– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 pm Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 10mm), mostly falling on Tue night. Very mild (max 12°C on Mon afternoon, min 4°C on Wed afternoon). Winds increasing (calm on Tue night, fresh winds from the NNW by Wed night). | Days 5–7 Weather SummaryModerate rain (total 20mm), heaviest on Thu night. Very mild (max 12°C on Thu night, min 4°C on Fri night). Winds decreasing (near gales from the W on Thu night, moderate winds from the WNW by Sun morning). | ||||||||||||||||
Mon 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | |  | | | | | | | |
rain shwrs | rain shwrs | light rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | heavy rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 300 | 700 | 550 | 350 | 400 | 700 | 650 | 850 | 600 | 900 | 150 | 100 | 650 | 600 | 700 | 600 | 800 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | 1.2 | 1.4 | 0.5 | 3 | 0.5 | 0.5 | 2 | 0.3 | 0.2 | 15 | 1.6 | 0.1 | 0.4 | 0.8 | 0.4 | 1.1 |
max °C | 12 | 11 | 11 | 10 | 9 | 5 | 5 | 4 | 5 | 6 | 12 | 10 | 7 | 5 | 5 | 6 | 5 |
min °C | 12 | 11 | 10 | 9 | 5 | 5 | 4 | 4 | 5 | 6 | 9 | 9 | 6 | 4 | 4 | 5 | 5 |
chill °C | 9 | 8 | 8 | 8 | 1 | 0 | -1 | -2 | 1 | 2 | 4 | 4 | 1 | -3 | -3 | -1 | -1 |
Freezing level m | 3750 | 3600 | 2800 | 2750 | 2450 | 1450 | 1350 | 1350 | 1450 | 2450 | 3250 | 2950 | 2600 | 1550 | 1350 | 1400 | 1650 |
 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — |
 | 6:44 | — | — | 6:42 | — | — | 6:38 | — | — | 6:37 | — | — | 6:35 | — | — | 6:31 | — |
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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 Tue night. Very mild (max 12°C on Mon afternoon, min 4°C on Wed afternoon). Winds increasing (calm on Tue night, fresh winds from the NNW by Wed night).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 20mm), heaviest on Thu night. Very mild (max 12°C on Thu night, min 4°C on Fri night). Winds decreasing (near gales from the W on Thu night, moderate winds from the WNW by Sun 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 | | ||||
SHIP2228 | |||||
SHIP3193 | |||||
SHIP4500 |
* 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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