– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Sun 13 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Sun 13 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 10mm), mostly falling on Mon night. Very mild (max 15°C on Mon morning, min 6°C on Tue night). Winds increasing (light winds from the W on Sun morning, near gales from the SW by Mon night). | Days 4–6 Weather SummaryModerate rain (total 14mm), heaviest on Fri night. Very mild (max 12°C on Fri night, min 6°C on Wed morning). Winds increasing (moderate winds from the WNW on Wed morning, near gales from the W by Fri night). | |||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | | |  | | | | | | | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 750 | 550 | 500 | 9350 | 200 | 400 | 650 | 550 | 400 | 400 | 1750 | 250 | 400 | 800 | 800 | 2800 | 100 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.4 | 0.1 | 0.2 | 0.2 | 0.1 | 6 | 0.8 | 0.8 | 0.8 | 0.3 | 0.4 | 2 | 0.7 | 0.8 | 1.3 | 0.2 | 0.1 | 8 |
max °C | 14 | 14 | 14 | 15 | 15 | 14 | 9 | 9 | 8 | 7 | 7 | 9 | 7 | 8 | 7 | 10 | 11 | 12 |
min °C | 12 | 14 | 13 | 14 | 15 | 10 | 8 | 9 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 11 | 10 |
chill °C | 10 | 13 | 11 | 12 | 13 | 6 | 4 | 5 | 1 | 2 | 3 | 3 | 2 | 2 | 2 | 4 | 7 | 5 |
Freezing level m | 3450 | 3950 | 4300 | 4100 | 3950 | 3450 | 2400 | 2300 | 2200 | 1750 | 2800 | 2800 | 2300 | 2150 | 2200 | 2700 | 3200 | 3300 |
 | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | 7:37 | — | — | 7:35 | — | — | 7:31 | — | — | 7:30 | — | — | 7:27 | — | — | 7:24 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 10mm), mostly falling on Mon night. Very mild (max 15°C on Mon morning, min 6°C on Tue night). Winds increasing (light winds from the W on Sun morning, near gales from the SW by Mon night).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 14mm), heaviest on Fri night. Very mild (max 12°C on Fri night, min 6°C on Wed morning). Winds increasing (moderate winds from the WNW on Wed morning, near gales from the W by Fri 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 | |||||
SHIP6236 |
* 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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