– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Mon 19 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 18mm), heaviest on Wed afternoon. Mild temperatures (max 7°C on Mon morning, min 2°C on Wed afternoon). Mainly gales. | Days 4–6 Weather SummaryHeavy rain (total 44mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Fri morning. Very mild (max 11°C on Sat night, min 2°C on Fri morning). Winds increasing (fresh winds from the SSW on Thu morning, stormy winds from the NW by Fri morning). | |||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | |  | | | |  |  | | | | | | |
rain shwrs | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | mod. rain | rain shwrs | rain shwrs | light rain | heavy rain | light snow | rain shwrs | rain shwrs | rain shwrs | light rain | heavy rain | |
Cloud base (m) | 300 | 600 | 4650 | 550 | 50 | 1850 | 50 | 50 | 450 | 800 | 1950 | 50 | 300 | 700 | 700 | 800 | 0 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
mm | 0.5 | 0.2 | 0.1 | 1.8 | 2 | 2 | 0.2 | 10 | 0.5 | 0.2 | 4 | 19 | — | 0.2 | 0.3 | 0.2 | 3 | 17 |
max °C | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 6 | 6 | 7 | 2 | 2 | 2 | 4 | 8 | 11 |
min °C | 6 | 5 | 5 | 6 | 5 | 4 | 3 | 2 | 2 | 4 | 6 | 4 | 2 | 2 | 2 | 3 | 5 | 8 |
chill °C | 1 | 1 | 1 | 3 | 2 | -2 | 3 | -6 | -5 | -1 | 1 | -2 | -8 | -7 | -7 | -3 | -1 | 2 |
Freezing level m | 2100 | 1700 | 1950 | 2300 | 2000 | 1650 | 1350 | 1400 | 1100 | 1450 | 1850 | 1650 | 1100 | 1050 | 1050 | 1250 | 1850 | 3450 |
 | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — |
 | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:02 | — | — | 6:00 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 18mm), heaviest on Wed afternoon. Mild temperatures (max 7°C on Mon morning, min 2°C on Wed afternoon). Mainly gales.
Pen yr Helgi Du Weather (Days 3-6):
Heavy rain (total 44mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Fri morning. Very mild (max 11°C on Sat night, min 2°C on Fri morning). Winds increasing (fresh winds from the SSW on Thu morning, stormy winds from the NW by Fri morning).
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 | |||||
SHIP688 |
* 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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