Mourne Mountains Mountain weather forecast table
Confidence
High for changeable conditions for rest of the week, windows of drier, brighter weather, but also spells of rain and stronger winds. Confidence remains low on day to day details from Wednesday onwards.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
 Poor Visibility
Mountain weather forecast
Mainly dry. Rather cloudy. Thicker cloud may bring a little light rain in afternoon. Lighter winds.
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 
|---|---|---|---|---|---|---|
Weather (at 700m)  | 
 | 
 | 
 | 
 | 
 | 
 | 
Chance of precipitation (at 700m)  | 
30% | 20% | 40% | 20% | 50% | 70% | 
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 
|---|---|---|---|---|---|---|
| 600m | 
 SW
 25 
 | 
 S
 22 
 | 
 S
 23 
 | 
 S
 22 
 | 
 S
 16 
 | 
 S
 17 
 | 
| 300m | 
 SW
 11 
 | 
 S
 10 
 | 
 S
 12 
 | 
 S
 11 
 | 
 S
 8 
 | 
 S
 8 
 | 
| Valley | 
 SW
 7 
 | 
 S
 7 
 | 
 S
 9 
 | 
 S
 9 
 | 
 S
 5 
 | 
 S
 6 
 | 
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 
|---|---|---|---|---|---|---|
| 600m | 33 | 28 | 30 | 29 | 22 | 22 | 
| 300m | 20 | 17 | 20 | 20 | 14 | 14 | 
| Valley | 18 | 16 | 19 | 19 | 12 | 13 | 
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 
|---|---|---|---|---|---|---|
| 600m | 
 8° 
 | 
 9° 
 | 
 10° 
 | 
 10° 
 | 
 10° 
 | 
 10° 
 | 
| 300m | 
 10° 
 | 
 11° 
 | 
 12° 
 | 
 12° 
 | 
 11° 
 | 
 11° 
 | 
| Valley | 
 11° 
 | 
 12° 
 | 
 13° 
 | 
 13° 
 | 
 12° 
 | 
 12° 
 | 
| Freezing Level | 
 2,100m 
 | 
 2,200m 
 | 
 2,400m 
 | 
 2,400m 
 | 
 2,400m 
 | 
 2,400m 
 | 
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 
|---|---|---|---|---|---|---|
| 600m | 
 4° 
 | 
 5° 
 | 
 6° 
 | 
 7° 
 | 
 7° 
 | 
 7° 
 | 
| 300m | 
 8° 
 | 
 9° 
 | 
 10° 
 | 
 10° 
 | 
 10° 
 | 
 10° 
 | 
| Valley | 
 10° 
 | 
 10° 
 | 
 11° 
 | 
 11° 
 | 
 11° 
 | 
 11° 
 | 
Additional weather information
Meteorologist's view
Nothing to add.
Weather
Mainly dry morning with some bright spells. Thicker cloud for a time in the middle of the day, and again in evening with a little light rain at times.
Chance of cloud-free hill tops
70% falling to 40% during afternoon.
Low cloud and visibility
Generally good visibility. Occasional cloud cover in the morning above about 800m. Clouds becoming extensive during afternoon, bases lowering to 700m with patches forming lower down.
Mountain weather information
Weather
A cloudy day with occasional rain and drizzle with extensive fog at height.
Chance of cloud-free hill tops
Little chance.
Maximum wind speed expected
Light winds in the morning then strengthening southeast winds during afternoon, average speeds 10mph increasing 20mph with gusts 35mph on the tops by evening.
Temperature
- At 700m Plus 9 Celsius.
 - Valley 10 Celsius rising to 14 Celsius.
 - Freezing level Staying above the summits.
 
Low cloud and visibility
Misty with poor visibility in rain and drizzle. Extensive cloud cover above about 400 to 500m with some banks of cloud lower down, especially more eastern hills.
Mountain weather information
Thu 6 Nov
Cloudy but mostly dry start, then outbreaks of rain. Drier again in evening. Strong southerly winds.
Fri 7 Nov
Dry start, rain through middle of the day. Drier again in evening. Strong southwest winds, summit gales.
Sat 8 Nov
Drier, brighter day with sunny spells, variable cloud, and a few showers. Strong southwest winds.
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.