– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Mon 12 Oct 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 8mm), mostly falling on Mon night. Very mild (max 15°C on Mon afternoon, min 7°C on Tue afternoon). Winds increasing (moderate winds from the SSW on Mon morning, near gales from the SW by Wed night). | Days 4–6 Weather SummaryModerate rain (total 13mm), heaviest on Thu night. Very mild (max 13°C on Thu morning, min 3°C on Sat night). Winds decreasing (near gales from the SW on Thu morning, light winds from the WNW by Thu night). | |||||||||||||||||
Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | |||||||||||||
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 | rain shwrs | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | |
Cloud base (m) | 600 | 100 | 150 | 8550 | 500 | 750 | 200 | 850 | 900 | 800 | 850 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 0.1 | 6 | 1.3 | 0.2 | — | 0.1 | 0.3 | 0.4 | 0.2 | 0.4 | 12 | 0.5 | 0.1 | 0.4 | — | — | — |
max °C | 13 | 15 | 14 | 9 | 8 | 7 | 9 | 11 | 13 | 13 | 12 | 10 | 5 | 6 | 5 | 5 | 6 | 4 |
min °C | 12 | 14 | 11 | 9 | 7 | 7 | 9 | 10 | 11 | 12 | 11 | 5 | 5 | 5 | 4 | 5 | 5 | 3 |
chill °C | 10 | 11 | 7 | 4 | 2 | 2 | 5 | 5 | 7 | 8 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | -2 |
Freezing level m | 3850 | 3950 | 3900 | 2300 | 2100 | 3250 | 3650 | 3750 | 3850 | 4050 | 3750 | 2650 | 1550 | 1550 | 1500 | 1600 | 1600 | 1850 |
 | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — |
 | — | 6:28 | — | — | 6:24 | — | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — | — | 6:15 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 8mm), mostly falling on Mon night. Very mild (max 15°C on Mon afternoon, min 7°C on Tue afternoon). Winds increasing (moderate winds from the SSW on Mon morning, near gales from the SW by Wed night).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 13mm), heaviest on Thu night. Very mild (max 13°C on Thu morning, min 3°C on Sat night). Winds decreasing (near gales from the SW on Thu morning, light winds from the WNW by Thu 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 | |||||
SHIP4727 | |||||
SHIP1744 |
* 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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