– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 am Mon 14 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Mon 14 Sep 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 14mm), heaviest on Mon night. Very mild (max 15°C on Mon morning, min 7°C on Tue night). Winds decreasing (near gales from the SW on Mon night, light winds from the WNW by Wed morning). | Days 4–6 Weather SummaryLight rain (total 8mm), mostly falling on Fri afternoon. Very mild (max 12°C on Fri night, min 6°C on Thu night). Mainly strong winds. | |||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||
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 | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | some clouds | some clouds | |
Cloud base (m) | 450 | 9550 | 250 | 350 | 500 | 450 | 200 | 450 | 2500 | 800 | 650 | 650 | 850 | 650 | 200 | 850 | 3100 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | 0.2 | 6 | 0.5 | 1.1 | 2 | 1.1 | 0.5 | 2 | 0.5 | 0.7 | 0.5 | 0.1 | 3 | 2 | 0.3 | — | — |
max °C | 15 | 15 | 14 | 8 | 9 | 8 | 8 | 8 | 10 | 7 | 7 | 7 | 9 | 11 | 12 | 11 | 10 | 11 |
min °C | 14 | 14 | 10 | 8 | 9 | 7 | 7 | 8 | 8 | 7 | 7 | 6 | 8 | 10 | 11 | 10 | 10 | 9 |
chill °C | 12 | 11 | 6 | 4 | 5 | 3 | 4 | 4 | 4 | 2 | 2 | 1 | 4 | 6 | 7 | 6 | 6 | 5 |
Freezing level m | 4100 | 3900 | 3250 | 2450 | 2400 | 2200 | 2400 | 3100 | 3200 | 2050 | 2200 | 2700 | 3300 | 3150 | 3450 | 3500 | 3500 | 3400 |
 | 6:46 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 7:35 | — | — | 7:31 | — | — | 7:30 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 14mm), heaviest on Mon night. Very mild (max 15°C on Mon morning, min 7°C on Tue night). Winds decreasing (near gales from the SW on Mon night, light winds from the WNW by Wed morning).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 8mm), mostly falling on Fri afternoon. Very mild (max 12°C on Fri night, min 6°C on Thu night). Mainly strong winds.
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 |  | ||||
SHIP5331 | |||||
SHIP11156 | |||||
Valley RAF Airport |  | ||||
SHIP12230 | |||||
SHIP12231 |
* 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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