– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 am Wed 12 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Wed 12 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Wed 12 Aug Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Fri morning. Warm (max 22°C on Wed afternoon, min 9°C on Fri night). Mainly fresh winds. | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Mon night. Very mild (max 15°C on Mon night, min 7°C on Sat night). Winds increasing (calm on Sun night, strong winds from the W by Mon night). | |||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  | | |  | | | |  | | | |
clear | clear | clear | some clouds | clear | some clouds | rain shwrs | light rain | light rain | clear | some clouds | rain shwrs | rain shwrs | rain shwrs | some clouds | cloudy | light rain | rain shwrs | |
Cloud base (m) | 4400 | 4400 | 6000 | 150 | 150 | 350 | 400 | 600 | 600 | 200 | 400 | 9000 | 1550 | 200 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 0.8 | 0.1 | 0.3 | — | — | 0.1 | 1 | 0.2 | — | — | 0.2 | 3 |
max °C | 20 | 22 | 20 | 20 | 20 | 17 | 14 | 13 | 11 | 10 | 9 | 8 | 10 | 11 | 10 | 11 | 13 | 15 |
min °C | 18 | 21 | 18 | 20 | 20 | 15 | 13 | 12 | 9 | 10 | 9 | 7 | 9 | 10 | 9 | 11 | 12 | 13 |
chill °C | 18 | 21 | 17 | 20 | 20 | 14 | 12 | 10 | 6 | 7 | 6 | 3 | 6 | 8 | 9 | 9 | 10 | 10 |
Freezing level m | 4000 | 3900 | 4100 | 4000 | 4000 | 4050 | 3950 | 3950 | 3700 | 3450 | 3400 | 3100 | 3050 | 3200 | 3450 | 3350 | 3450 | 4150 |
 | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:56 | — | — | 5:58 | — | — |
 | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Some drizzle, heaviest during Fri morning. Warm (max 22°C on Wed afternoon, min 9°C on Fri night). Mainly fresh winds.
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Mon night. Very mild (max 15°C on Mon night, min 7°C on Sat night). Winds increasing (calm on Sun night, strong 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 | |||||
SHIP3614 | |||||
SHIP453 |
* 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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