– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 21mm), heaviest during Fri afternoon. Very mild (max 13°C on Fri night, min 6°C on Sat night). Mainly near gales. | Days 4–6 Weather SummaryMostly dry. Very mild (max 15°C on Mon morning, min 7°C on Sun morning). Winds decreasing (fresh winds from the W on Sun morning, calm by Tue morning). | |||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||
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 | heavy rain | rain shwrs | rain shwrs | rain shwrs | clear | rain shwrs | some clouds | some clouds | rain shwrs | some clouds | cloudy | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 450 | 1700 | 1900 | 500 | 400 | 150 | 150 | 700 | 4700 | 750 | 1950 | 300 | 450 | 350 | 300 | 250 | 800 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.7 | 0.6 | 0.2 | 0.1 | 16 | 3 | 0.7 | 0.2 | — | 0.1 | — | — | 0.1 | — | — | 0.1 | 0.2 | 0.3 |
max °C | 8 | 8 | 7 | 10 | 12 | 13 | 11 | 10 | 8 | 8 | 10 | 12 | 15 | 15 | 15 | 14 | 14 | 13 |
min °C | 7 | 8 | 7 | 10 | 11 | 12 | 11 | 9 | 6 | 7 | 9 | 10 | 13 | 15 | 14 | 14 | 13 | 11 |
chill °C | 2 | 3 | 2 | 6 | 7 | 8 | 7 | 5 | 1 | 2 | 6 | 7 | 10 | 13 | 14 | 14 | 13 | 9 |
Freezing level m | 2100 | 2350 | 2550 | 3100 | 3400 | 3300 | 3500 | 3400 | 2650 | 2800 | 3500 | 3850 | 4050 | 4150 | 3850 | 3800 | 3700 | 3450 |
 | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Heavy rain (total 21mm), heaviest during Fri afternoon. Very mild (max 13°C on Fri night, min 6°C on Sat night). Mainly near gales.
Pen yr Helgi Du Weather (Days 3-6):
Mostly dry. Very mild (max 15°C on Mon morning, min 7°C on Sun morning). Winds decreasing (fresh winds from the W on Sun morning, calm by Tue 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 | | ||||
SHIP9611 | |||||
SHIP5962 | |||||
SHIP10912 |
* 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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