– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 12mm), heaviest on Tue morning. Mild temperatures (max 7°C on Mon morning, min 3°C on Sun morning). Winds increasing (light winds from the S on Tue afternoon, strong winds from the WSW by Tue night). | Days 4–6 Weather SummaryA dusting of snow giving way to moderate rain (total 18mm) heaviest on Thu night. Mild temperatures (max 5°C on Thu afternoon, min 1°C on Fri night). Mainly severe gales. | |||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | |  | | | | |  |  |  |  | |
clear | some clouds | rain shwrs | rain shwrs | clear | rain shwrs | light rain | light rain | rain shwrs | light snow | rain shwrs | rain shwrs | rain shwrs | light rain | heavy rain | cloudy | snow shwrs | snow shwrs | |
Cloud base (m) | 800 | 800 | 500 | 300 | 100 | 50 | 700 | 50 | 600 | 400 | 800 | 550 | 500 | 650 | 900 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 2 | 1 |
mm | — | — | 0.5 | 0.6 | — | 1.9 | 5 | 2 | 1.5 | — | 1 | 3 | 0.7 | 0.1 | 12 | — | — | 1.2 |
max °C | 4 | 4 | 5 | 7 | 7 | 6 | 6 | 6 | 5 | 2 | 3 | 3 | 4 | 5 | 4 | 2 | 2 | 3 |
min °C | 3 | 3 | 4 | 6 | 6 | 5 | 6 | 5 | 3 | 2 | 3 | 3 | 4 | 4 | 3 | 2 | 2 | 1 |
chill °C | -1 | -2 | -1 | 1 | 2 | 1 | 4 | 2 | -4 | -6 | -4 | -3 | -2 | 0 | -3 | -6 | -6 | -7 |
Freezing level m | 1450 | 1350 | 1800 | 2050 | 1950 | 2050 | 2150 | 2000 | 1800 | 1050 | 1150 | 1300 | 1350 | 1450 | 1250 | 1000 | 1000 | 1050 |
 | 7:46 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | 6:14 | — | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:02 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 12mm), heaviest on Tue morning. Mild temperatures (max 7°C on Mon morning, min 3°C on Sun morning). Winds increasing (light winds from the S on Tue afternoon, strong winds from the WSW by Tue night).
Pen yr Helgi Du Weather (Days 3-6):
A dusting of snow giving way to moderate rain (total 18mm) heaviest on Thu night. Mild temperatures (max 5°C on Thu afternoon, min 1°C on Fri night). Mainly severe gales.
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 | |||||
SHIP10757 |
* 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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