– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 pm Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 14mm), heaviest on Thu night. Very mild (max 12°C on Thu night, min 4°C on Fri night). Winds decreasing (gales from the W on Thu night, light winds from the W by Sun morning). | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Mon night. Very mild (max 14°C on Mon night, min 6°C on Sun afternoon). Winds increasing (light winds from the SW on Sun afternoon, gales from the SW by Wed morning). | ||||||||||||||||
Thu 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | |  |  | | | | | | | |
light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | some clouds | some clouds | some clouds | some clouds | mod. rain | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 1600 | 100 | 100 | 1550 | 700 | 350 | 450 | 650 | 800 | 6400 | 9450 | 700 | 100 | 300 | 2200 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | 6 | 0.8 | 0.7 | 1.1 | 1.1 | 1.4 | 0.8 | 0.2 | — | — | — | — | 7 | 0.5 | 0.1 | 0.4 |
max °C | 7 | 12 | 10 | 6 | 5 | 4 | 5 | 4 | 6 | 7 | 10 | 12 | 13 | 14 | 10 | 10 | 10 |
min °C | 6 | 11 | 7 | 5 | 4 | 4 | 5 | 4 | 5 | 6 | 6 | 11 | 12 | 12 | 10 | 9 | 9 |
chill °C | 1 | 7 | 2 | -1 | -3 | -2 | -1 | -2 | 3 | 3 | 3 | 8 | 9 | 8 | 6 | 5 | 4 |
Freezing level m | 2850 | 3200 | 2650 | 1750 | 1500 | 1300 | 1450 | 1400 | 1550 | 2150 | 3150 | 3350 | 3650 | 3700 | 3100 | 3000 | 3150 |
 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — |
 | 6:37 | — | — | 6:35 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:24 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 14mm), heaviest on Thu night. Very mild (max 12°C on Thu night, min 4°C on Fri night). Winds decreasing (gales from the W on Thu night, light winds from the W by Sun morning).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Mon night. Very mild (max 14°C on Mon night, min 6°C on Sun afternoon). Winds increasing (light winds from the SW on Sun afternoon, gales from the SW by Wed morning).
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 | |||||
SHIP5546 |
* 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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