– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 am Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 6 am 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 18mm), heaviest on Tue morning. Mild temperatures (max 7°C on Mon morning, min 3°C on Sun morning). Winds increasing (light winds from the SSW on Tue morning, near gales from the SSW by Tue night). | Days 4–6 Weather SummaryHeavy rain (total 21mm), heaviest during Wed afternoon. Later becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 7°C on Thu night, min 0°C on Fri night). Mainly extremely windy. | |||||||||||||||||
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 | some clouds | light rain | mod. rain | rain shwrs | rain shwrs | light rain | mod. rain | rain shwrs | rain shwrs | light rain | rain shwrs | light snow | cloudy | cloudy | |
Cloud base (m) | 800 | 800 | 700 | 300 | 600 | 550 | 100 | 50 | 2650 | 100 | 50 | 450 | 650 | 6400 | 350 | 0 | 400 | 600 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — |
mm | — | — | 0.5 | 0.6 | — | 3 | 10 | 3 | 1.1 | 2 | 8 | 1.9 | 0.7 | 0.1 | 8 | — | — | — |
max °C | 4 | 4 | 5 | 7 | 7 | 6 | 6 | 5 | 6 | 3 | 2 | 3 | 4 | 5 | 7 | 1 | 1 | 2 |
min °C | 3 | 4 | 4 | 6 | 7 | 6 | 6 | 5 | 3 | 3 | 2 | 3 | 4 | 4 | 4 | 1 | 1 | 0 |
chill °C | -1 | 0 | -1 | 1 | 3 | 2 | 4 | 2 | -5 | -4 | -7 | -4 | -2 | -1 | -2 | -9 | -8 | -10 |
Freezing level m | 1450 | 1300 | 1750 | 2050 | 2000 | 2100 | 2100 | 1850 | 1750 | 1200 | 1200 | 1300 | 1300 | 1500 | 2100 | 1000 | 1000 | 900 |
 | 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 18mm), heaviest on Tue morning. Mild temperatures (max 7°C on Mon morning, min 3°C on Sun morning). Winds increasing (light winds from the SSW on Tue morning, near gales from the SSW by Tue night).
Pen yr Helgi Du Weather (Days 3-6):
Heavy rain (total 21mm), heaviest during Wed afternoon. Later becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 7°C on Thu night, min 0°C on Fri night). Mainly extremely windy.
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 |  | ||||
SHIP645 | |||||
SHIP2078 | |||||
SHIP9600 | |||||
SHIP8425 | |||||
SHIP3449 |
* 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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