36% chance of a view, in cloud all day.
The summit sits about 497 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
36%
in cloud all day
Sat 17 Oct
74%
in and out of it all day
Sun 18 Oct
94%
clear of the cloud
The hill
- Lists
- Hewitt, Nuttall
- Height
- 978 m (45 m of drop)
- Area
- The Carneddau
- County
- Conwy, Gwynedd, Wales
- Grid ref
- SH655619
- OS Landranger
- 115
- Summit
- ground 5m N of cairn
Sun
- Sunrise
- 06:44 ESE
- Sunset
- 17:18 WSW
- Daylight
- 10.57 hours
About Pen yr Ole Wen
Pen yr Ole Wen is the seventh highest mountain in Snowdonia and in Wales. It is the most southerly of the Carneddau range.
From Wikipedia, CC BY-SA 4.0
Hour by hour, Friday 16 October
| Hour | View | Cloud base | Temp | Wind |
|---|---|---|---|---|
| 06:00 | 19% | 382 m | 2.8° | 22 WNW |
| 08:00 | 20% | 394 m | 2.4° | 23 WNW |
| 10:00 | 20% | 406 m | 3.1° | 25 WNW |
| 12:00 | 30% | 481 m | 3.0° | 24 WNW |
| 14:00 | 46% | 603 m | 2.9° | 24 NW |
| 16:00 | 23% | 462 m | 2.6° | 29 NW |
| 18:00 | 24% | 472 m | 2.8° | 28 NW |
| 20:00 | 24% | 484 m | 3.4° | 26 NNW |
Nearby
Carnedd Dafydd · Tryfan · Foel-goch · Y Garn · Carnedd y Filiast · Yr Elen
All Snowdonia hills for Friday 16 October · The week ahead · How to read this