– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 5 am Sat 17 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sat 17 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sat 17 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 8mm), mostly falling on Sun afternoon. Temperatures will be slightly above freezing (max 4°C on Mon afternoon, min 1°C on Sat morning). Winds increasing (light winds from the S on Sun morning, fresh winds from the SSW by Mon night). | Days 4–6 Weather SummaryA dusting of snow turning to light rain (total 3mm) on Wed night. Freeze-thaw conditions (max 3°C on Tue afternoon, min 0°C on Tue night). Mainly gales. | |||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | |  |  | |  | | | | | |
clear | clear | some clouds | light rain | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | clear | some clouds | snow shwrs | clear | cloudy | rain shwrs | rain shwrs | rain shwrs | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | |
— | — | — | 0.2 | 3 | 0.3 | 1.7 | 1.3 | 1.5 | — | — | 0.1 | — | — | 3 | 0.1 | 0.2 | — | |
max °C | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 4 | 3 | 2 | 3 | 3 | 1 | 2 | 3 | 2 | 2 | 2 |
min °C | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 2 | 1 | 2 | 0 | 0 | 1 | 2 | 2 | 2 | 1 |
-4 | -2 | -2 | -3 | -1 | -1 | -1 | 0 | -4 | -6 | -6 | -7 | -7 | -7 | -5 | -5 | -4 | -8 | |
1100 | 1250 | 1250 | 1300 | 1350 | 1400 | 1450 | 1450 | 1350 | 900 | 1100 | 1200 | 900 | 950 | 1300 | 1050 | 1150 | 1200 | |
Cloud base (m) | 4800 | 6200 | 750 | 150 | 1600 | 100 | 300 | 100 | 100 | 550 | 150 | 350 | 400 | 50 | 350 | 100 | 300 | |
 | 8:19 | — | — | 8:18 | — | — | 8:18 | — | — | 8:15 | — | — | 8:15 | — | — | 8:14 | — | — |
 | — | 4:31 | — | — | 4:32 | — | — | 4:35 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 8mm), mostly falling on Sun afternoon. Temperatures will be slightly above freezing (max 4°C on Mon afternoon, min 1°C on Sat morning). Winds increasing (light winds from the S on Sun morning, fresh winds from the SSW by Mon night).
Pen yr Helgi Du Weather (Days 3-6):
A dusting of snow turning to light rain (total 3mm) on Wed night. Freeze-thaw conditions (max 3°C on Tue afternoon, min 0°C on Tue night). Mainly gales.
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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