58% chance of a view, in and out of it all day.
The summit sits about 181 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
58%
in and out of it all day
Sat 17 Oct
91%
clear of the cloud
Sun 18 Oct
94%
clear of the cloud
The hill
- Lists
- Hewitt, Nuttall
- Height
- 821 m (76 m of drop)
- Area
- The Glyders
- County
- Gwynedd, Wales
- Grid ref
- SH620627
- OS Landranger
- 115
- Summit
- small cairn
Sun
- Sunrise
- 06:44 ESE
- Sunset
- 17:18 WSW
- Daylight
- 10.57 hours
About Carnedd y Filiast
Carnedd y Filiast is a mountain in Snowdonia, Wales, forming part of the Glyderau. It, along with its top Y Fronllwyd, forms the most northerly summit in the Glyderau. The average annual temperature on Carnedd y Filiast is estimated to be around 4 Celsius.
From Wikipedia, CC BY-SA 4.0
Hour by hour, Friday 16 October
| Hour | View | Cloud base | Temp | Wind |
|---|---|---|---|---|
| 06:00 | 44% | 405 m | 3.9° | 18 WNW |
| 08:00 | 41% | 483 m | 3.5° | 19 WNW |
| 10:00 | 50% | 494 m | 4.0° | 21 NW |
| 12:00 | 53% | 640 m | 4.1° | 21 NW |
| 14:00 | 68% | 871 m | 4.3° | 20 NW |
| 16:00 | 39% | 551 m | 4.2° | 19 NW |
| 18:00 | 47% | 584 m | 4.3° | 21 NW |
| 20:00 | 55% | 734 m | 4.6° | 26 N |
Nearby
Elidir Fawr · Foel-goch · Y Garn · Pen yr Ole Wen · Carnedd Dafydd · Glyder Fawr
All Snowdonia hills for Friday 16 October · The week ahead · How to read this