– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 5 am Sun 22 Dec Local TimeUpdates in: hr min sUpdate imminent
Pen yr Helgi DuWeather Forecast, United Kingdom
Issued: 5 am Sun 22 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 22 Dec Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA dusting of snow turning to light rain (total 2mm) on Mon night. Freeze-thaw conditions (max 10°C on Tue morning, min -2°C on Sun morning). Winds decreasing (stormy winds from the NW on Sun morning, moderate winds from the W by Mon afternoon). | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 9°C on Wed morning, min 6°C on Fri night). Winds decreasing (fresh winds from the SW on Wed morning, calm by Thu night). | Days 7–9 Weather SummaryLight rain (total 7mm) at first, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Sat morning, min -3°C on Mon night). Winds increasing (light winds from the SSW on Sat morning, stormy winds from the W by Mon night). | Days 10–12 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max -2°C on Tue morning, min -3°C on Tue morning). Winds decreasing (gales from the WNW on Tue morning, calm by Wed afternoon). | |||||||||||||||||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 1 | Thursday 2 | |||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  | | | | | | | | | | | | | | | | |  |  | |  | | | |  | | | | |
light snow | some clouds | some clouds | light rain | rain shwrs | light rain | cloudy | clear | clear | cloudy | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | some clouds | some clouds | light rain | rain shwrs | some clouds | light rain | mod. rain | snow shwrs | some clouds | snow shwrs | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
 |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||
1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 1.0 | — | — | — | — | — | — | — | |
— | — | — | 0.1 | 0.4 | 1.6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.5 | 0.3 | — | 0.1 | 6 | — | — | — | — | — | — | — | — | — | — | |
max°C | -1 | -1 | 0 | 3 | 6 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 4 | 3 | 3 | 3 | 3 | -1 | -2 | -2 | -3 | -2 | -2 | -3 | -3 | -2 | -2 |
min°C | -2 | -1 | -1 | 0 | 4 | 7 | 9 | 10 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 4 | 4 | 3 | 2 | 2 | 3 | -3 | -3 | -2 | -3 | -3 | -3 | -3 | -3 | -3 | -3 |
-12 | -11 | -10 | -7 | -1 | 3 | 6 | 7 | 5 | 5 | 4 | 3 | 4 | 5 | 6 | 6 | 6 | 4 | 4 | 2 | 1 | 1 | 0 | -3 | -4 | -5 | -14 | -14 | -11 | -13 | -11 | -5 | -7 | -9 | -10 | -11 | |
600 | 750 | 750 | 900 | 2250 | 2450 | 2900 | 3100 | 3300 | 3100 | 2950 | 2600 | 2350 | 2250 | 2250 | 2300 | 2250 | 2200 | 2250 | 2150 | 1700 | 1650 | 1350 | 1550 | 1250 | 1300 | 550 | 450 | 550 | 450 | 500 | 550 | 400 | 350 | 450 | 400 | |
Cloud base (m) | 350 | 400 | 600 | 650 | 250 | 200 | 450 | 200 | 300 | 2500 | 650 | 1750 | 1100 | 700 | 1750 | 1850 | 9200 | 450 | 500 | 300 | 300 | 6050 | 950 | 100 | 200 | 700 | 500 | 650 | 750 | 600 | 2400 | 1950 | 1850 | 2650 | ||
 | 8:27 | — | — | 8:29 | — | — | 8:29 | — | — | 8:29 | — | — | 8:29 | — | — | 8:29 | — | — | 8:30 | — | — | 8:30 | — | — | 8:30 | — | — | 8:30 | — | — | 8:29 | — | — | 8:29 | — | — |
 | — | 4:00 | — | — | 4:00 | — | — | 4:01 | — | — | 4:02 | — | — | 4:02 | — | — | 4:04 | — | — | 4:05 | — | — | 4:06 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:09 | — |
Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: A dusting of snow turning to light rain (total 2mm) on Mon night. Freeze-thaw conditions (max 10°C on Tue morning, min -2°C on Sun morning). Winds decreasing (stormy winds from the NW on Sun morning, moderate winds from the W by Mon afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Mostly dry. Mild temperatures (max 9°C on Wed morning, min 6°C on Fri night). Winds decreasing (fresh winds from the SW on Wed morning, calm by Thu night).
Pen yr Helgi Du Weather (Days 6-9):
Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Sat morning, min -3°C on Mon night). Winds increasing (light winds from the SSW on Sat morning, stormy winds from the W by Mon 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 |  | ||||
Valley RAF Airport |  | ||||
SHIP2457 | |||||
SHIP5914 |
* 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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