– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 12 am Wed 19 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Wed 19 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Wed 19 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 14mm), heaviest on Thu morning. Very mild (max 10°C on Tue night, min 6°C on Thu night). Winds decreasing (fresh winds from the WSW on Tue night, calm by Thu night). | Days 5–7 Weather SummaryMostly dry. Very mild (max 12°C on Mon morning, min 7°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | |  | | | |  |  | | | | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | risk tstorm | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | |
Cloud base (m) | 450 | 500 | 2250 | 2600 | 700 | 200 | 800 | 1950 | 1600 | 1550 | 500 | 400 | 350 | 9150 | 9400 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | 1.3 | 0.1 | 0.1 | 3 | 1.4 | 1.3 | 2 | 1.9 | 0.3 | 0.1 | — | — | — | — | — |
max °C | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 8 | 9 | 10 | 9 | 10 | 11 | 10 |
min °C | 9 | 9 | 10 | 8 | 8 | 8 | 6 | 8 | 9 | 7 | 8 | 10 | 8 | 9 | 11 | 9 |
chill °C | 5 | 6 | 7 | 5 | 4 | 4 | 6 | 7 | 8 | 7 | 7 | 9 | 8 | 8 | 10 | 9 |
Freezing level m | 2400 | 2350 | 2350 | 2450 | 2350 | 2250 | 1950 | 1950 | 2050 | 2050 | 2150 | 2350 | 2600 | 2700 | 3000 | 3000 |
 | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:25 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 14mm), heaviest on Thu morning. Very mild (max 10°C on Tue night, min 6°C on Thu night). Winds decreasing (fresh winds from the WSW on Tue night, calm by Thu night).
Pen yr Helgi Du Weather (Days 3-6):
Mostly dry. Very mild (max 12°C on Mon morning, min 7°C on Fri night). Wind will be generally light.
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 | |||||
SHIP7681 |
* 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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