– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 11 pm Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 6mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 5°C on Sun morning, min -1°C on Sun night). Mainly strong winds. | Days 5–7 Weather SummaryHeavy rain (total 58mm), heaviest during Mon night. Later becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 8°C on Mon night, min -1°C on Wed night). Winds decreasing (gales from the S on Mon night, light winds from the NNW by Thu afternoon). | |||||||||||||||
Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | |  |  | | |  |  | | |
some clouds | clear | some clouds | cloudy | light rain | light rain | snow shwrs | cloudy | light rain | heavy rain | rain shwrs | rain shwrs | heavy rain | heavy rain | snow shwrs | snow shwrs | |
Cloud base (m) | 650 | 500 | 500 | 550 | 600 | 400 | 100 | 300 | 450 | 250 | 1200 | 150 | 150 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | 1 | 2 |
mm | — | — | — | — | 0.2 | 4 | — | — | 3 | 28 | 2 | 1.8 | 12 | 11 | 2 | — |
max °C | 2 | 3 | 3 | 4 | 5 | 5 | 2 | 0 | 2 | 8 | 4 | 4 | 5 | 5 | 5 | 0 |
min °C | 1 | 1 | 2 | 3 | 5 | 2 | -1 | -1 | 1 | 5 | 4 | 4 | 4 | 5 | 1 | -1 |
chill °C | -3 | -5 | -5 | -4 | 0 | -5 | -6 | -4 | -3 | -2 | -3 | -3 | -3 | -1 | -7 | -8 |
Freezing level m | 1200 | 1000 | 1200 | 1500 | 1800 | 1650 | 900 | 650 | 1050 | 2850 | 1350 | 1450 | 1550 | 1650 | 1600 | 900 |
 | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — |
 | — | — | 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 6mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 5°C on Sun morning, min -1°C on Sun night). Mainly strong winds.
Pen yr Helgi Du Weather (Days 3-6):
Heavy rain (total 58mm), heaviest during Mon night. Later becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 8°C on Mon night, min -1°C on Wed night). Winds decreasing (gales from the S on Mon night, light winds from the NNW by Thu 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 | |||||
SHIP1123 |
* 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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