Mountain weather
Mourne Mountains
Confidence
Unsettled conditions continuing towards the weekend with periods of showers and strong winds at times. Uncertainties in cloud and ran on Friday.
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This eveningSunrise:Sunset:
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Thu 17 SepSunrise:Sunset:
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Fri 18 SepSunrise:Sunset:
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Further outlook
This evening forecast
Cloudy with some patchy drizzle, heavier rain spreading in during the evening, fresh westerly winds will make it feel quite chilly
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
Mostly dry at first with sunny spells, blustery showers at times during the afternoon, fresh or strong 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 |
20%
|
20%
|
20%
|
30%
|
50%
|
70%
|
40%
|
30%
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Wind direction and speed
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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 | W 33mph knots
W
33mph |
W 33mph knots
W
33mph |
W 34mph knots
W
34mph |
W 31mph knots
W
31mph |
W 31mph knots
W
31mph |
W 32mph knots
W
32mph |
W 29mph knots
W
29mph |
W 30mph knots
W
30mph |
|
300m
|
300m | W 15mph knots
W
15mph |
W 16mph knots
W
16mph |
W 16mph knots
W
16mph |
W 18mph knots
W
18mph |
W 18mph knots
W
18mph |
W 19mph knots
W
19mph |
W 17mph knots
W
17mph |
W 15mph knots
W
15mph |
|
Valley
|
Valley | W 13mph knots
W
13mph |
W 13mph knots
W
13mph |
W 12mph knots
W
12mph |
W 15mph knots
W
15mph |
W 15mph knots
W
15mph |
W 16mph knots
W
16mph |
W 13mph knots
W
13mph |
W 12mph knots
W
12mph |
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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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 45mph | 46mph | 47mph | 44mph | 44mph | 45mph | 41mph | 41mph |
|
300m
|
300m | 29mph | 29mph | 29mph | 30mph | 31mph | 32mph | 29mph | 26mph |
|
Valley
|
Valley | 28mph | 27mph | 27mph | 29mph | 30mph | 30mph | 26mph | 24mph |
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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 | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 7 degrees Celsius 7°C |
|
300m
|
300m | 12 degrees Celsius 12°C | 10 degrees Celsius 10°C | 9 degrees Celsius 9°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C |
|
Valley
|
Valley | 13 degrees Celsius 13°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 12 degrees Celsius 12°C | 11 degrees Celsius 11°C |
| Freezing Level | Freezing Level |
2000m
|
1500m
|
1700m
|
1600m
|
1800m
|
1700m
|
1600m
|
1600m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 5 degrees Celsius 5°C | 3 degrees Celsius 3°C | 1 degrees Celsius 1°C | 2 degrees Celsius 2°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 4 degrees Celsius 4°C | 2 degrees Celsius 2°C |
|
300m
|
300m | 9 degrees Celsius 9°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 8 degrees Celsius 8°C | 6 degrees Celsius 6°C |
|
Valley
|
Valley | 11 degrees Celsius 11°C | 9 degrees Celsius 9°C | 7 degrees Celsius 7°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 10 degrees Celsius 10°C | 8 degrees Celsius 8°C |
| Freezing Level | Freezing Level |
2000m
|
1500m
|
1700m
|
1600m
|
1800m
|
1700m
|
1600m
|
1600m
|
Additional weather information
Meteorologist's view
Feeling quite cool in fresh or strong northwesterly winds, especially around showers, strong summit winds will be gusty around afternoon showers.
Weather
Clear spells overnight. A bright start to the morning with sunny spells. It will soon become cloudier with some showers breaking out but still some bright or sunny spells, quite a brisk westerly wind will move showers through quite quickly.
Chance of cloud-free hill tops
80%
Low cloud and visibility
Patchy low cloud around 700m can be expected at times during the afternoon. Visibility will be very good or excellent but will dip in afternoon showers temporarily.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Cloud thickening during the morning with some rain spreading in from the west, rain is likely to be intermittent but with a heavier spell during the morning likely. Rain clearing during the evening.
Chance of cloud-free hill tops
70% falling to 30% by late afternoon, cloud gradually lowering and thickening during the day.
Maximum wind speed expected
Southwesterly 20 with gusts 30 mph.
Temperature
- At 700m Plus 6 Celsius
- Valley Plus 9 rising to 16 Celsius
- Freezing level Above all summits
Low cloud and visibility
Initially low cloud will just be patchy above 600m but gradually during the day layers will thicken and lower and by late afternoon broken low cloud layers above 200m can be expected with little chance of clear summit or good views. Visibility will start good in the early morning but will also slowly deteriorate during the day with poor visibility expected by late afternoon in any heavy rain. Cloud will lift and clear during the evening.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Sat 19 Sep
Fresh westerly winds and quite a bright morning, a few afternoon showers are possible but good periods of sunshine too, feeling cool at times.
Sun 20 Sep
A bright or sunny day with winds easing a little and remaining mostly dry.
Mon 21 Sep
Likely to remain unsettled and cloudy with some rain likely, milder conditions.
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.