Mountain weather
Mourne Mountains
Confidence
High confidence in unsettled conditions over the next 5 days but lower confidence in extent of thunderstorms Saturday and for rain detail from Monday onwards.
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Sat 30 MaySunrise:Sunset:
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Sun 31 MaySunrise:Sunset:
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Further outlook
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Thunderstorms
Heavy Persistent Rain
Strong Sunlight
Mountain weather forecast
A dry start but rain spreading eastwards in the morning with a risk of thunderstorms later.
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
Weather
(at 800m)
|
Weather symbols | ||||||
|
Chance of
precipitation (at 800m)
|
Chance of precipitation |
60%
|
80%
|
80%
|
60%
|
70%
|
80%
|
Wind direction and speed
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
600m
|
600m | S 15mph knots
S
15mph |
S 16mph knots
S
16mph |
S 17mph knots
S
17mph |
S 15mph knots
S
15mph |
S 18mph knots
S
18mph |
SW 19mph knots
SW
19mph |
|
300m
|
300m | SW 3mph knots
SW
3mph |
S 6mph knots
S
6mph |
S 9mph knots
S
9mph |
S 7mph knots
S
7mph |
S 7mph knots
S
7mph |
SW 8mph knots
SW
8mph |
|
Valley
|
Valley | S 1mph knots
S
1mph |
S 5mph knots
S
5mph |
S 7mph knots
S
7mph |
S 6mph knots
S
6mph |
S 6mph knots
S
6mph |
S 7mph knots
S
7mph |
Wind gust
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
600m
|
600m | 22mph | 20mph | 22mph | 20mph | 23mph | 26mph |
|
300m
|
300m | 9mph | 10mph | 14mph | 12mph | 14mph | 15mph |
|
Valley
|
Valley | 9mph | 9mph | 14mph | 12mph | 12mph | 15mph |
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
600m
|
600m | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C |
|
Valley
|
Valley | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C |
| Freezing Level | Freezing Level |
3100m
|
2800m
|
2800m
|
2700m
|
2400m
|
2500m
|
|
Time
|
Time |
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|
|
600m
|
600m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C |
|
Valley
|
Valley | 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 | 13 degrees Celsius 13°C |
| Freezing Level | Freezing Level |
3100m
|
2800m
|
2800m
|
2700m
|
2400m
|
2500m
|
Additional weather information
Meteorologist's view
Heavy downpours bring a risk of waterproofs becoming drenched. Navigation may be tricky in low cloud. Note risk of thunderstorms and heavy showers from late afternoon onwards.
Weather
Dry and largely cloudy to start but outbreaks of rain soon spreading eastwards, which may be heavy at times. From late afternoon and through the evening there will be heavy and perhaps thundery showers before turning drier towards midnight. Breezy at times on higher routes.
Chance of cloud-free hill tops
90% for the morning, dropping to 10% for the afternoon and evening.
Low cloud and visibility
Cloud above summits in the morning. Cloud bases lowering to 600-800m in the afternoon and becoming widespread with only brief breaks. Visibility good in the morning, falling to poor in cloud and rain later.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
A few showers throughout the day but plenty of long dry periods. Cloudy for most of the morning but sunny spells developing later. Moderate or fresh westerly winds.
Chance of cloud-free hill tops
20% chance in the morning, becoming >90% through the afternoon.
Maximum wind speed expected
West or southwest 20-25mph gusting 25-30mph.
Temperature
- At 700m Around 11C.
- Valley 12C rising to 16C in the afternoon.
- Freezing level Above summits.
Low cloud and visibility
Low cloud in the morning with base 500-700m. Cloud lifting above summits in the afternoon, with only very isolated cloud patches lingering around summits. Visibility generally poor in cloud and showers, good outside of cloud.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Mon 1 Jun
Cloud and rain spreading northeastwards, with heavy downpours at times. Fresh southerly winds.
Tue 2 Jun
Cloudy with some heavy outbreaks of rain. Fresh southwesterly winds.
Wed 3 Jun
Mostly cloudy with heavy showers. Fresh to strong southwesterly winds.
Mountain weather information
Mon 1 Jun
Cloud and rain spreading northeastwards, with heavy downpours at times. Fresh southerly winds.
Tue 2 Jun
Cloudy with some heavy outbreaks of rain. Fresh southwesterly winds.
Wed 3 Jun
Mostly cloudy with heavy showers. Fresh to strong southwesterly winds.
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.