Corn Du today (updated 03:11, 28 Oct): up to 8°C at the summit, feeling as cold as -1°C, summit wind 41 mph gusting 51 mph, 75% chance of rain. A poor day for the hills. Best day this week: Saturday, summit gusts 19 mph.
Corn Du weather today
Dense drizzle, up to 8°C at the summit, feeling as cold as -1°C, summit wind 41 mph gusting 51 mph, 75% chance of rain. Rated Poor.
Corn Du weather tomorrow
Thursday 29 October: mostly dry, up to 8°C at the summit, feeling as cold as 2°C, summit wind 37 mph gusting 46 mph, 0% chance of rain. Rated Marginal.
Corn Du weather this weekend
Saturday 31 October: fog, up to 5°C at the summit, feeling as cold as -2°C, summit wind 15 mph gusting 19 mph, 0% chance of rain. Rated Good.
Sunday 1 November: mostly dry, up to 4°C at the summit, feeling as cold as -1°C, summit wind 33 mph gusting 41 mph, 0% chance of rain. Rated Marginal.
Corn Du summit forecast, next 7 days
Day
Verdict
High/low
Feels like
Wind/gust mph
Rain or snow
TodayDense drizzle
Poor
8°/4°
-1°
41/51
75%
TomorrowLight drizzle
Marginal
8°/5°
2°
37/46
0%
Fri 30Fog
Marginal
9°/1°
-1°
37/46
0%
Sat 31Fog
Good
5°/1°
-2°
15/19
0%
Sun 1Light drizzle
Marginal
4°/1°
-1°
33/41
0%
Mon 2Light drizzle
Marginal
5°/2°
-2°
31/39
4%
Tue 3Overcast
Marginal
6°/2°
-2°
28/36
2%
Corn Du 14-day weather forecast: days 8 to 14, less certain
Day
Verdict
High/low
Feels like
Wind/gust mph
Rain or snow
Wed 4Fog
Good
6°/3°
0°
18/23
4%
Thu 5Overcast
Good
5°/3°
0°
18/23
2%
Fri 6Overcast
Good
5°/2°
-1°
21/27
8%
Sat 7Fog
Good
5°/1°
-1°
20/25
9%
Sun 8Fog
Good
4°/-1°
-3°
16/20
13%
Mon 9Fog
Good
4°/-3°
-5°
20/25
18%
Tue 10Fog
Good
3°/-3°
-6°
20/26
25%
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Corn Du each morning this week, from overnight temperature, humidity and low cloud below the 872m summit.
Dark sky · 7 days
How dark the sky gets over Corn Du each night this week, from cloud cover, moonlight and local light pollution.
Snow · 7 days
No snow is forecast at the summit in the next 7 days.
Sun today
Sunrise 07:01, sunset 16:53
9h 53m of daylight. Golden hour ends 07:50 and starts 16:04. From the summit you see the sun 06:55 to 16:59.
Corn Du sits beside Pen y Fan at the heart of the Brecon Beacons. It reaches 872m (2861ft) and is a Nuttall. With 28m of prominence it is a top of Pen y Fan (886m), which is 0.6km to the north-east. Craig Gwaun Taf (826m) is 0.6km to the south and Cribyn (795m) 1.7km to the east.
The most popular route starts at Pont ar Daf on the Brecon to Merthyr road and follows a wide, pitched path up the slopes to the col below Corn Du. From there you climb a short, steep section to the summit. A second route starts at the Storey Arms and climbs past the Tommy Jones obelisk below the north face.
The summit plateau has the flat, layered sandstone cap typical of the Beacons. The north face drops into Cwm Llwch, so take care near the edge.
Corn Du is 872 m (2,859 ft) high with 28 m of prominence. It is in Brecon Beacons, Wales. It is the 2nd highest of the 36 summits Peakify lists in Brecon Beacons. The nearest summits are Craig Gwaun Taf (0.6 km), Pen y Fan (0.6 km) and Cribyn (1.7 km).
Can you climb Corn Du and Pen y Fan together?
Yes. Pen y Fan is 0.6km to the north-east, and almost everyone climbs the two together.
