– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 am Tue 01 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Tue 01 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 12mm), heaviest on Wed morning. Very mild (max 14°C on Wed afternoon, min 9°C on Thu night). Winds increasing (moderate winds from the WSW on Tue night, gales from the WSW by Thu night). | Days 4–6 Weather SummarySome drizzle, heaviest during Fri morning. Very mild (max 15°C on Sun afternoon, min 7°C on Fri night). Winds increasing (light winds from the WSW on Sat night, strong winds from the SW by Sun night). | |||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  | | |  | | |  | | | | |
rain shwrs | light rain | rain shwrs | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | clear | rain shwrs | rain shwrs | cloudy | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 2550 | 350 | 200 | 150 | 250 | 6350 | 100 | 600 | 800 | 550 | 650 | 2850 | 950 | 2200 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | 0.2 | 0.6 | 5 | 0.7 | 0.9 | 0.2 | 0.2 | 4 | 0.4 | 0.2 | — | 0.3 | 0.1 | — | 0.1 | 0.2 | 0.4 |
max °C | 12 | 12 | 11 | 12 | 14 | 14 | 14 | 13 | 14 | 9 | 9 | 8 | 9 | 10 | 11 | 14 | 15 | 13 |
min °C | 11 | 11 | 10 | 11 | 13 | 12 | 13 | 13 | 9 | 9 | 9 | 7 | 8 | 9 | 9 | 12 | 15 | 12 |
chill °C | 8 | 8 | 7 | 8 | 10 | 9 | 10 | 10 | 5 | 5 | 4 | 2 | 4 | 6 | 7 | 10 | 13 | 8 |
Freezing level m | 2750 | 2850 | 2750 | 3050 | 3750 | 3750 | 3750 | 3750 | 3450 | 3000 | 2400 | 2800 | 3050 | 3450 | 3650 | 3800 | 3800 | 3700 |
 | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:31 | — | — | 6:33 | — | — |
 | — | 8:06 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:55 | — | — | 7:53 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 12mm), heaviest on Wed morning. Very mild (max 14°C on Wed afternoon, min 9°C on Thu night). Winds increasing (moderate winds from the WSW on Tue night, gales from the WSW by Thu night).
Pen yr Helgi Du Weather (Days 3-6):
Some drizzle, heaviest during Fri morning. Very mild (max 15°C on Sun afternoon, min 7°C on Fri night). Winds increasing (light winds from the WSW on Sat night, strong winds from the SW by Sun 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 | |||||
SHIP9461 |
* 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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