– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 5 am Sun 18 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sun 18 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 18 Jan 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 7mm) at first, then becoming colder with a dusting of snow on Tue night. Temperatures will be slightly above freezing (max 3°C on Mon morning, min 1°C on Mon night). Winds increasing (light winds from the S on Sun morning, stormy winds from the SSE by Tue afternoon). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 2°C on Wed morning, min -1°C on Fri morning). Winds increasing (fresh winds from the SSE on Wed night, severe gales from the SE by Fri night). | |||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  |  | | | |  |  | | |  | |
light rain | rain shwrs | clear | clear | some clouds | some clouds | light rain | light rain | snow shwrs | snow shwrs | some clouds | snow shwrs | some clouds | light snow | cloudy | some clouds | snow shwrs | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | 2 | 1 | — | 1 | — | 1 | — | — | 1 | 2 | |
0.2 | 0.1 | — | — | — | — | 2 | 5 | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 3 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 0 | -1 | 1 |
min °C | 2 | 2 | 2 | 2 | 3 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | -1 | -1 | 0 |
-2 | -2 | -3 | -2 | -1 | -5 | -6 | -5 | -7 | -7 | -7 | -6 | -4 | -6 | -10 | -10 | -10 | -8 | |
1250 | 1200 | 1350 | 1250 | 1250 | 1100 | 1350 | 1350 | 1000 | 1000 | 1000 | 1050 | 1200 | 1000 | 1050 | 800 | 650 | 900 | |
Cloud base (m) | 2000 | 250 | 650 | 700 | 350 | 500 | 50 | 200 | 0 | 150 | 300 | 200 | 0 | 200 | 1550 | |||
 | 8:18 | — | — | 8:18 | — | — | 8:15 | — | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — |
 | — | 4:32 | — | — | 4:35 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:42 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Tue night. Temperatures will be slightly above freezing (max 3°C on Mon morning, min 1°C on Mon night). Winds increasing (light winds from the S on Sun morning, stormy winds from the SSE by Tue afternoon).
Pen yr Helgi Du Weather (Days 3-6):
A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 2°C on Wed morning, min -1°C on Fri morning). Winds increasing (fresh winds from the SSE on Wed night, severe gales from the SE by Fri 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 |  | ||||
RhylNO2 | |||||
Valley RAF Airport | |
* 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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