– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 12 am Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Mon 31 Aug 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 10mm), heaviest on Wed morning. Very mild (max 14°C on Wed afternoon, min 9°C on Sun night). Mainly fresh winds. | Days 5–7 Weather SummaryModerate rain (total 19mm), heaviest on Thu night. Very mild (max 13°C on Wed night, min 7°C on Fri night). Winds decreasing (near gales from the W on Fri afternoon, light winds from the W by Sat afternoon). | |||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | | | |  | | | | | |
rain shwrs | light rain | rain shwrs | some clouds | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 2800 | 150 | 250 | 2700 | 2650 | 2550 | 150 | 150 | 300 | 300 | 6200 | 2300 | 100 | 1950 | 1600 | 1950 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.4 | 1 | 0.2 | — | 0.2 | 0.2 | 3 | 4 | 0.8 | 0.7 | 0.1 | 6 | 12 | 0.1 | 0.5 | 0.2 |
max °C | 10 | 10 | 9 | 9 | 11 | 12 | 11 | 13 | 14 | 13 | 13 | 12 | 12 | 10 | 10 | 8 |
min °C | 9 | 9 | 9 | 9 | 11 | 11 | 10 | 12 | 14 | 12 | 13 | 12 | 8 | 9 | 9 | 7 |
chill °C | 6 | 6 | 5 | 6 | 8 | 8 | 7 | 9 | 12 | 9 | 10 | 9 | 3 | 4 | 4 | 2 |
Freezing level m | 2500 | 2650 | 2950 | 2600 | 2700 | 2700 | 2700 | 3100 | 3700 | 3900 | 3700 | 3450 | 2800 | 2600 | 2400 | 2400 |
 | — | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — |
 | — | — | 8:07 | — | — | 8:06 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 10mm), heaviest on Wed morning. Very mild (max 14°C on Wed afternoon, min 9°C on Sun night). Mainly fresh winds.
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 19mm), heaviest on Thu night. Very mild (max 13°C on Wed night, min 7°C on Fri night). Winds decreasing (near gales from the W on Fri afternoon, light winds from the W by Sat 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 | | ||||
SHIP6492 | |||||
SHIP8702 | |||||
SHIP8169 | |||||
SHIP2958 |
* 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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