Mountain weather
Mourne Mountains
Confidence
High for a cooler spell with some showers at first then turning drier for the weekend.
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This eveningSunrise:Sunset:
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Wed 19 AugSunrise:Sunset:
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Thu 20 AugSunrise:Sunset:
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Further outlook
This evening forecast
Cloud lowering this evening as outbreaks of rain develop, this turning quite heavy later this evening, and accompanied by hill fog. A moderate to fresh westerly breeze on the tops.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Strong Sunlight
Poor Visibility
Thunderstorms
Heavy Persistent Rain
Mountain weather forecast
Mainly dry bright morning then scattered showers in afternoon, turning heavy with slight lightning risk later. Moderate west to southwest breeze.
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Time
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Time |
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03:00
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06:00
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09:00
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21:00
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Weather
(at 800m)
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Weather symbols | ||||||||
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Chance of
precipitation (at 800m)
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Chance of precipitation |
50%
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20%
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10%
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20%
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30%
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60%
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60%
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20%
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Wind direction and speed
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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600m
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600m | W 22mph knots
W
22mph |
W 20mph knots
W
20mph |
W 21mph knots
W
21mph |
SW 20mph knots
SW
20mph |
SW 18mph knots
SW
18mph |
SW 15mph knots
SW
15mph |
W 17mph knots
W
17mph |
NW 17mph knots
NW
17mph |
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300m
|
300m | W 10mph knots
W
10mph |
W 9mph knots
W
9mph |
W 9mph knots
W
9mph |
SW 13mph knots
SW
13mph |
SW 11mph knots
SW
11mph |
SW 9mph knots
SW
9mph |
W 9mph knots
W
9mph |
NW 9mph knots
NW
9mph |
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Valley
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Valley | W 8mph knots
W
8mph |
W 7mph knots
W
7mph |
W 8mph knots
W
8mph |
SW 11mph knots
SW
11mph |
SW 9mph knots
SW
9mph |
SW 8mph knots
SW
8mph |
W 8mph knots
W
8mph |
NW 8mph knots
NW
8mph |
Wind gust
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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600m
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600m | 31mph | 29mph | 30mph | 28mph | 25mph | 21mph | 24mph | 24mph |
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300m
|
300m | 19mph | 18mph | 18mph | 21mph | 19mph | 16mph | 17mph | 17mph |
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Valley
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Valley | 19mph | 17mph | 18mph | 21mph | 18mph | 14mph | 16mph | 15mph |
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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600m
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600m | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
|
Valley
|
Valley | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
| Freezing Level | Freezing Level |
2300m
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2100m
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1900m
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2100m
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2200m
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2300m
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2200m
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2200m
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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600m
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600m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 6 degrees Celsius 6°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 10 degrees Celsius 10°C |
|
Valley
|
Valley | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 11 degrees Celsius 11°C |
| Freezing Level | Freezing Level |
2300m
|
2100m
|
1900m
|
2100m
|
2200m
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2300m
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2200m
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2200m
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Additional weather information
Meteorologist's view
Shower detail uncertain. High UV levels mean sun protection will be required.
Weather
Low cloud and light rain clearing in early hours. A bright start with some sunny spells, then cloud building up to bring some showers in the afternoon, occasionally heavy with the chance of hail and lightning. The showers becoming light and isolated in the evening.
Chance of cloud-free hill tops
20% early hours then 80% through the day, dropping 60% from dusk.
Low cloud and visibility
Cloud in early hours at 450-600m breaking up before morning. By day a few patches above 750m lowering 600m in the evening. Visibility away from cloud occasionally poor in the heavier showers but mainly good otherwise.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
A dull start with patchy rain, then brightening up, though still a fair deal of cloud with just a few sunny intervals. Some good dry spells but a few passing showers.
Chance of cloud-free hill tops
30% at first rising more than 90% during the morning,
Maximum wind speed expected
Northerly 15 gusts 25mph.
Temperature
- At 700m Plus 7 rising to Plus 9 Celsius
- Valley Plus 12 rising to Plus 17 Celsius
- Freezing level Above summits.
Low cloud and visibility
Areas of cloud at 500-700m at first especially in the north then cloud lifting off tops. Visibility away from cloud should then be mostly very good with only temporary reductions in any sharper showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Fri 21 Aug
A clear sunny start then cloud building. Chance of a few afternoon showers. Light to moderate northerly breeze.
Sat 22 Aug
A dry day - a clear sunny start then cloud building up before breaking again in evening. Best sunshine along the coast. Light winds.
Sun 23 Aug
Another dry and bright day with light winds.
Summit specific forecast
The Mourne Mountains are a granite mountain range in County Down in the southeast of Northern Ireland, is an area of outstanding natural beauty, and has been proposed as the first National Park in Northern Ireland.