Mountain weather

South Grampian and Southeast Highlands

South Grampian and Southeast Highlands Mountain weather forecast table

Confidence

High confidence for turning colder with stronger winds midweek, bringing some wintry precipitation together with a significant windchill to higher summits. Turning more settled over the weekend. Lower confidence for the rainfall timings on Wednesday and Thursday.

Sunrise:
Sunset:

This evening forecast

After a few early evening showers, conditions will become dry with clear spells for a time. The wind will strengthen and cloud will begin to thicken towards midnight.

Sunrise:
Sunset:
Mountain hazards

Mountain weather hazards

Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.

hazard Gales
Gale force winds (gusts over 50mph) make walking difficult and strenuous with a potential to be blown over by gusts. There is often a marked increase in winds through cols or on exposed ridges and summits. Distances can take longer to cover and compass bearings become harder to follow accurately.
hazard Strong Sunlight
Harmful UV levels from sunlight increase with altitude giving a greater risk of sunburn and eye damage, even on some overcast days. On breezy days, the cooling effect of wind on exposed skin may disguise any feeling of sunburn until it is too late. If there is snow cover, glare increases the effect of UV rays especially on the eyes. It is advisable to wear sun block, protective clothing such as a long-sleeved top and hat and have good quality eye protection.

hazard Severe Chill Effect
Wind significantly lowers the ‘feels-like’ temperature relative to the actual temperature, with even moderate winds significantly adding to the chilling effect. Strong winds can result in a severe and debilitating wind chill many degrees below the actual temperature. This effect will be enhanced in rain or wet snow. Without protection, prolonged exposure could result in frost nip or frostbite on exposed parts of the body and/or hypothermia.
hazard Poor Visibility
Poor visibility presents challenging route finding conditions. Visibility could be significantly less than 50 metres in all directions with few or no visual references, especially on featureless moors or plateaux. Distances become hard to judge and cliff or cornice edges can be difficult to recognise. These conditions require good navigational skills. There is a risk of white-out conditions when mist or fog is combined with extensive snow cover.

Mountain weather forecast

Cold and windy with widespread rain then showers becoming drier and brighter towards evening.

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather
(at 800m)
Partly cloudy (night) Light rain Heavy rain Heavy shower (day) Light shower (day) Light shower (day) Light shower (day) Sunny intervals
Chance of precipitation
(at 800m)
30% 40% 40% 60% 60% 60% 60% 20%

Wind direction and speed (mph)
Altitude above mean sea level
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1100m SW
22
SW
35
S
39
SW
34
W
36
W
40
W
37
W
38
900m SW
16
SW
23
S
27
SW
26
W
28
W
31
W
29
W
27
600m SW
12
SW
14
S
18
SW
19
W
22
W
24
W
22
W
19
300m SW
6
SW
6
SW
12
SW
12
W
16
W
19
W
15
W
11
Glen W
4
SW
6
SW
11
SW
13
W
17
W
19
W
17
W
13
Wind gust (mph)
Altitude above mean sea level
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1100m 27 43 48 44 48 54 50 50
900m 22 31 36 35 40 46 42 39
600m 22 26 32 32 38 43 39 35
300m 15 16 25 25 33 38 32 26
Glen 12 16 24 25 34 37 34 27

Altitude above mean sea level
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1100m
900m
600m
300m
11°
13°
13°
10°
Glen
11°
14°
14°
11°
Freezing Level
1,300m
1,400m
1,600m
1,800m
1,600m
1,400m
1,200m
1,100m

Altitude above mean sea level
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
1100m
-5°
-7°
-6°
-4°
-3°
-4°
-6°
-9°
900m
-2°
-3°
-2°
-2°
-5°
600m
-1°
300m
10°
Glen
11°
10°

Additional weather information

Met Office Aberdeen meteorologist's view

Feeling chilly on the summits with southwesterly winds reaching gale force.

Weather

Overcast skies and widespread rain as a front moves east in the early morning. This rain will turn showery and heavy at times during the morning becoming blustery in strong westerly winds on the hills during the afternoon, gales likely. Showers turn to sleet on higher summits by late afternoon before dying out as clear spells develop in the evening.

Chance of cloud-free hill tops

40% increasing to 60% as low cloud associated with morning rain lifts and clears from late afternoon.

Low cloud and visibility

Broken low cloud in the morning with bases 4-500m. During the afternoon and evening cloud bases will rise above most summits with patches of low cloud around 6-700m. Moderate visibility in rain may turn poor in heavier showers. Later in the day visibility will become very good with some fine late evening conditions.

Sunrise:
Sunset:

Mountain weather information

Weather

Showers will be interspersed with sunny intervalss throughout the day. These showers will be locally heavy in the afternoon with snow on the Munro tops. Westerly gales will continue and it will feel bitterly cold.

Chance of cloud-free hill tops

60%

Maximum wind speed expected

West or southwesterly 30mph with gusts 60-70mph.

Temperature

  • At 800m Plus 2 rising to 5 Celsius in sunnier spells.
  • Glen Plus 6 rising to 12 Celsius.
  • Freezing level 1000m.

Low cloud and visibility

Broken cloud with bases around 6-700m in the morning will gradually rise above summits by the afternoon with patches of low cloud associated with showers at 7-800m. The visibility will be moderate in showers but poor in heavier falls becoming good between showers.

Mountain weather information

Fri 27 May

Sunrise:
Sunset:

Continuing blustery showers with a risk of thunder and a slight risk of hail in strong northwesterly winds. Showers ease and bright spells increase as the wind eases from Friday afternoon.

Sat 28 May

Sunrise:
Sunset:

Mainly dry with a risk of the occasional light shower in moderate northwesterly winds.

Sun 29 May

Sunrise:
Sunset:

Bright or sunny spells with occasional showers building in moderate northerly winds.

Updated at:

Summit specific forecast

Mountain summit forecast map

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This weather forecast area covers much of the southern and eastern Cairngorm National Park, the Aberdeenshire hills and Angus hills and includes the Balmoral Estate, Scottish home of the Royal Family since 1852. Lochnagar, with its magnificent northern corrie, is very popular among walkers and climbers and Mount Keen is the most easterly of all Munros (Scottish mountains over 3000 feet).

The Perthshire hills offer a rich variety of heather-clad hills and mighty pine forests. The River Tay flows 120 miles from its source to the North Sea and is the longest and largest river in Scotland. Loch Tay is a freshwater loch and at around 150 metres deep it is one of the deepest in Scotland. At 1,214 metres Ben Lawers is the highest point along the ridge near the north shore of the loch that includes seven Munros.

The Ochil Hills are a long range of steep-sided, round topped hills, stretching 25 miles from the Firth of Tay to Stirling. There are many peaks over 600 metres offering splendid views across central Scotland and to the north, with Ben Cleuch the highest at 721 metres.

For snow and avalanche hazard forecasts please visit Scottish Avalanche Information Service