– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Fri 11 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Fri 11 Sep 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 9mm), mostly falling on Sat morning. Very mild (max 14°C on Sat morning, min 9°C on Fri morning). Winds increasing (light winds from the W on Fri morning, near gales from the WSW by Fri night). | Days 4–6 Weather SummaryHeavy rain (total 33mm), heaviest during Mon night. Very mild (max 15°C on Mon morning, min 6°C on Tue night). Winds decreasing (strong winds from the WSW on Mon morning, light winds from the W by Mon night). | |||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||
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 | rain shwrs | rain shwrs | rain shwrs | some clouds | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | rain shwrs | light rain | light rain | rain shwrs | |
Cloud base (m) | 150 | 300 | 5950 | 200 | 250 | 350 | 250 | 650 | 250 | 200 | 150 | 200 | 300 | 700 | 250 | 900 | 700 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.6 | 0.3 | 0.1 | 5 | 1.3 | 1.6 | 0.3 | — | 0.1 | 7 | 0.4 | 20 | 0.6 | — | 0.8 | 0.3 | 0.1 | 4 |
max °C | 9 | 10 | 13 | 14 | 14 | 13 | 12 | 13 | 14 | 15 | 15 | 14 | 9 | 9 | 8 | 7 | 10 | 10 |
min °C | 9 | 9 | 10 | 14 | 13 | 11 | 11 | 13 | 13 | 15 | 15 | 9 | 9 | 9 | 6 | 6 | 9 | 8 |
chill °C | 6 | 7 | 8 | 11 | 10 | 9 | 10 | 12 | 11 | 13 | 12 | 6 | 6 | 5 | 2 | 2 | 5 | 3 |
Freezing level m | 3400 | 3650 | 4050 | 3650 | 3650 | 3850 | 3750 | 3850 | 4050 | 3850 | 3850 | 3400 | 2800 | 2600 | 2200 | 3350 | 3300 | 3300 |
 | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | 7:42 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:31 | — | — | 7:30 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 9mm), mostly falling on Sat morning. Very mild (max 14°C on Sat morning, min 9°C on Fri morning). Winds increasing (light winds from the W on Fri morning, near gales from the WSW by Fri night).
Pen yr Helgi Du Weather (Days 3-6):
Heavy rain (total 33mm), heaviest during Mon night. Very mild (max 15°C on Mon morning, min 6°C on Tue night). Winds decreasing (strong winds from the WSW on Mon morning, light winds from the W by Mon 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 | |||||
SHIP3573 |
* 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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