– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 pm Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 16mm), heaviest on Thu night. Very mild (max 10°C on Thu afternoon, min 3°C on Sat night). Winds decreasing (fresh winds from the NW on Fri morning, light winds from the NE by Sat night). | Days 5–7 Weather SummaryLight rain (total 8mm), mostly falling on Tue night. Mild temperatures (max 9°C on Mon afternoon, min 3°C on Sun afternoon). Winds decreasing (strong winds from the E on Mon afternoon, light winds from the SE by Tue night). | ||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  | | | | | | |  | |  | |
mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | rain shwrs | clear | rain shwrs | light rain | light rain | light rain | |
Cloud base (m) | 200 | 150 | 2100 | 750 | 850 | 700 | 8750 | 950 | 400 | 350 | 1700 | 200 | 150 | 50 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 7 | 7 | 1.4 | 0.5 | 0.3 | — | — | — | — | — | — | 0.1 | — | 0.1 | 0.8 | 2 | 4 |
max °C | 10 | 7 | 5 | 5 | 5 | 6 | 5 | 4 | 4 | 4 | 4 | 7 | 9 | 8 | 8 | 8 | 8 |
min °C | 9 | 4 | 4 | 5 | 5 | 5 | 5 | 3 | 4 | 3 | 3 | 5 | 8 | 7 | 8 | 8 | 7 |
chill °C | 6 | 0 | -1 | 0 | 0 | 1 | 1 | 0 | 1 | -1 | -2 | 0 | 3 | 4 | 5 | 5 | 4 |
Freezing level m | 2850 | 1950 | 1450 | 1450 | 1500 | 1800 | 1900 | 1800 | 1500 | 1400 | 1500 | 2300 | 2500 | 2550 | 2750 | 2350 | 2350 |
 | — | — | 7:41 | — | — | 7:43 | — | — | 7:46 | — | — | 7:48 | — | — | 7:50 | — | — |
 | 6:21 | — | — | 6:19 | — | — | 6:15 | — | — | 6:14 | — | — | 6:12 | — | — | 6:09 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 16mm), heaviest on Thu night. Very mild (max 10°C on Thu afternoon, min 3°C on Sat night). Winds decreasing (fresh winds from the NW on Fri morning, light winds from the NE by Sat night).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 8mm), mostly falling on Tue night. Mild temperatures (max 9°C on Mon afternoon, min 3°C on Sun afternoon). Winds decreasing (strong winds from the E on Mon afternoon, light winds from the SE by Tue night).
This table gives the weather forecast for Pen yr Helgi Du at the specific elevation of 833 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Pen yr Helgi Du. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of United Kingdom.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Caernarfon Airport |  | ||||
Valley RAF Airport |  | ||||
BARCIAL | |||||
HORNACHOS IM2 | |||||
SHIP4806 | |||||
SHIP2573 |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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