapped summit-point geology across the representative hills includes slate or mudstone and volcanic rock. Rock can therefore respond differently to moisture between crags and routes.
Representative summit-point samples across the region; individual crags and routes may differ.
Generic exposed hands-on-rock terrain across representative summits; mapped summit-point geology is a broad regional sample, not a named-route survey. Contains British Geological Survey materials © UKRI 2026. How to use the climbing and scrambling forecast.
Recommended kit for this dayWeather-aware packing prompts, plus your core hillwalking kitView kit
For a day hillwalk, not a complete route-specific checklist. Carry navigation and backup you can use, warm and waterproof layers, suitable footwear, food and water, a headtorch, emergency shelter, first aid and a way to call for help. Snow, ice, technical terrain and overnight trips need additional equipment and skills.
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Weather data: Open-Meteo (CC BY 4.0). Adapted by Mountain Weather.
Updated 15 October 2026 at 15:29 UTC. See typical weekly and monthly conditions for Clwydian Range and Berwyns.