Mountain weather

Mourne Mountains

Mourne Mountains Mountain weather forecast table

Confidence

High for most aspects but medium for cloud until Thursday

Sunrise:
Sunset:
Mountain hazards

Mountain weather hazards

Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.

hazard Strong Sunlight
Harmful UV levels from sunlight increase with altitude giving a greater risk of sunburn and eye damage, even on some overcast days. On breezy days, the cooling effect of wind on exposed skin may disguise any feeling of sunburn until it is too late. If there is snow cover, glare increases the effect of UV rays especially on the eyes. It is advisable to wear sun block, protective clothing such as a long-sleeved top and hat and have good quality eye protection.

hazard Poor Visibility
Poor visibility presents challenging route finding conditions. Visibility could be significantly less than 50 metres in all directions with few or no visual references, especially on featureless moors or plateaux. Distances become hard to judge and cliff or cornice edges can be difficult to recognise. These conditions require good navigational skills. There is a risk of white-out conditions when mist or fog is combined with extensive snow cover.

Mountain weather forecast

Some bright or sunny intervals in morning then cloudy, but mainly dry.

Time 06:00 09:00 12:00 15:00 18:00 21:00
Weather
(at 700m)
Sunny intervals Sunny intervals Cloudy Overcast Cloudy Partly cloudy (night)
Chance of precipitation
(at 700m)
<05% <05% 10% 20% 10% <05%

Wind direction and speed (mph)
Altitude above mean sea level
Time 06:00 09:00 12:00 15:00 18:00 21:00
600m NW
18
NW
14
NW
12
W
15
NW
19
NW
17
300m NW
7
NW
8
W
8
W
9
NW
11
NW
7
Valley NW
5
NW
6
W
6
NW
8
NW
10
NW
7
Wind gust (mph)
Altitude above mean sea level
Time 06:00 09:00 12:00 15:00 18:00 21:00
600m 24 19 16 20 26 26
300m 13 13 12 15 19 15
Valley 13 13 12 15 19 17

Altitude above mean sea level
Time 06:00 09:00 12:00 15:00 18:00 21:00
600m
10°
12°
14°
14°
12°
300m
10°
13°
15°
17°
17°
14°
Valley
12°
15°
16°
18°
18°
15°
Freezing Level
1,800m
3,100m
3,300m
2,800m
3,000m
2,900m

Altitude above mean sea level
Time 06:00 09:00 12:00 15:00 18:00 21:00
600m
12°
11°
300m
12°
14°
16°
15°
13°
Valley
11°
14°
16°
18°
17°
14°

Additional weather information

Meteorologist's view

Cloud details uncertain on Tuesday

Weather

Broken cloud and some clear or sunny intervals in the morning. Then generally cloudy in the afternoon, mainly dry but small chance of a light shower. Cloud breaking again during the evening.

Chance of cloud-free hill tops

60% rising 80%

Low cloud and visibility

Occasional cloud clinging to tops overnight and into morning. Cloud in afternoon perhaps around 750m.

Sunrise:
Sunset:

Mountain weather information

Weather

Dull start with hill fog and drizzle then brightening up with some sunny intervals by afternoon.

Chance of cloud-free hill tops

10% rising 90% by late morning

Maximum wind speed expected

West 15 gusts 25mph.

Temperature

  • At 700m Plus 9 rising to Plus 16 Celsius
  • Valley Plus 13 rising to Plus 22 Celsius
  • Freezing level Above summits

Low cloud and visibility

Cloud at 350-500m at first with lower patches, lifting off summits by late morning and breaking up in the afternoon, with mainly good visibility away from cloud and any early drizzle.

Mountain weather information

Thu 10 Jul

Sunrise:
Sunset:

A cloudy start with some hill fog then cloud lifting off hills, with a few sunny intervals. Moderate west to southwesterly breeze.

Fri 11 Jul

Sunrise:
Sunset:

Dry with unbroken sunshine and a mostly light breeze. Very warm, hot at low levels.

Sat 12 Jul

Sunrise:
Sunset:

Dry with unbroken sunshine and a mostly light breeze. Very warm, hot at low levels.

Updated at:

Summit specific forecast

Mountain summit forecast map

Loading map…