Mountain weather
Mourne Mountains
Confidence
High for a cool, breezy rather unsettled week with a risk of heavy, perhaps thundery, showers. Low for details on Friday.
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This eveningSunrise:Sunset:
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Mon 11 MaySunrise:Sunset:
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Tue 12 MaySunrise:Sunset:
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Further outlook
This evening forecast
Dry with some late sunny spells but cloud increasing towards midnight. Strengthening northwesterly winds.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Strong Sunlight
Mountain weather forecast
Dry with good spells of sunshine. Rather cold on summits
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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)
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Weather symbols | ||||||||
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Chance of
precipitation (at 800m)
|
Chance of precipitation |
30%
|
70%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
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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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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | NW 25mph knots
NW
25mph |
NW 26mph knots
NW
26mph |
N 26mph knots
N
26mph |
N 24mph knots
N
24mph |
N 15mph knots
N
15mph |
NW 15mph knots
NW
15mph |
NW 14mph knots
NW
14mph |
W 8mph knots
W
8mph |
|
300m
|
300m | NW 12mph knots
NW
12mph |
NW 13mph knots
NW
13mph |
N 13mph knots
N
13mph |
N 14mph knots
N
14mph |
N 10mph knots
N
10mph |
NW 10mph knots
NW
10mph |
NW 8mph knots
NW
8mph |
W 3mph knots
W
3mph |
|
Valley
|
Valley | NW 10mph knots
NW
10mph |
NW 11mph knots
NW
11mph |
N 11mph knots
N
11mph |
N 13mph knots
N
13mph |
N 9mph knots
N
9mph |
NW 9mph knots
NW
9mph |
N 7mph knots
N
7mph |
W 2mph knots
W
2mph |
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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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 35mph | 36mph | 36mph | 33mph | 22mph | 22mph | 21mph | 11mph |
|
300m
|
300m | 22mph | 24mph | 24mph | 25mph | 17mph | 17mph | 15mph | 6mph |
|
Valley
|
Valley | 21mph | 23mph | 24mph | 25mph | 17mph | 17mph | 14mph | 5mph |
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Time
|
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
|
600m | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 3 degrees Celsius 3°C | 3 degrees Celsius 3°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 4 degrees Celsius 4°C |
|
300m
|
300m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C | 6 degrees Celsius 6°C |
|
Valley
|
Valley | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 7 degrees Celsius 7°C |
| Freezing Level | Freezing Level |
1200m
|
1300m
|
1100m
|
800m
|
800m
|
900m
|
900m
|
1200m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | -2 degrees Celsius -2°C | -2 degrees Celsius -2°C | -3 degrees Celsius -3°C | -3 degrees Celsius -3°C | 0 degrees Celsius 0°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 1 degrees Celsius 1°C |
|
300m
|
300m | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 2 degrees Celsius 2°C | 3 degrees Celsius 3°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 5 degrees Celsius 5°C |
|
Valley
|
Valley | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 6 degrees Celsius 6°C |
| Freezing Level | Freezing Level |
1200m
|
1300m
|
1100m
|
800m
|
800m
|
900m
|
900m
|
1200m
|
Additional weather information
Meteorologist's view
Feeling rather cold on the summits despite the strong spring sunshine.
Weather
Cloudy through the early hours with outbreaks of mainly light rain, these clearing towards dawn. Any lingering overnight rain soon clearing to leave a bright day with long spells of sunshine developing. Cloud increases again through the evening, with a little rain possible towards midnight.
Chance of cloud-free hill tops
Around 75% at dawn and again from late evening, but close to 100% through much of the day
Low cloud and visibility
Occasional cloud above about 600-750m at first and again in the late evening, but little or no cloud expected below the summits through much of the day. Away from cloud visibility very good or excellent with good panoramic views of surrounding hills, but falling to several kilometres at times in rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Cloudy with outbreaks of mainly light rain overnight clearing soon after dawn with sunny spells and, especially for the afternoon, scattered blustery showers developing. The showers expected to become heavier and more frequent through the evening.
Chance of cloud-free hill tops
Around 40% at first becoming around 90% by late morning, falling again in the evening.
Maximum wind speed expected
Westerly 15-20mph becoming northwesterly 20-25mph for the afternoon, with gusts around 40mph near showers and over ridges and summits.
Temperature
- At 700m Around plus 3 Celsius rising to plus 7 Celsius, falling to plus 4 Celsius later
- Valley Around plus 6 Celsius at dawn rising to plus 12 or 13 Celsius by day
- Freezing level Above the summits.
Low cloud and visibility
Periods of cloud above 600-750m at first becoming just small amounts below summit level by late morning, but occasional cloud above 600-750m expected through the evening. Away from cloud visibility very good or excellent falling to several kilometres in rain and showers.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Wed 13 May
Sunny spells and occasionally heavy showers, with a risk of hail and thunder. Strong westerly then northwesterly winds, risk of summit gales. Freezing level above summits.
Thu 14 May
Sunny spells and occasionally heavy showers, these dying out for the afternoon with more in the way of sunshine expected. Strong northerly or northwesterly winds easing. Freezing level above summits.
Fri 15 May
Bright start but generally rather cloudy with patchy rain and drizzle. Mainly light northwesterly winds backing more southwesterly, freshening later. Freezing level just above the summits and rising.
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.