– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 11 am Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Fri 13 Nov 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 3mm) at first, then becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun morning, min -2°C on Sun night). Winds increasing (light winds from the WNW on Fri morning, strong winds from the N by Sun night). | Days 4–6 Weather SummaryA dusting of snow giving way to moderate rain (total 18mm) heaviest on Mon night. Freeze-thaw conditions (max 6°C on Mon night, min -2°C on Mon morning). Winds decreasing (gales from the WNW on Tue morning, calm by Tue night). | |||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  |  | |  |  | | | | | |  | |
cloudy | some clouds | some clouds | clear | some clouds | light rain | light rain | snow shwrs | light snow | some clouds | light snow | heavy rain | light snow | light rain | light rain | some clouds | some clouds | clear | |
Cloud base (m) | 500 | 500 | 600 | 500 | 500 | 550 | 400 | 100 | 100 | 550 | 500 | 50 | 50 | 450 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | 1 | 2 | — | 1 | — | 1 | — | — | — | — | — |
mm | — | — | — | — | — | 0.5 | 0.8 | 1.8 | — | — | — | 15 | 2 | 0.9 | 0.1 | — | — | — |
max °C | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 4 | -1 | -1 | 1 | 6 | 3 | 2 | 2 | 0 | 0 | 0 |
min °C | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 2 | -2 | -2 | 0 | 2 | 2 | 2 | 1 | 0 | 0 | -1 |
chill °C | -3 | -3 | -3 | -5 | -5 | -4 | -2 | -5 | -9 | -7 | -4 | -6 | -5 | -4 | 1 | -3 | -7 | -8 |
Freezing level m | 900 | 1000 | 1100 | 1000 | 1200 | 1550 | 1650 | 1400 | 650 | 600 | 800 | 2550 | 1300 | 1200 | 1150 | 900 | 850 | 750 |
 | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — |
 | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:17 | — | — | 4:16 | — | — | 4:15 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun morning, min -2°C on Sun night). Winds increasing (light winds from the WNW on Fri morning, strong winds from the N by Sun night).
Pen yr Helgi Du Weather (Days 3-6):
A dusting of snow giving way to moderate rain (total 18mm) heaviest on Mon night. Freeze-thaw conditions (max 6°C on Mon night, min -2°C on Mon morning). Winds decreasing (gales from the WNW on Tue morning, calm by Tue 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 |  | ||||
BARCIAL | |||||
HORNACHOS IM2 | |||||
SHIP7013 |
* 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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