– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 12 am Sun 16 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Sun 16 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Sun 16 Aug Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 5mm), mostly falling on Mon night. Very mild (max 14°C on Mon night, min 10°C on Tue morning). Winds increasing (light winds from the WNW on Sat night, fresh winds from the W by Mon night). | Days 5–7 Weather SummaryLight rain (total 7mm), mostly falling on Thu morning. Very mild (max 10°C on Tue night, min 7°C on Tue night). Winds decreasing (strong winds from the WSW on Wed afternoon, calm by Fri afternoon). | |||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | | | | | | | |
some clouds | some clouds | light rain | light rain | rain shwrs | cloudy | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 4700 | 3050 | 1700 | 450 | 300 | 2050 | 750 | 150 | 700 | 750 | 1900 | 1850 | 700 | 100 | 550 | 2300 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 0.1 | 0.4 | 0.3 | — | 3 | 0.5 | 0.1 | 0.7 | 0.4 | 0.1 | 2 | 1.4 | 1.4 | 0.1 |
max °C | 11 | 12 | 13 | 12 | 13 | 13 | 14 | 10 | 11 | 10 | 9 | 10 | 9 | 10 | 10 | 9 |
min °C | 11 | 12 | 12 | 12 | 12 | 13 | 12 | 10 | 11 | 7 | 8 | 10 | 8 | 9 | 10 | 8 |
chill °C | 10 | 11 | 10 | 10 | 10 | 11 | 9 | 7 | 8 | 3 | 4 | 6 | 4 | 6 | 8 | 6 |
Freezing level m | 3650 | 3350 | 3500 | 3800 | 3900 | 4050 | 3800 | 3700 | 3400 | 2450 | 2250 | 2400 | 2300 | 2350 | 2450 | 2350 |
 | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:03 | — | — |
 | — | — | 8:42 | — | — | 8:39 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 5mm), mostly falling on Mon night. Very mild (max 14°C on Mon night, min 10°C on Tue morning). Winds increasing (light winds from the WNW on Sat night, fresh winds from the W by Mon night).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 7mm), mostly falling on Thu morning. Very mild (max 10°C on Tue night, min 7°C on Tue night). Winds decreasing (strong winds from the WSW on Wed afternoon, calm 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 |  | ||||
SHIP7166 | |||||
SHIP2616 | |||||
SHIP3592 | |||||
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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