– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 am Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Sun 18 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 17mm), heaviest on Tue afternoon. Mild temperatures (max 8°C on Mon afternoon, min 3°C on Sat night). Winds increasing (light winds from the ENE on Sat night, fresh winds from the ENE by Sun night). | Days 5–7 Weather SummaryHeavy rain (total 26mm), mostly on Thu night. Becoming colder with a light covering of snow, mostly falling on Fri morning. Mild temperatures (max 8°C on Thu night, min 1°C on Fri morning). Winds increasing (moderate winds from the SSW on Tue night, extremely windy from the WNW by Fri morning). | |||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  |  | |  | | | | |  | |
clear | clear | some clouds | rain shwrs | rain shwrs | some clouds | mod. rain | light rain | mod. rain | rain shwrs | light snow | rain shwrs | rain shwrs | rain shwrs | light rain | heavy rain | |
Cloud base (m) | 800 | 800 | 800 | 450 | 300 | 500 | 700 | 100 | 50 | 450 | 100 | 650 | 750 | 1450 | 100 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
mm | — | — | — | 0.4 | 0.5 | — | 6 | 4 | 6 | 4 | 0.6 | 2 | 3 | 1 | 0.1 | 15 |
max °C | 5 | 4 | 4 | 5 | 7 | 8 | 7 | 7 | 6 | 6 | 2 | 3 | 3 | 4 | 5 | 8 |
min °C | 3 | 3 | 4 | 4 | 5 | 7 | 6 | 7 | 5 | 2 | 2 | 3 | 3 | 4 | 4 | 4 |
chill °C | 0 | -1 | 0 | -1 | 0 | 3 | 1 | 2 | 2 | -5 | -6 | -5 | -3 | -2 | -1 | -2 |
Freezing level m | 1900 | 1450 | 1300 | 1850 | 1950 | 2350 | 2300 | 2400 | 2100 | 1800 | 1050 | 1200 | 1250 | 1300 | 1450 | 1950 |
 | — | 7:46 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:54 | — | — |
 | — | — | 6:14 | — | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 17mm), heaviest on Tue afternoon. Mild temperatures (max 8°C on Mon afternoon, min 3°C on Sat night). Winds increasing (light winds from the ENE on Sat night, fresh winds from the ENE by Sun night).
Pen yr Helgi Du Weather (Days 3-6):
Heavy rain (total 26mm), mostly on Thu night. Becoming colder with a light covering of snow, mostly falling on Fri morning. Mild temperatures (max 8°C on Thu night, min 1°C on Fri morning). Winds increasing (moderate winds from the SSW on Tue night, extremely windy from the WNW by Fri 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 |  | ||||
SHIP2546 | |||||
SHIP7375 | |||||
SHIP4258 | |||||
SHIP9974 | |||||
SHIP5672 |
* 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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