38% chance of a view, in cloud all day.
The summit sits about 445 m inside the layer.
Forecast for Friday 16 October, built 2026-10-16 16:22 UTC and rebuilt twice a day. A high number is close to reliable, a low one is barely better than a shrug: how reliable is this?
Fri 16 Oct
38%
in cloud all day
Sat 17 Oct
73%
in and out of it all day
Sun 18 Oct
91%
clear of the cloud
The hill
- Lists
- Hewitt, Nuttall
- Height
- 925 m (33 m of drop)
- Area
- The Carneddau
- County
- Gwynedd, Wales
- Grid ref
- SH686669
- OS Landranger
- 115
- Summit
- rock outcrop
Sun
- Sunrise
- 06:44 ESE
- Sunset
- 17:18 WSW
- Daylight
- 10.56 hours
About Garnedd Uchaf
Carnedd Gwenllian, previously known as Carnedd Uchaf until 2009, is a minor summit of the Carneddau range in Snowdonia, Wales, and included in the Welsh 3000s. From the summit, distant views to the north can extend as far as Ireland and the Isle of Man, and to the South as far as the Berwyn Ranges.
From Wikipedia, CC BY-SA 4.0
Hour by hour, Friday 16 October
| Hour | View | Cloud base | Temp | Wind |
|---|---|---|---|---|
| 06:00 | 22% | 380 m | 3.2° | 24 WNW |
| 08:00 | 22% | 392 m | 2.8° | 24 WNW |
| 10:00 | 23% | 405 m | 3.6° | 24 WNW |
| 12:00 | 35% | 480 m | 3.3° | 24 WNW |
| 14:00 | 44% | 603 m | 3.3° | 25 NW |
| 16:00 | 29% | 482 m | 3.0° | 27 WNW |
| 18:00 | 31% | 471 m | 3.1° | 29 NW |
| 20:00 | 29% | 507 m | 3.7° | 26 NNW |
Nearby
Foel Grach · Foel-fras · Yr Elen · Llwytmor · Drosgl · Carnedd Llewelyn
All Snowdonia hills for Friday 16 October · The week ahead · How to read this