– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 am Sun 13 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Sun 13 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 11mm), heaviest on Mon night. Very mild (max 16°C on Mon afternoon, min 6°C on Tue night). Winds increasing (light winds from the WSW on Sun afternoon, near gales from the WSW by Mon night). | Days 4–6 Weather SummaryLight rain (total 9mm), mostly falling on Wed night. Very mild (max 11°C on Fri afternoon, min 7°C on Wed morning). Winds increasing (moderate winds from the WSW on Wed night, gales from the WSW by Fri afternoon). | |||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | |  | |  | | | | | | | |
rain shwrs | some clouds | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | rain shwrs | light rain | rain shwrs | light rain | light rain | rain shwrs | |
Cloud base (m) | 500 | 550 | 650 | 250 | 9250 | 400 | 350 | 250 | 700 | 200 | 250 | 1750 | 250 | 850 | 2100 | 500 | 850 | 150 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | — | — | 0.2 | 0.2 | 7 | 0.6 | 1.3 | 1.1 | 1 | 1.4 | 3 | 0.8 | 0.3 | 0.7 | 0.2 | 1 | 0.7 |
max °C | 14 | 14 | 14 | 15 | 16 | 15 | 9 | 9 | 8 | 7 | 8 | 9 | 8 | 8 | 7 | 9 | 11 | 9 |
min °C | 12 | 14 | 13 | 14 | 14 | 10 | 8 | 9 | 6 | 7 | 7 | 7 | 7 | 8 | 7 | 8 | 10 | 7 |
chill °C | 10 | 13 | 11 | 12 | 11 | 6 | 4 | 5 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 4 | 5 | 1 |
Freezing level m | 3500 | 3950 | 4300 | 4100 | 3950 | 3450 | 2450 | 2300 | 2200 | 2200 | 2600 | 2800 | 2500 | 2400 | 2100 | 2700 | 3100 | 3350 |
 | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | 7:37 | — | — | 7:35 | — | — | 7:31 | — | — | 7:30 | — | — | 7:27 | — | — | 7:24 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 11mm), heaviest on Mon night. Very mild (max 16°C on Mon afternoon, min 6°C on Tue night). Winds increasing (light winds from the WSW on Sun afternoon, near gales from the WSW by Mon night).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 9mm), mostly falling on Wed night. Very mild (max 11°C on Fri afternoon, min 7°C on Wed morning). Winds increasing (moderate winds from the WSW on Wed night, gales from the WSW by Fri afternoon).
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 |
* 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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