34% chance of a view, in cloud all day.
The summit sits about 563 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?
The hill
- Lists
- Hewitt, Nuttall
- Height
- 1,044 m (115 m of drop)
- Area
- The Carneddau
- County
- Conwy, Gwynedd, Wales
- Grid ref
- SH662630
- OS Landranger
- 115
- Summit
- cairn
Sun
- Sunrise
- 06:44 ESE
- Sunset
- 17:18 WSW
- Daylight
- 10.57 hours
About Carnedd Dafydd
Carnedd Dafydd is a mountain peak in the Carneddau range in Snowdonia, Wales, and is the fourth highest peak in Wales. Situated south-west of Carnedd Llewelyn and north of Pen yr Ole Wen, Carnedd Dafydd is on the main ridge of the Carneddau, and on the border between Gwynedd and Conwy. The average annual temperature of the mountain is around 3–4 °C (37–39 °F).
Hour by hour, Friday 16 October
| Hour | View | Cloud base | Temp | Wind |
|---|---|---|---|---|
| 06:00 | 16% | 382 m | 2.3° | 22 WNW |
| 08:00 | 16% | 394 m | 1.9° | 24 WNW |
| 10:00 | 17% | 406 m | 2.5° | 25 WNW |
| 12:00 | 27% | 481 m | 2.5° | 25 NW |
| 14:00 | 43% | 603 m | 2.3° | 24 NW |
| 16:00 | 20% | 462 m | 2.1° | 30 NW |
| 18:00 | 20% | 472 m | 2.4° | 29 NW |
| 20:00 | 21% | 484 m | 3.0° | 28 NNW |
Nearby
Pen yr Ole Wen · Yr Elen · Carnedd Llewelyn · Pen yr Helgi Du · Tryfan · Foel Grach
All Snowdonia hills for Friday 16 October · The week ahead · How to read this