Mountain weather
Mourne Mountains
Confidence
High for changeable conditions, medium for timing of changes
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This eveningSunrise:Sunset:
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Fri 4 SepSunrise:Sunset:
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Sat 5 SepSunrise:Sunset:
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Further outlook
This evening forecast
Cloudy with persistent rain, heavy at first, with fresh to strong southwesterly winds. Hill fog. The rain clearing late evening.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Gales
Strong Sunlight
Severe Chill Effect
Poor Visibility
Mountain weather forecast
A bright day with sunshine and a few showers, strong to gale westerly 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 600m)
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Weather symbols | ||||||||
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Chance of
precipitation (at 600m)
|
Chance of precipitation |
10%
|
10%
|
10%
|
20%
|
40%
|
30%
|
30%
|
20%
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Wind direction and speed
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Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | W 24mph knots
W
24mph |
W 30mph knots
W
30mph |
W 36mph knots
W
36mph |
W 37mph knots
W
37mph |
W 33mph knots
W
33mph |
W 33mph knots
W
33mph |
W 31mph knots
W
31mph |
W 28mph knots
W
28mph |
|
300m
|
300m | SW 9mph knots
SW
9mph |
W 14mph knots
W
14mph |
W 17mph knots
W
17mph |
W 21mph knots
W
21mph |
W 20mph knots
W
20mph |
W 19mph knots
W
19mph |
W 16mph knots
W
16mph |
W 14mph knots
W
14mph |
|
Valley
|
Valley | W 9mph knots
W
9mph |
W 12mph knots
W
12mph |
W 13mph knots
W
13mph |
W 17mph knots
W
17mph |
W 17mph knots
W
17mph |
W 16mph knots
W
16mph |
W 13mph knots
W
13mph |
W 10mph knots
W
10mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
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09:00
|
12:00
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15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 35mph | 42mph | 50mph | 51mph | 47mph | 47mph | 43mph | 39mph |
|
300m
|
300m | 20mph | 27mph | 32mph | 37mph | 34mph | 34mph | 30mph | 26mph |
|
Valley
|
Valley | 23mph | 27mph | 30mph | 35mph | 33mph | 32mph | 28mph | 24mph |
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 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 | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 13 degrees Celsius 13°C | 11 degrees Celsius 11°C |
|
Valley
|
Valley | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C | 12 degrees Celsius 12°C |
| Freezing Level | Freezing Level |
2600m
|
1800m
|
1800m
|
2000m
|
2100m
|
2000m
|
2000m
|
1900m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 4 degrees Celsius 4°C |
|
300m
|
300m | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C |
|
Valley
|
Valley | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 10 degrees Celsius 10°C |
| Freezing Level | Freezing Level |
2600m
|
1800m
|
1800m
|
2000m
|
2100m
|
2000m
|
2000m
|
1900m
|
Additional weather information
Meteorologist's view
Note the low feels like temperature on the tops due to the gale force winds.
Weather
Cloudy in the early hours, the cloud breaking by dawn. A bright day with some sunny intervals - dry to start with then a few passing showers in the afternoon and evening, perhaps the odd heavy one
Chance of cloud-free hill tops
10% early hours rising 80% by dawn then 90% or more during the day.
Low cloud and visibility
Extensive cloud 450-600m early hours but lifting and breaking before dawn. By day no low cloud, and mostly good visibility with only brief deteriorations as any showers pass through.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
A mainly dry day with some sunny spells, but turning cloudier later in the afternoon with outbreaks of rain developing, perhaps heavy.
Chance of cloud-free hill tops
More than 90% for most of day but falling 20% towards the end of the afternoon.
Maximum wind speed expected
Westerly 15 gusts 25mph becoming southerly later and freshening 25 gusts 35mph.
Temperature
- At 700m Plus 7 rising to 9 Celsius
- Valley Plus 10 Celsius rising to 17 Celsius
- Freezing level Above the summits
Low cloud and visibility
For most of day, no low cloud and good visibility, then from late afternoon, cloud lowering to 500-600m bringing hill fog and some poorer visibility in rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sun 6 Sep
Rather cloudy, probably dry until some point in the afternoon when a band of rain will cross from the west, with uncertain timings. Strong southerly winds.
Mon 7 Sep
A mainly dry bright morning before showers start to develop in the afternoon, some heavy, with strengthening southwesterly winds.
Tue 8 Sep
Windy with sunny intervals and showers.
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.