– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 11 pm Tue 10 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Tue 10 Nov Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 5°C on Tue night, min -1°C on Thu morning). Winds decreasing (fresh winds from the NE on Thu morning, light winds from the W by Fri afternoon). | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Mon afternoon. Very mild (max 10°C on Mon afternoon, min 1°C on Fri night). Winds increasing (light winds from the SSE on Sun afternoon, severe gales from the SSW by Mon afternoon). | |||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | |  | | | | | | | |
cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | some clouds | clear | clear | some clouds | |
Cloud base (m) | 650 | 400 | 450 | 600 | 600 | 600 | 6450 | 7950 | 600 | 5350 | 5200 | 4800 | 9150 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 4 | 5 | 4 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 4 | 3 | 4 |
min °C | 5 | 4 | 4 | 1 | -1 | 0 | -1 | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 |
chill °C | 1 | -1 | 1 | -5 | -8 | -6 | -7 | -4 | -2 | -2 | -4 | -2 | -2 | -1 | 1 | 0 |
Freezing level m | 2150 | 1950 | 1900 | 1700 | 750 | 850 | 750 | 850 | 1000 | 1100 | 1150 | 1100 | 1400 | 1650 | 1550 | 2100 |
 | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — |
 | — | — | 4:25 | — | — | 4:23 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Mostly dry. Freeze-thaw conditions (max 5°C on Tue night, min -1°C on Thu morning). Winds decreasing (fresh winds from the NE on Thu morning, light winds from the W by Fri afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Mon afternoon. Very mild (max 10°C on Mon afternoon, min 1°C on Fri night). Winds increasing (light winds from the SSE on Sun afternoon, severe gales from the SSW by Mon 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 |  | ||||
SHIP5095 | |||||
SHIP5661 | |||||
SHIP1092 | |||||
SHIP3305 | |||||
SHIP5901 |
* 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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