– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 12 am Thu 03 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Thu 03 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Thu 03 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 22mm), heaviest during Thu night. Very mild (max 14°C on Wed night, min 8°C on Fri night). Winds decreasing (strong winds from the W on Thu night, light winds from the SW by Sat afternoon). | Days 5–7 Weather SummaryLight rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 17°C on Sun afternoon, min 6°C on Mon night). Winds increasing (light winds from the SW on Sat night, near gales from the W by Mon afternoon). | |||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | |  | | |  | | | | |
rain shwrs | rain shwrs | light rain | heavy rain | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | light rain | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 250 | 6250 | 2800 | 100 | 8000 | 2250 | 3250 | 2750 | 5600 | 200 | 300 | 700 | ||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.4 | 0.1 | 1.5 | 19 | 0.1 | 0.2 | 0.2 | — | — | — | 0.2 | 0.1 | 1.5 | 0.1 | 3 | 1 |
max °C | 14 | 13 | 12 | 11 | 10 | 10 | 10 | 12 | 12 | 14 | 16 | 17 | 14 | 11 | 11 | 6 |
min °C | 11 | 12 | 12 | 9 | 9 | 10 | 8 | 10 | 12 | 12 | 15 | 15 | 10 | 10 | 8 | 6 |
chill °C | 8 | 9 | 9 | 4 | 4 | 6 | 4 | 8 | 10 | 10 | 13 | 12 | 7 | 6 | 2 | 0 |
Freezing level m | 3750 | 3750 | 3600 | 3350 | 2750 | 3050 | 3050 | 3550 | 3650 | 3800 | 3650 | 3750 | 3900 | 3450 | 2750 | 1650 |
 | — | 6:26 | — | — | 6:28 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | — | 8:00 | — | — | 7:59 | — | — | 7:55 | — | — | 7:53 | — | — | 7:52 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Heavy rain (total 22mm), heaviest during Thu night. Very mild (max 14°C on Wed night, min 8°C on Fri night). Winds decreasing (strong winds from the W on Thu night, light winds from the SW by Sat afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 17°C on Sun afternoon, min 6°C on Mon night). Winds increasing (light winds from the SW on Sat night, near gales from the W by Mon 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 | | ||||
BARCIAL | |||||
HORNACHOS IM2 | |||||
SHIP9699 | |||||
SHIP1995 |
* 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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