– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 12 pm Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 pm Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Mon 31 Aug 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 5mm), mostly falling on Mon morning. Very mild (max 14°C on Wed afternoon, min 8°C on Mon night). Mainly strong winds. | Days 4–6 Weather SummaryModerate rain (total 13mm), heaviest on Thu night. Very mild (max 14°C on Thu morning, min 8°C on Fri night). Winds decreasing (strong winds from the W on Fri morning, light winds from the SW by Sat night). | |||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | |  | | |  | | |  |  | | | |
rain shwrs | light rain | some clouds | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | mod. rain | rain shwrs | rain shwrs | clear | clear | clear | some clouds | |
Cloud base (m) | 150 | 450 | 2800 | 2400 | 2400 | 200 | 1800 | 150 | 550 | 950 | 200 | 750 | 350 | 4300 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.8 | 0.3 | — | 0.1 | 0.1 | 1.2 | 0.9 | 0.5 | 0.5 | 0.3 | 2 | 10 | 0.4 | 0.1 | — | — | — | — |
max °C | 10 | 9 | 9 | 11 | 12 | 11 | 13 | 14 | 13 | 14 | 13 | 11 | 9 | 10 | 9 | 11 | 12 | 13 |
min °C | 9 | 9 | 8 | 10 | 11 | 10 | 11 | 13 | 12 | 14 | 11 | 9 | 9 | 10 | 8 | 9 | 12 | 11 |
chill °C | 5 | 5 | 4 | 6 | 8 | 7 | 8 | 10 | 9 | 11 | 8 | 4 | 4 | 6 | 4 | 6 | 10 | 9 |
Freezing level m | 2600 | 2850 | 2500 | 2600 | 2700 | 2650 | 2950 | 3600 | 3850 | 3600 | 3450 | 2800 | 2700 | 2800 | 3400 | 3650 | 3700 | 3800 |
 | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:31 | — | — |
 | — | 8:07 | — | — | 8:06 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:55 | — |
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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 morning. Very mild (max 14°C on Wed afternoon, min 8°C on Mon night). Mainly strong winds.
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 13mm), heaviest on Thu night. Very mild (max 14°C on Thu morning, min 8°C on Fri night). Winds decreasing (strong winds from the W on Fri morning, light winds from the SW by Sat 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 | |||||
SHIP2500 |
* 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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