Mountain weather
Mourne Mountains
Confidence
High for westerly pattern persisting bringing some more unsettled weather, but lowering confidence of timing detail of poorer conditions due to the mobile nature of the pattern.
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This eveningSunrise:Sunset:
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Wed 2 SepSunrise:Sunset:
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Thu 3 SepSunrise:Sunset:
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Further outlook
This evening forecast
Overcast with periods of occasionally heavy rain. Moderate westerly winds. Freezing level above summits.
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
Any early rain soon clearing to leave scattered showers. Light winds freshening during into evening.
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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 |
90%
|
80%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
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Wind direction and speed
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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 | SW 18mph knots
SW
18mph |
S 14mph knots
S
14mph |
SE 12mph knots
SE
12mph |
SE 12mph knots
SE
12mph |
S 10mph knots
S
10mph |
S 13mph knots
S
13mph |
SW 20mph knots
SW
20mph |
SW 23mph knots
SW
23mph |
|
300m
|
300m | SW 9mph knots
SW
9mph |
S 8mph knots
S
8mph |
SE 8mph knots
SE
8mph |
SE 8mph knots
SE
8mph |
S 8mph knots
S
8mph |
S 9mph knots
S
9mph |
SW 10mph knots
SW
10mph |
SW 11mph knots
SW
11mph |
|
Valley
|
Valley | SW 7mph knots
SW
7mph |
S 7mph knots
S
7mph |
SE 7mph knots
SE
7mph |
SE 7mph knots
SE
7mph |
S 7mph knots
S
7mph |
S 8mph knots
S
8mph |
SW 8mph knots
SW
8mph |
SW 9mph knots
SW
9mph |
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
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 24mph | 19mph | 17mph | 16mph | 15mph | 19mph | 27mph | 31mph |
|
300m
|
300m | 16mph | 13mph | 13mph | 13mph | 12mph | 15mph | 17mph | 19mph |
|
Valley
|
Valley | 14mph | 12mph | 12mph | 12mph | 11mph | 15mph | 15mph | 18mph |
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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 | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 13 degrees Celsius 13°C |
|
300m
|
300m | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C |
|
Valley
|
Valley | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 16 degrees Celsius 16°C | 17 degrees Celsius 17°C | 18 degrees Celsius 18°C | 16 degrees Celsius 16°C | 16 degrees Celsius 16°C |
| Freezing Level | Freezing Level |
2700m
|
2800m
|
3000m
|
2900m
|
3000m
|
3100m
|
3000m
|
2600m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
600m
|
600m | 8 degrees Celsius 8°C | 8 degrees Celsius 8°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 | 12 degrees Celsius 12°C | 13 degrees Celsius 13°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 | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 16 degrees Celsius 16°C | 17 degrees Celsius 17°C | 16 degrees Celsius 16°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
2700m
|
2800m
|
3000m
|
2900m
|
3000m
|
3100m
|
3000m
|
2600m
|
Additional weather information
Meteorologist's view
Hill fog bringing some difficult navigational conditions.
Weather
Rain at first, heavy for a time, bur clearing towards dawn. A rather cloudy day with some scattered showers developing. Best chance of the odd brighter spells early to mid-afternoon.
Chance of cloud-free hill tops
30% at dawn becoming 50% from noon.
Low cloud and visibility
Visibility good, falling moderate or poor in rain and showers, very poor within cloud with bases occasional from 600m.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Limited brighter spells and scattered showers for the morning. Cloud increasing for the afternoon and evening, as shower build and occasionally merge to longer periods of rain. Moderate winds
Chance of cloud-free hill tops
40% becoming 20% for the afternoon
Maximum wind speed expected
West or southwest mean 15-20mph
Temperature
- At 700m Plus 8 Celsius lifting 12 Celsius during the afternoon
- Valley Plus 11 Celsius lifting 19 Celsius during the afternoon
- Freezing level Above the summits
Low cloud and visibility
Visibility good, falling moderate or poor in rain and showers, very poor within cloud with bases becoming more extensive into the afternoon from 600m.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Fri 4 Sep
Rain early, clearing to showers, then turning mainly dry late in the day. Fresh winds. Freezing level above summits.
Sat 5 Sep
Fair at first, then rain reaching from the south late in the day, occasionally turning heavy. Light winds.
Sun 6 Sep
Periods of rain at first, heavy at times, turning settled later in the day. Winds occasionally strengthening. Freezing level above summits.
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.