Mourne Mountains Mountain weather forecast table
Confidence
High confidence for the arrival of rain on Thursday. High confidence in general unsettled weather, but low confidence in the timings of spells of prolonged rain and strength of winds over the weekend.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Severe Chill Effect
Poor Visibility
Heavy Persistent Rain
Strong Sunlight
Mountain weather forecast
A fine and dry start, with rain moving in from the west through the afternoon. Breezy.
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
Weather (at 700m) |
|
|
|
|
|
|
Chance of precipitation (at 700m) |
00% | 00% | <05% | 60% | 90% | 90% |
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m |
NW
4
|
S
9
|
SW
16
|
S
20
|
S
28
|
S
34
|
| 300m |
N
4
|
SW
6
|
SW
11
|
S
13
|
S
14
|
S
18
|
| Valley |
NW
4
|
S
5
|
SW
10
|
S
12
|
S
12
|
S
16
|
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m | 5 | 11 | 21 | 27 | 38 | 46 |
| 300m | 5 | 8 | 16 | 21 | 25 | 32 |
| Valley | 5 | 8 | 15 | 21 | 24 | 31 |
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m |
1°
|
1°
|
3°
|
3°
|
3°
|
3°
|
| 300m |
2°
|
4°
|
6°
|
6°
|
6°
|
6°
|
| Valley |
3°
|
6°
|
8°
|
7°
|
7°
|
7°
|
| Freezing Level |
500m
|
600m
|
800m
|
900m
|
1,100m
|
1,200m
|
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m |
-1°
|
-2°
|
-2°
|
-3°
|
-4°
|
-4°
|
| 300m |
0°
|
2°
|
3°
|
2°
|
2°
|
1°
|
| Valley |
1°
|
4°
|
5°
|
4°
|
4°
|
3°
|
Additional weather information
Meteorologist's view
A good start to the day, though the arrival of rain and low cloud later will make navigation difficult.
Weather
Dry with sunny spells. Rain arriving from the west through the afternoon. Winds strengthening later.
Chance of cloud-free hill tops
100% reducing through the afternoon, becoming 10% later.
Low cloud and visibility
Excellent visibility during morning and early afternoon with any cloud above summits. Low cloud arriving through the afternoon, with bases down to summit level, then down to 400 or 500m in the evening. Outside of low cloud, visibility becoming poor at times in rain through the afternoon and evening.
Mountain weather information
Weather
Cloudy with scattered showers throughout the day. Light westerlies strengthening into the afternoon.
Chance of cloud-free hill tops
30% during the morning, becoming 80-90% through the afternoon.
Maximum wind speed expected
Westerly 30-40 mph.
Temperature
- At 700m Plus 3C
- Valley Plus 6C rising to 9C
- Freezing level Above summits.
Low cloud and visibility
Scattered cloud with bases 600-800m at first, this clears eastwards. Then good visibility but cloud lowering in showers down to 500m.
Mountain weather information
Sat 4 Apr
Long spells of rain, at times heavy, and scattered showers. Light becoming gale-force southerly winds through the afternoon. Freezing level 500m at first, rising to above summits.
Sun 5 Apr
Scattered showers, wintry above 400m, easing later. Gale-force westerlies easing, though gusty in showers. Freezing level 600-800m.
Mon 6 Apr
Fine and dry to start, with rain arriving through the evening. Generally light southerlies. Freezing level 800m, rising to above summits.
Summit specific forecast
Mountain summit forecast map
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.