Mountain weather
Mourne Mountains
Confidence
High for mainly dry and very warm conditions, lower for any thundery breakdown later Friday or Saturday, and extent of cloud on Sunday.
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This eveningSunrise:Sunset:
-
Wed 8 JulSunrise:Sunset:
-
Thu 9 JulSunrise:Sunset:
-
Further outlook
This evening forecast
Dry through the evening with some sunny then clear spells, but also some areas of cloud down to around summit height and therefore visibilities falling temporarily moderate or poor in hill fog. Westerly winds may reach 15-25mph at times.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Strong Sunlight
Poor Visibility
Mountain weather forecast
Dry and warm. Quite cloudy morning. Sunny afternoon. Light 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)
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Weather symbols | ||||||||
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Chance of
precipitation (at 800m)
|
Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
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<5%
|
<5%
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Wind direction and speed
|
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
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21:00
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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | NW 18mph knots
NW
18mph |
NW 9mph knots
NW
9mph |
NW 7mph knots
NW
7mph |
W 5mph knots
W
5mph |
S 7mph knots
S
7mph |
SW 9mph knots
SW
9mph |
SW 10mph knots
SW
10mph |
SW 9mph knots
SW
9mph |
|
300m
|
300m | NW 11mph knots
NW
11mph |
NW 7mph knots
NW
7mph |
NW 6mph knots
NW
6mph |
SW 4mph knots
SW
4mph |
S 7mph knots
S
7mph |
SW 7mph knots
SW
7mph |
SW 6mph knots
SW
6mph |
W 4mph knots
W
4mph |
|
Valley
|
Valley | NW 10mph knots
NW
10mph |
NW 7mph knots
NW
7mph |
NW 6mph knots
NW
6mph |
SW 3mph knots
SW
3mph |
S 7mph knots
S
7mph |
S 7mph knots
S
7mph |
SW 5mph knots
SW
5mph |
SW 3mph knots
SW
3mph |
Wind gust
|
Time
|
Time |
00:00
|
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 | 27mph | 14mph | 9mph | 7mph | 11mph | 13mph | 13mph | 13mph |
|
300m
|
300m | 20mph | 12mph | 9mph | 6mph | 10mph | 11mph | 9mph | 8mph |
|
Valley
|
Valley | 20mph | 12mph | 9mph | 6mph | 11mph | 12mph | 8mph | 7mph |
|
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
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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 14 degrees Celsius 14°C |
|
300m
|
300m | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 18 degrees Celsius 18°C | 19 degrees Celsius 19°C | 18 degrees Celsius 18°C | 15 degrees Celsius 15°C |
|
Valley
|
Valley | 15 degrees Celsius 15°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 17 degrees Celsius 17°C | 20 degrees Celsius 20°C | 20 degrees Celsius 20°C | 18 degrees Celsius 18°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
3900m
|
3800m
|
3800m
|
3600m
|
3500m
|
3300m
|
3200m
|
3000m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C | 13 degrees Celsius 13°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 16 degrees Celsius 16°C | 18 degrees Celsius 18°C | 18 degrees Celsius 18°C | 18 degrees Celsius 18°C | 15 degrees Celsius 15°C |
|
Valley
|
Valley | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 18 degrees Celsius 18°C | 19 degrees Celsius 19°C | 19 degrees Celsius 19°C | 18 degrees Celsius 18°C | 16 degrees Celsius 16°C |
| Freezing Level | Freezing Level |
3900m
|
3800m
|
3800m
|
3600m
|
3500m
|
3300m
|
3200m
|
3000m
|
Additional weather information
Meteorologist's view
Low cloud in the morning may hinder navigation. Increasingly warm through the day with high UV levels so it will be important to stay hydrated and bring suitable protection from the sun.
Weather
Dry but rather cloudy in the morning. Sunshine increasingly breaking through from late morning in the afternoon. Becoming very warm. Light winds.
Chance of cloud-free hill tops
20% or less in morning. Rising to 90% or higher by midday.
Low cloud and visibility
Quite widespread areas of cloud down to 300-400m or so in the morning with visibilities poor in hill fog, but the highest summits may peek out above the cloud layer. This cloud gradually breaking up through the morning to leave clear summits and good visibilities.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Very warm with prolonged bright or sunny spells with high UV levels. Areas of cloud will turn sunshine hazy at times, but staying above summit levels. Light winds. Some low-level mist or fog in the early morning.
Chance of cloud-free hill tops
90% or higher.
Maximum wind speed expected
West to southwest 10-20mph.
Temperature
- At 700m Plus 13C rising to plus 18C by day.
- Valley Plus 13C rising to plus 24C by day.
- Freezing level Well above summits.
Low cloud and visibility
Some mist or fog forming in valleys overnight but summits remaining clear. This clearing by mid-morning to leave good visibilities and clear summits.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Fri 10 Jul
Very warm again and mostly dry with prolonged bright or sunny spells. Small chance of some thundery showers later. Light southwest veering east to northeast winds.
Sat 11 Jul
Warm again and mostly dry with bright or sunny spells, small chance of some thundery showers in the morning. Light easterly winds.
Sun 12 Jul
Variable cloud and sunny spells, the best of these most likely in the west. Light easterly winds. Warm again but perhaps down a touch compared to Friday and Saturday.
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.