– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Thu 24 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 3mm), mostly falling on Thu night. Very mild (max 13°C on Thu morning, min 7°C on Fri afternoon). Mainly fresh winds. | Days 4–6 Weather SummaryModerate rain (total 17mm), heaviest on Tue night. Very mild (max 14°C on Tue night, min 7°C on Sun night). Winds increasing (light winds from the SSW on Mon afternoon, gales from the S by Tue night). | |||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | | | | | |  | |  | | | | |
some clouds | some clouds | rain shwrs | light rain | light rain | clear | rain shwrs | rain shwrs | rain shwrs | some clouds | light rain | rain shwrs | clear | clear | some clouds | light rain | clear | rain shwrs | |
Cloud base (m) | 4700 | 550 | 250 | 1500 | 350 | 5450 | 7450 | 9000 | 700 | 300 | 2300 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 0.9 | 0.9 | 0.3 | — | 0.1 | 0.2 | 0.1 | — | 1.2 | 0.9 | — | — | — | 0.1 | — | 15 |
max °C | 13 | 13 | 12 | 9 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 9 | 11 | 12 | 13 | 14 |
min °C | 12 | 13 | 10 | 9 | 7 | 7 | 9 | 9 | 8 | 10 | 9 | 7 | 8 | 9 | 8 | 11 | 13 | 12 |
chill °C | 10 | 10 | 8 | 7 | 4 | 4 | 5 | 5 | 4 | 6 | 5 | 5 | 6 | 8 | 5 | 8 | 10 | 8 |
Freezing level m | 3750 | 3950 | 3950 | 3150 | 2450 | 2350 | 2750 | 2750 | 2850 | 2900 | 2600 | 2300 | 2300 | 2550 | 2700 | 2900 | 3200 | 3200 |
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:02 | — | — | 7:00 | — | — | 6:58 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 3mm), mostly falling on Thu night. Very mild (max 13°C on Thu morning, min 7°C on Fri afternoon). Mainly fresh winds.
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 17mm), heaviest on Tue night. Very mild (max 14°C on Tue night, min 7°C on Sun night). Winds increasing (light winds from the SSW on Mon afternoon, gales from the S by Tue 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 | |||||
SHIP5017 |
* 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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