– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Thu 22 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Thu 22 Oct Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Fri morning will be washed away by heavy rain (total 36mm) on Sat afternoon. Very mild (max 11°C on Sat afternoon, min 1°C on Fri morning). Winds increasing (light winds from the SW on Thu night, stormy winds from the WSW by Sat afternoon). | Days 4–6 Weather SummaryModerate rain (total 18mm), heaviest on Mon morning. Very mild (max 12°C on Mon afternoon, min 2°C on Sun morning). Winds increasing (fresh winds from the WSW on Sun night, stormy winds from the SW by Mon night). | |||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | | | |  | | | | | | |
rain shwrs | some clouds | rain shwrs | light snow | snow shwrs | some clouds | light rain | heavy rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | mod. rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 150 | 200 | 50 | 100 | 800 | 1850 | 250 | 550 | 700 | 700 | 500 | 50 | 50 | 1350 | 650 | 1750 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.7 | — | 8 | 3 | 0.2 | — | 5 | 18 | 1.8 | 0.2 | 0.3 | 0.1 | 9 | 3 | 5 | 0.9 | 0.2 | 0.2 |
max °C | 4 | 5 | 6 | 3 | 2 | 3 | 7 | 11 | 3 | 2 | 3 | 4 | 10 | 12 | 11 | 3 | 4 | 7 |
min °C | 3 | 5 | 6 | 1 | 2 | 2 | 5 | 11 | 2 | 2 | 3 | 3 | 8 | 12 | 5 | 3 | 4 | 4 |
chill °C | -2 | 1 | 0 | -8 | -7 | -6 | -1 | 6 | -7 | -7 | -5 | -4 | 3 | 8 | -2 | -5 | -4 | -3 |
Freezing level m | 1200 | 1450 | 2000 | 1300 | 1050 | 1050 | 1600 | 3200 | 1250 | 1050 | 1200 | 1250 | 2950 | 3650 | 2750 | 1250 | 1250 | 1400 |
 | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — | 6:58 | — | — | 8:00 | — | — | 8:03 | — | — |
 | — | 6:05 | — | — | 6:02 | — | — | 6:00 | — | — | 4:59 | — | — | 5:57 | — | — | 5:54 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: A light covering of new snow mostly falling on Fri morning will be washed away by heavy rain (total 36mm) on Sat afternoon. Very mild (max 11°C on Sat afternoon, min 1°C on Fri morning). Winds increasing (light winds from the SW on Thu night, stormy winds from the WSW by Sat afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 18mm), heaviest on Mon morning. Very mild (max 12°C on Mon afternoon, min 2°C on Sun morning). Winds increasing (fresh winds from the WSW 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 |  | ||||
BARCIAL | |||||
HORNACHOS IM2 | |||||
SHIP7063 |
* 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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