Mountain weather
Mourne Mountains
Confidence
High for wet and windy conditions developing on Sunday but lower for extent of heavy rain and low cloud. High for rather cool and showery weather early next week but there is some uncertainty in the timings of rain arriving on Thursday.
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This eveningSunrise:Sunset:
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Sun 7 JunSunrise:Sunset:
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Mon 8 JunSunrise:Sunset:
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Further outlook
This evening forecast
Cloud and patchy rain soon clearing then dry with clear spells. Strengthening westerly winds on the tops.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Heavy Persistent Rain
Gales
Thunderstorms
Mountain weather forecast
Mainly dry start then rain arriving, heavy at times. Strong southwest winds.
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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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Weather
(at 800m)
|
Weather symbols | ||||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
20%
|
40%
|
20%
|
20%
|
70%
|
80%
|
80%
|
80%
|
Wind direction and speed
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | S 21mph knots
S
21mph |
SW 26mph knots
SW
26mph |
SW 28mph knots
SW
28mph |
SW 28mph knots
SW
28mph |
SW 28mph knots
SW
28mph |
SW 23mph knots
SW
23mph |
SW 19mph knots
SW
19mph |
SW 18mph knots
SW
18mph |
|
300m
|
300m | S 8mph knots
S
8mph |
SW 13mph knots
SW
13mph |
SW 16mph knots
SW
16mph |
SW 18mph knots
SW
18mph |
SW 16mph knots
SW
16mph |
SW 15mph knots
SW
15mph |
SW 12mph knots
SW
12mph |
SW 10mph knots
SW
10mph |
|
Valley
|
Valley | S 6mph knots
S
6mph |
SW 12mph knots
SW
12mph |
SW 14mph knots
SW
14mph |
SW 16mph knots
SW
16mph |
SW 14mph knots
SW
14mph |
SW 12mph knots
SW
12mph |
SW 10mph knots
SW
10mph |
SW 8mph knots
SW
8mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 28mph | 36mph | 40mph | 40mph | 40mph | 32mph | 27mph | 26mph |
|
300m
|
300m | 15mph | 24mph | 27mph | 30mph | 27mph | 24mph | 20mph | 18mph |
|
Valley
|
Valley | 15mph | 24mph | 26mph | 30mph | 27mph | 23mph | 19mph | 17mph |
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
300m
|
300m | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 10 degrees Celsius 10°C |
|
Valley
|
Valley | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C |
| Freezing Level | Freezing Level |
2100m
|
2200m
|
2000m
|
2000m
|
2300m
|
2200m
|
2100m
|
1800m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 5 degrees Celsius 5°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 4 degrees Celsius 4°C |
|
300m
|
300m | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C |
|
Valley
|
Valley | 9 degrees Celsius 9°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 |
| Freezing Level | Freezing Level |
2100m
|
2200m
|
2000m
|
2000m
|
2300m
|
2200m
|
2100m
|
1800m
|
Additional weather information
Meteorologist's view
Wet and windy weather arriving by late morning so good planning, perhaps a lower level route choice, will be required to avoid the worst of the conditions.
Weather
Patchy light rain overnight then a dry start to the day with a little brightness. Cloud thickening with outbreaks of rain arriving around late morning and continuing for the rest of the day, heavy at times with a small risk of lightning.
Chance of cloud-free hill tops
80% in morning becoming 20% in afternoon.
Low cloud and visibility
Good visibility to start the day with just patchy cloud above 600m, then becoming poor at times from late morning with extensive cloud developing, bases 500 to 700m.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Rain will clear eastwards overnight then a dry and sunny start. Cloud will increase from late morning onwards with showers developing, some possibly heavy and thundery.
Chance of cloud-free hill tops
90%.
Maximum wind speed expected
West or Southwest 15 to 20mph gusts 30mph.
Temperature
- At 700m Plus 5C rising to 9C.
- Valley Plus 8C rising to 15C.
- Freezing level Above summits.
Low cloud and visibility
Mainly very good air clarity. Occasional reductions in showers with patchy cloud above 600m.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Tue 9 Jun
Bright spells and showers, some heavy and possibly thundery. Rather cold on the tops with strong southwesterly winds.
Wed 10 Jun
Bright spells and showers, some heavy and possibly thundery. Rather cold on the tops with strong southwesterly winds.
Thu 11 Jun
Unsettled and windy with showers or longer spells of rain..
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.