Mountain weather
Mourne Mountains
Confidence
High confidence on the general themes. Some uncertainty on detail for the weekend, however any rain or showers will be mainly light and patchy.
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This eveningSunrise:Sunset:
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Fri 14 AugSunrise:Sunset:
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Sat 15 AugSunrise:Sunset:
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Further outlook
This evening forecast
Patchy hill fog developing with a risk of showers, potentially heavy and thundery.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Strong Sunlight
Poor Visibility
Thunderstorms
Mountain weather forecast
Heavy and thundery rain clears at first, then drier and brighter.
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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%
|
30%
|
30%
|
30%
|
20%
|
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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|---|---|---|---|---|---|---|---|---|---|
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600m
|
600m | W 10mph knots
W
10mph |
W 20mph knots
W
20mph |
NW 18mph knots
NW
18mph |
NW 20mph knots
NW
20mph |
NW 16mph knots
NW
16mph |
NW 15mph knots
NW
15mph |
NW 16mph knots
NW
16mph |
NW 16mph knots
NW
16mph |
|
300m
|
300m | W 5mph knots
W
5mph |
W 7mph knots
W
7mph |
NW 10mph knots
NW
10mph |
NW 14mph knots
NW
14mph |
NW 10mph knots
NW
10mph |
NW 10mph knots
NW
10mph |
NW 10mph knots
NW
10mph |
NW 7mph knots
NW
7mph |
|
Valley
|
Valley | W 4mph knots
W
4mph |
W 7mph knots
W
7mph |
NW 10mph knots
NW
10mph |
NW 13mph knots
NW
13mph |
NW 10mph knots
NW
10mph |
NW 9mph knots
NW
9mph |
NW 9mph knots
NW
9mph |
NW 6mph knots
NW
6mph |
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
|
600m | 15mph | 28mph | 25mph | 27mph | 22mph | 21mph | 23mph | 22mph |
|
300m
|
300m | 9mph | 16mph | 18mph | 22mph | 17mph | 17mph | 17mph | 14mph |
|
Valley
|
Valley | 9mph | 17mph | 19mph | 23mph | 17mph | 16mph | 17mph | 13mph |
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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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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 18 degrees Celsius 18°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C |
|
300m
|
300m | 19 degrees Celsius 19°C | 18 degrees Celsius 18°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 18 degrees Celsius 18°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C |
|
Valley
|
Valley | 20 degrees Celsius 20°C | 19 degrees Celsius 19°C | 17 degrees Celsius 17°C | 18 degrees Celsius 18°C | 19 degrees Celsius 19°C | 19 degrees Celsius 19°C | 17 degrees Celsius 17°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
3400m
|
3100m
|
2900m
|
2700m
|
2400m
|
2700m
|
2500m
|
2500m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 17 degrees Celsius 17°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
300m
|
300m | 19 degrees Celsius 19°C | 18 degrees Celsius 18°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
|
Valley
|
Valley | 21 degrees Celsius 21°C | 19 degrees Celsius 19°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 18 degrees Celsius 18°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
3400m
|
3100m
|
2900m
|
2700m
|
2400m
|
2700m
|
2500m
|
2500m
|
Additional weather information
Meteorologist's view
Some uncertainty regarding extent and clearance of showers on Friday morning. Best of the conditions will be in the afternoon.
Weather
Heavy and occasionally thundery outbreaks of rain will clear first thing in the morning. Then a bright and mainly dry day with just the odd drizzly shower between some sunny spells.
Chance of cloud-free hill tops
20% early morning increasing to 80%
Low cloud and visibility
Extensive cloud bases around 400-500m overnight, lifting above tops by day with the best of the breaks in the low cloud in the afternoon before bases lower again later. Visibility generally good below cloud bases.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Any early patches of hill fog soon clearing to leave a dry and bright day with some sunny spells.
Chance of cloud-free hill tops
40% rising to 90%
Maximum wind speed expected
Gusting up to 20mph on summits and ridges.
Temperature
- At 700m Plus 9 rising 13 Celsius.
- Valley Plus 10 rising 18 Celsius.
- Freezing level Above summits.
Low cloud and visibility
Patches of low cloud with bases 600-800m at first, these soon breaking up and lifting above tops by afternoon.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sun 16 Aug
Mainly dry with variable cloud amounts. Settled with light winds.
Mon 17 Aug
Dry and bright for much of the day. Strengthening winds on tops later ahead of rain arriving overnight.
Tue 18 Aug
Rather cloudy and windy with the risk of rain at times.
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.