What is the easiest way up Corn Du?
The pitched path from Pont ar Daf on the Brecon to Merthyr road is the most direct and popular route.
Is Corn Du suitable for beginners?
Yes, in good weather. The paths are clear and well made, though the final section is steep.
What is the Tommy Jones obelisk?
It is a memorial below Corn Du on the north side, on the route from the Storey Arms.
How high is Corn Du?
Corn Du is 872 metres high with 28 metres of prominence.
Where is Corn Du?
Corn Du is listed in Brecon Beacons, Wales.
Are there routes for Corn Du?
Peakify lists 2 routes for Corn Du, including available distance, ascent, start point, and difficulty details. The easiest is Pont ar Daf (2.7 km one way, Moderate).
Is it safe to climb Corn Du 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 is the weather on Corn Du tomorrow?
Thursday 29 October: mostly dry, up to 8°C at the summit, feeling as cold as 2°C, summit wind 37 mph gusting 46 mph, 0% chance of rain. Rated Marginal.
What is the weather on Corn Du this weekend?
Saturday 31 October: fog, up to 5°C at the summit, feeling as cold as -2°C, summit wind 15 mph gusting 19 mph, 0% chance of rain. Rated Good. Sunday 1 November: mostly dry, up to 4°C at the summit, feeling as cold as -1°C, summit wind 33 mph gusting 41 mph, 0% chance of rain. Rated Marginal.
What weather information is shown for Corn Du?
The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.
Corn Du sits beside Pen y Fan at the heart of the Brecon Beacons. It reaches 872m (2861ft) and is a Nuttall. With 28m of prominence it is a top of Pen y Fan (886m), which is 0.6km to the north-east. Craig Gwaun Taf (826m) is 0.6km to the south and Cribyn (795m) 1.7km to the east.
The most popular route starts at Pont ar Daf on the Brecon to Merthyr road and follows a wide, pitched path up the slopes to the col below Corn Du. From there you climb a short, steep section to the summit. A second route starts at the Storey Arms and climbs past the Tommy Jones obelisk below the north face.
The summit plateau has the flat, layered sandstone cap typical of the Beacons. The north face drops into Cwm Llwch, so take care near the edge.
Corn Du is 872 m (2,859 ft) high with 28 m of prominence. It is in Brecon Beacons, Wales. It is the 2nd highest of the 36 summits Peakify lists in Brecon Beacons. The nearest summits are Craig Gwaun Taf (0.6 km), Pen y Fan (0.6 km) and Cribyn (1.7 km).
Can you climb Corn Du and Pen y Fan together?
Yes. Pen y Fan is 0.6km to the north-east, and almost everyone climbs the two together.
What is the easiest way up Corn Du?
The pitched path from Pont ar Daf on the Brecon to Merthyr road is the most direct and popular route.
Is Corn Du suitable for beginners?
Yes, in good weather. The paths are clear and well made, though the final section is steep.
What is the Tommy Jones obelisk?
It is a memorial below Corn Du on the north side, on the route from the Storey Arms.
How high is Corn Du?
Corn Du is 872 metres high with 28 metres of prominence.
Where is Corn Du?
Corn Du is listed in Brecon Beacons, Wales.
Are there routes for Corn Du?
Peakify lists 2 routes for Corn Du, including available distance, ascent, start point, and difficulty details. The easiest is Pont ar Daf (2.7 km one way, Moderate).
Is it safe to climb Corn Du 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 is the weather on Corn Du tomorrow?
Thursday 29 October: mostly dry, up to 8°C at the summit, feeling as cold as 2°C, summit wind 37 mph gusting 46 mph, 0% chance of rain. Rated Marginal.
What is the weather on Corn Du this weekend?
Saturday 31 October: fog, up to 5°C at the summit, feeling as cold as -2°C, summit wind 15 mph gusting 19 mph, 0% chance of rain. Rated Good. Sunday 1 November: mostly dry, up to 4°C at the summit, feeling as cold as -1°C, summit wind 33 mph gusting 41 mph, 0% chance of rain. Rated Marginal.
What weather information is shown for Corn Du?
The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.