Picws Du, from Fan Foel

SWC Walk 86 Fan Brycheiniog and Fan Foel (The Black Mountain)

11-Oct-16 • thomasgrabow on Flickr

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Fan Fechan Moraine at bottom of Fan Hir Escarpment

SWC Walk 86 Fan Brycheiniog and Fan Foel (The Black Mountain)

11-Oct-16 • thomasgrabow on Flickr

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Northerly Views from Fan Hir towards Glasfynydd Forest

SWC Walk 86 Fan Brycheiniog and Fan Foel (The Black Mountain)

11-Oct-16 • thomasgrabow on Flickr

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Wild Hill Ponies (on Cefn Disgwylfa) [off-route]

SWC Walk 86 Fan Brycheiniog and Fan Foel (The Black Mountain)

11-Oct-16 • thomasgrabow on Flickr

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Fan Gyhirych in the Evening Sun

SWC Walk 86 Fan Brycheiniog and Fan Foel (The Black Mountain)

12-Oct-16 • thomasgrabow on Flickr

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Fan Gyhirych, from ascent up Allt Fach

SWC Walk 86 Fan Brycheiniog and Fan Foel (The Black Mountain)

11-Oct-16 • thomasgrabow on Flickr

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Fan Hir Ridge in clouds

SWC Walk 86 Fan Brycheiniog and Fan Foel (The Black Mountain)

11-Oct-16 • thomasgrabow on Flickr

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Black Mountain (Fan Brycheiniog and Fan Foel) from Glyntawe walk

A strenous start then easy route finding along a glacial ridge through wild upland scenery to one of the highest peaks in the Brecon Beacons National Park with spectacular views.

Hiking Weather

10 Day Forecast for Glyntawe

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Mostly dry, some frost tonight. Gradually turning cloudier on Monday.

This Evening and Tonight:

Any early cloud will soon move away from southern parts, leaving lengthy clear periods across the country. A widespread grass frost will develop away from windward coasts, as winds fall light. Minimum Temperature 1C.

Monday:

A chilly start, but then a dry day to come across the region. The best of the sunshine will be in the morning, with slightly more cloud by the afternoon. Maximum Temperature 13C.

Outlook for Tuesday to Thursday:

Breezy through the midweek period, with some brighter spells, but often rather cloudy skies, with occasional drizzle over the hills. Temperatures climbing a little by Wednesday.

Day 6 to 15

Much colder weather will establish itself across all parts by the end of Friday. The cold feel will be exacerbated by strong northerly winds, touching gale force in parts of the north and northeast. These will blow in plenty of showers, turning wintry, especially across the high ground of northern Britain, but perhaps to lower levels at times in the far north. Widespread overnight frost is likely, with icy stretches where showers have occurred. Then becoming drier from the northwest into the following week, although spells of rain could affect the east and southeast for a time, before a more generally changeable pattern develops as we move into November. Generally staying on the cold side with further overnight frost.

Day 16 to 30

The weather looks changeable and windy at times with bands of rain or showers, interspersed with drier, quieter spells. The wettest and windiest weather is most likely across parts of the north, with perhaps some snow at times over the mountains. Towards the middle of the month, there are signs that high pressure may become more dominant to the north, bringing more generally settled conditions here, but with a greater incidence of overnight frost and fog. Meanwhile, more changeable weather may remain dominant across the south, with some rain here at times, although with any milder spells being short-lived.

Met Office : WL : 2018-10-21T15:07:39

Issued: 1800 on 2018-10-21 for Brecon Beacons

Today

Dry, often sunny, but distinctly cold in strong winds.

Summary Dry and clear in the early hours with a slight frost on peaks and in sheltered areas. Dry and often sunny during the day with variable cloud, mainly above the peaks. Feeling distinctly cold in the strong winds with a slight or significant wind chill.
Chance of Cloud free tops Generally 90 percent during the day.
Ground conditions
Visibility Mainly good to excellent with distant hills clear.
Severe Chill Effect: Low likelihood
Strong Sunlight: Low likelihood
060708 091011 121314 151617 181920 212223
Weather Clear night Clear night Sunny Sunny Sunny intervals Sunny
Rain <05% <05% <05% <05% <05% <05%
Temp (tops) 5 4 4 4 6 7
Wind (tops) 18 18 17 15 12 10
Freezing Level 1200m 1100m 1100m 1100m 1100m 1400m
Day 1

Mainly dry with broken cloud cover and some clear or sunny spells, more likely in the south and east. Patchy hill fog may form on northern and western up-slopes at times. Feeling cold in the strong, sometimes gusty winds.

Ice Will be above the peaks.
Visibility Good at low levels. Poor in the north and west in cloud cover.
Wind West to northwest strong with gusts to 40 or 45 mph.
Temp 6 deg C (at high level)
Day 2

Broken cloud with sunny spells, and occasional fog on northern and western up-slopes. Fresh northwesterly winds persisting. Feeling cold, although with the freezing level above peaks.

Day 3

Rather cloudy with some bright or sunny spells, more likely in the south and east. Cloud may increase later with possible drizzle on up-slopes. Feeling chilly in the moderate or fresh northwesterly winds, with the freezing level lowering to just above peaks later.

Day 4

Overnight cloud and rain clearing by morning. Then an increasingly cold day with strong northwesterly winds. Wintry showers are likely to form on ground above 600 metres as the freezing level lowers to 800 metres.

Data: Met Office