Cnoc an Iolair - Mullach Thiar weather forecast

227 m · 745 ft · Prominence 227 m

Loading the summit forecast…

Next 48 hours · summitNow

Summit today

Is it safe to climb Cnoc an Iolair - Mullach Thiar today?

Loading the summit forecast…

Routes up

Routes coming soon

Cloud inversion · 7 days

The chance of standing above a sea of cloud on Cnoc an Iolair - Mullach Thiar each morning this week, from overnight temperature, humidity and low cloud below the 227m summit.

Dark sky · 7 days

How dark the sky gets over Cnoc an Iolair - Mullach Thiar each night this week, from cloud cover, moonlight and local light pollution.

Snow · 7 days

Snowfall and lying snow at the summit over the next 7 days.

Sun today

Sunrise 08:11, sunset 18:26

10h 15m of daylight. Golden hour ends 09:02 and starts 17:34. From the summit you see the sun 08:08 to 18:29.

About Cnoc an Iolair - Mullach Thiar

Cnoc an Iolair - Mullach Thiar is 227 m (745 ft) high with 227 m of prominence. It is in Derryveagh, Glendowan, Ireland. OS grid reference B653157. It is the 39th highest of the 42 summits Peakify lists in Derryveagh, Glendowan. The nearest summits are Croaghegly (12 km), Sliabh Tuaidh West Top (25 km) and Sliabh Tuaidh (26 km).

How high is Cnoc an Iolair - Mullach Thiar?

Cnoc an Iolair - Mullach Thiar is 227 metres high with 227 metres of prominence.

Where is Cnoc an Iolair - Mullach Thiar?

Cnoc an Iolair - Mullach Thiar is listed in Derryveagh, Glendowan, Ireland.

Are there routes for Cnoc an Iolair - Mullach Thiar?

Route data is not available for this mountain yet, but the page still shows summit, weather, and location context.

Is it safe to climb Cnoc an Iolair - Mullach Thiar today?

Peakify rates each day on the summit Good, Marginal or Poor from the forecast summit wind, gusts, chance of rain and wind chill. Wind of 40 mph or gusts of 65 mph make it Poor; wind of 25 mph, gusts of 45 mph, a 60% chance of rain or a feels-like temperature of -8°C or below make it Marginal. Today's and tomorrow's ratings are at the top of this page. The rating covers the weather only: also check your route, daylight, kit and experience, and in winter whether you need an ice axe and crampons.

What weather information is shown for Cnoc an Iolair - Mullach Thiar?

The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.

More in Derryveagh, Glendowan

Written and kept up to date by the Peakify team. The forecast refreshes every hour; how our forecast works.