– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 am Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Mon 05 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 15mm), heaviest on Tue night. Very mild (max 12°C on Mon morning, min 3°C on Wed night). Winds decreasing (strong winds from the WSW on Mon morning, calm by Tue night). | Days 4–6 Weather SummaryModerate rain (total 18mm), heaviest on Thu night. Very mild (max 12°C on Thu night, min 4°C on Thu morning). Winds increasing (moderate winds from the WNW on Thu morning, near gales from the W by Thu night). | |||||||||||||||||
Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | | | |  | | | | | | | |
rain shwrs | rain shwrs | rain shwrs | light rain | light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | heavy rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 250 | 350 | 450 | 200 | 400 | 200 | 800 | 650 | 700 | 650 | 850 | 150 | 200 | 700 | 850 | 500 | 900 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | 0.3 | 0.8 | 1.2 | 0.3 | 9 | 0.4 | 0.5 | 1.7 | 0.3 | 0.9 | 12 | 1.2 | 0.2 | 0.3 | 0.9 | 1.3 | 0.8 |
max °C | 12 | 12 | 11 | 10 | 10 | 9 | 5 | 5 | 4 | 5 | 6 | 12 | 11 | 7 | 5 | 5 | 6 | 6 |
min °C | 12 | 12 | 11 | 10 | 10 | 6 | 5 | 5 | 3 | 4 | 5 | 8 | 9 | 6 | 4 | 5 | 5 | 5 |
chill °C | 9 | 9 | 8 | 8 | 9 | 2 | 0 | 0 | -3 | -1 | 0 | 3 | 4 | 1 | -2 | -1 | -1 | -1 |
Freezing level m | 3900 | 3750 | 3450 | 2850 | 2700 | 2550 | 1700 | 1400 | 1300 | 1400 | 2100 | 3200 | 2900 | 2700 | 1400 | 1450 | 1600 | 2050 |
 | 7:22 | — | — | 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: Moderate rain (total 15mm), heaviest on Tue night. Very mild (max 12°C on Mon morning, min 3°C on Wed night). Winds decreasing (strong winds from the WSW on Mon morning, calm by Tue night).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 18mm), heaviest on Thu night. Very mild (max 12°C on Thu night, min 4°C on Thu morning). Winds increasing (moderate winds from the WNW on Thu morning, near gales from the W 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 | | ||||
SHIP4010 | |||||
Valley RAF Airport |  | ||||
SHIP6906 | |||||
SHIP5817 |
* 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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