Mountain weather
Mourne Mountains
Confidence
Lower confidence for cloud detail and rainfall amounts on Sunday across the area. High confidence for unsettled conditions throughout the forecast with some showery conditions by mid week. Keep up to date with the latest forecasts.
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This eveningSunrise:Sunset:
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Sun 16 AugSunrise:Sunset:
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Mon 17 AugSunrise:Sunset:
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Further outlook
This evening forecast
Turning cloudy through the evening with occasional drizzle or light rain, light westerly 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
Cloudy and wet at times during the morning, drier in the afternoon, light winds.
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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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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 |
50%
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60%
|
40%
|
30%
|
30%
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30%
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20%
|
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
|
600m | NW 9mph knots
NW
9mph |
NW 9mph knots
NW
9mph |
W 9mph knots
W
9mph |
SW 8mph knots
SW
8mph |
SW 12mph knots
SW
12mph |
SW 14mph knots
SW
14mph |
S 14mph knots
S
14mph |
SW 15mph knots
SW
15mph |
|
300m
|
300m | NW 4mph knots
NW
4mph |
NW 4mph knots
NW
4mph |
W 2mph knots
W
2mph |
SW 6mph knots
SW
6mph |
SW 9mph knots
SW
9mph |
SW 9mph knots
SW
9mph |
SW 8mph knots
SW
8mph |
SW 6mph knots
SW
6mph |
|
Valley
|
Valley | NW 4mph knots
NW
4mph |
NW 3mph knots
NW
3mph |
NW 1mph knots
NW
1mph |
SW 5mph knots
SW
5mph |
SW 8mph knots
SW
8mph |
S 7mph knots
S
7mph |
S 6mph knots
S
6mph |
S 4mph knots
S
4mph |
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 | 13mph | 12mph | 13mph | 11mph | 16mph | 18mph | 19mph | 20mph |
|
300m
|
300m | 9mph | 7mph | 6mph | 8mph | 13mph | 14mph | 13mph | 12mph |
|
Valley
|
Valley | 9mph | 7mph | 5mph | 8mph | 13mph | 13mph | 12mph | 9mph |
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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 | 10 degrees Celsius 10°C | 10 degrees Celsius 10°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 | 13 degrees Celsius 13°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C |
|
Valley
|
Valley | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
2700m
|
3200m
|
3200m
|
3200m
|
3200m
|
3100m
|
3000m
|
2800m
|
|
Time
|
Time |
00:00
|
03:00
|
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
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C |
|
Valley
|
Valley | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
2700m
|
3200m
|
3200m
|
3200m
|
3200m
|
3100m
|
3000m
|
2800m
|
Additional weather information
Meteorologist's view
The best chance of brightness in the afternoon.
Weather
Cloudy with outbreaks of rain and drizzle in the early morning. A cloudy start to the day with rain and drizzle during the morning, areas of low cloud will be persistent at times especially in the west with only gentle winds. The best chance of drier and brighter conditions in the afternoon. Mist and fog forming readily in the evening.
Chance of cloud-free hill tops
20% due to rain and drizzle, perhaps improving to 40% for a time in the afternoon.
Low cloud and visibility
A cloudy day in general with persistent low cloud affecting with bases above 300m for much of the day with poor visibility at times in light rain. Chance of cloud lifting and breaking for a time in the afternoon. Visibility will be moderate for most of the day but often falling poor or less than a couple of kilometres in light rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Overnight rain will clear in the early morning. A mostly dry day with some brighter conditions, rain to the east may push some cloud over the area but a good chance of a useable day. Risk of some heavier showers, possibly some thunder, in the evening
Chance of cloud-free hill tops
40%, improving to 70% in the afternoon.
Maximum wind speed expected
Southerly 15-20mph
Temperature
- At 700m Plus 11 Celsius
- Valley Plus 12 rising to Plus 17 Celsius.
- Freezing level Above all summits.
Low cloud and visibility
Broken or overcast low cloud layers above 300m in the early morning will lift and clear becoming scattered cloud around 600m in the afternoon. Visibility will generally be good.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Tue 18 Aug
Early mist and low cloud will be slow to clear and it will remain cloudy but with the chance of some brighter conditions later. Fresh northwesterly winds.
Wed 19 Aug
Bright or sunny spells but turning into a showery afternoon with some heavy or possibly thundery showers in the west later, fresh winds.
Thu 20 Aug
Showery with some bright weather, winds turning northerly but mostly light. Feeling cooler than lately.
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.