– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 pm Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Tue night. Very mild (max 15°C on Mon afternoon, min 8°C on Wed morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 13°C on Thu afternoon, min 8°C on Wed afternoon). Winds increasing (calm on Wed night, fresh winds from the WSW by Sat morning). | ||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | |  |  | | | | | | |  |  | |
some clouds | some clouds | some clouds | clear | clear | rain shwrs | rain shwrs | rain shwrs | light rain | clear | clear | clear | some clouds | clear | clear | cloudy | light rain | |
Cloud base (m) | 2300 | 300 | 900 | 8950 | 200 | 450 | 5700 | 5550 | 9100 | 1650 | |||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.1 | 0.2 | 0.7 | 0.8 | — | — | — | — | — | — | — | 0.4 |
max °C | 10 | 11 | 14 | 15 | 13 | 13 | 14 | 12 | 9 | 9 | 9 | 12 | 13 | 12 | 13 | 13 | 12 |
min °C | 10 | 10 | 12 | 14 | 12 | 13 | 13 | 11 | 8 | 8 | 8 | 10 | 12 | 11 | 12 | 12 | 9 |
chill °C | 8 | 8 | 10 | 13 | 10 | 12 | 12 | 9 | 5 | 5 | 8 | 8 | 10 | 8 | 10 | 10 | 6 |
Freezing level m | 3750 | 3750 | 3950 | 4000 | 3950 | 3650 | 3600 | 3150 | 2600 | 2700 | 3650 | 3750 | 3800 | 3800 | 3500 | 3200 | 3000 |
 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | 7:20 | — | — | 7:17 | — | — | 7:15 | — | — | 7:13 | — | — | 7:09 | — | — | 7:07 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Some drizzle, heaviest during Tue night. Very mild (max 15°C on Mon afternoon, min 8°C on Wed morning). Wind will be generally light.
Pen yr Helgi Du Weather (Days 3-6):
Mostly dry. Very mild (max 13°C on Thu afternoon, min 8°C on Wed afternoon). Winds increasing (calm on Wed night, fresh winds from the WSW by Sat 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 | |||||
SHIP2399 | |||||
SHIP7133 |
* 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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