– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 am Wed 16 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Wed 16 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 17mm), heaviest on Fri afternoon. Very mild (max 12°C on Fri afternoon, min 7°C on Tue night). Winds increasing (moderate winds from the WNW on Wed morning, near gales from the WSW by Fri afternoon). | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Very mild (max 15°C on Mon morning, min 8°C on Sat night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the W by Mon afternoon). | |||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | |  |  |  | |  |  |  | |  | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | mod. rain | light rain | light rain | some clouds | clear | clear | some clouds | some clouds | |
Cloud base (m) | 600 | 500 | 250 | 2300 | 750 | 1800 | 550 | 350 | 250 | 150 | 650 | 9150 | 9250 | 5500 | 1000 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.6 | 0.7 | 0.3 | 4 | 0.6 | 0.7 | 0.4 | 0.2 | 9 | 2 | 1.2 | — | — | — | — | — |
max °C | 8 | 8 | 8 | 10 | 7 | 8 | 8 | 9 | 12 | 13 | 11 | 11 | 10 | 11 | 12 | 13 |
min °C | 7 | 8 | 8 | 8 | 7 | 8 | 7 | 9 | 10 | 12 | 11 | 10 | 8 | 10 | 11 | 12 |
chill °C | 3 | 5 | 4 | 3 | 2 | 3 | 2 | 5 | 5 | 8 | 7 | 6 | 4 | 7 | 8 | 10 |
Freezing level m | 2300 | 2350 | 3200 | 3050 | 2050 | 2350 | 2900 | 3200 | 3450 | 3350 | 3550 | 3500 | 3400 | 3400 | 3900 | 4100 |
 | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — |
 | — | — | 7:30 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 17mm), heaviest on Fri afternoon. Very mild (max 12°C on Fri afternoon, min 7°C on Tue night). Winds increasing (moderate winds from the WNW on Wed morning, near gales from the WSW by Fri afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Fri night. Very mild (max 15°C on Mon morning, min 8°C on Sat night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the W by Mon 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 | |||||
HORNACHOS IM2 | |||||
SHIP6026 | |||||
SHIP4021 |
* 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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