– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Wed 21 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Wed 21 Oct Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 25mm), heaviest during Fri morning. Later becoming colder with a dusting of snow on Fri morning. Mild temperatures (max 6°C on Thu night, min 1°C on Fri morning). Mainly severe gales. | Days 4–6 Weather SummaryHeavy rain (total 34mm), heaviest during Mon night. Very mild (max 12°C on Mon morning, min 3°C on Sat night). Winds increasing (fresh winds from the W on Sun night, stormy winds from the SW by Mon night). | |||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | | | |  | | | | | | | | |
light rain | rain shwrs | rain shwrs | rain shwrs | some clouds | mod. rain | light snow | light rain | rain shwrs | light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 250 | 50 | 700 | 700 | 700 | 350 | 50 | 200 | 750 | 1400 | 0 | 50 | 450 | 750 | 750 | 50 | 250 | 50 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | 3 | 2 | 0.2 | — | 8 | 6 | 1.7 | 0.8 | 0.7 | 8 | 9 | 0.4 | 0.1 | 4 | 1.6 | 0.3 | 10 |
max °C | 4 | 3 | 3 | 4 | 5 | 6 | 2 | 2 | 3 | 5 | 11 | 11 | 4 | 4 | 8 | 12 | 12 | 11 |
min °C | 2 | 2 | 2 | 3 | 5 | 5 | 1 | 2 | 2 | 4 | 9 | 3 | 3 | 3 | 3 | 12 | 12 | 7 |
chill °C | -6 | -6 | -4 | -2 | 1 | 0 | -8 | -7 | -6 | -2 | 3 | -5 | -5 | -3 | -3 | 8 | 8 | 1 |
Freezing level m | 1450 | 1100 | 1200 | 1250 | 1500 | 1950 | 1150 | 1100 | 1100 | 1350 | 3150 | 2850 | 1250 | 1250 | 2450 | 3450 | 3600 | 3000 |
 | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — | 6:58 | — | — | 8:00 | — | — |
 | — | 6:07 | — | — | 6:05 | — | — | 6:02 | — | — | 6:00 | — | — | 4:59 | — | — | 5:57 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Heavy rain (total 25mm), heaviest during Fri morning. Later becoming colder with a dusting of snow on Fri morning. Mild temperatures (max 6°C on Thu night, min 1°C on Fri morning). Mainly severe gales.
Pen yr Helgi Du Weather (Days 3-6):
Heavy rain (total 34mm), heaviest during Mon night. Very mild (max 12°C on Mon morning, min 3°C on Sat night). Winds increasing (fresh winds from the W on Sun night, stormy winds from the SW by Mon 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 |  | ||||
SHIP9462 | |||||
SHIP7611 | |||||
SHIP8820 |
* 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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