Cac Carn Beag (Lochnagar) weather
The forecast for the summit of Cac Càrn Beag, at 3,792 ft (1,156 m), not the glen below. Wind, wind chill, cloud, rain and snow, hour by hour and for the next 10 days, with a weekly outlook for the month after.
On the summit
Forecast fetched Sunday 1 November, 20:11.
Now on the summit
31°F (0°C)
Fair. Feels like 25°F (−4°C) in the wind
- Wind
- 7 mph from the northwest
- Cloud cover
- 20%
- Rain or snow, next hour
- None
- Freezing level, rough
- 3,642 ft (1,110 m), below the summit
- Sunrise, sunset
- 07:22, 16:30
Cac Carn Beag (Lochnagar): next 10 days
| Day | Weather | High, low | Wind up to | Rain or snow |
|---|---|---|---|---|
| Today | Fog | 31°F, 30°F | 8 mph | Dry |
| Mon 2 Nov | Cloudy | 40°F, 25°F | 8 mph | Dry |
| Tue 3 Nov | Cloudy | 39°F, 32°F | 4 mph | Dry |
| Wed 4 Nov | Partly cloudy | 38°F, 30°F | 4 mph | Dry |
| Thu 5 Nov | Cloudy | 35°F, 26°F | 4 mph | 0.1 mm |
| Fri 6 Nov | Light sleet | 34°F, 31°F | 2 mph | 0.9 mm |
| Sat 7 Nov | Partly cloudy | 35°F, 27°F | 4 mph | 0.3 mm |
| Sun 8 Nov | Cloudy | 37°F, 24°F | 9 mph | Dry |
| Mon 9 Nov | Partly cloudy | 38°F, 35°F | 12 mph | 0.6 mm |
| Tue 10 Nov | Partly cloudy | 34°F, 29°F | 12 mph | 0.1 mm |
The next 12 hours
| Time | Weather | Temperature | Wind | Rain or snow |
|---|---|---|---|---|
| 21:00 | Fair | 31°F | 8 mph from the northwest | 0 |
| 22:00 | Clear sky | 31°F | 8 mph from the northwest | 0 |
| 23:00 | Clear sky | 30°F | 8 mph from the northwest | 0 |
| 00:00 | Clear sky | 29°F | 7 mph from the northwest | 0 |
| 01:00 | Clear sky | 28°F | 6 mph from the northwest | 0 |
| 02:00 | Fog | 26°F | 5 mph from the west | 0 |
| 03:00 | Fog | 26°F | 6 mph from the southwest | 0 |
| 04:00 | Fog | 25°F | 5 mph from the southwest | 0 |
| 05:00 | Fog | 26°F | 5 mph from the southwest | 0 |
| 06:00 | Fog | 25°F | 5 mph from the southwest | 0 |
| 07:00 | Fog | 27°F | 6 mph from the southwest | 0 |
| 08:00 | Fog | 28°F | 6 mph from the southwest | 0 |
The month ahead
A broad outlook for the hills around Cac Carn Beag (Lochnagar), at about 3,320 ft (1,012 m). Beyond ten days a forecast can only show the trend for a region, not the weather on a given day, so use it to pick a week, then check the daily forecast nearer the time.
| Week of | On the tops, typically | Temperature | Rain or snow |
|---|---|---|---|
| 9 Nov | 32°F | About normal | About normal |
| 16 Nov | 32°F | A little milder than normal (+2°F) | About normal |
| 23 Nov | 30°F | A little milder than normal (+1°F) | About normal |
| 30 Nov | 28°F | About normal | About normal |
| 7 Dec | 28°F | About normal | About normal |
Outlook from ECMWF's extended-range forecast (EC46) through Open-Meteo (CC BY 4.0), updated daily. "Normal" means the usual for that week of the year. Typical temperature is the week's average at that height, day and night.
Before you go
- Mountain forecast for the Southeastern Highlands from the Mountain Weather Information Service, written by forecasters
- Avalanche report from the Scottish Avalanche Information Service, in winter
- Cac Carn Beag (Lochnagar): getting there, the name and the hill
- The route up Cac Carn Beag (Lochnagar) in 3D, about 5.4 miles one way
A guide only. Mountain conditions change fast: carry a map and compass and know how to use them, and read the mountain forecast for the Southeastern Highlands before you go.
Forecast data from MET Norway (CC BY 4.0), at the summit's height. Wind chill, freezing level and sunrise and sunset worked out by this site. Computer model output for one point, not a forecast written for mountains.