– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 pm Mon 24 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 pm Mon 24 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Mon 24 Aug 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 10mm), mostly falling on Thu morning. Very mild (max 16°C on Wed afternoon, min 10°C on Mon night). Winds decreasing (fresh winds from the ESE on Tue night, light winds from the SE by Thu morning). | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Thu afternoon. Very mild (max 13°C on Thu afternoon, min 9°C on Fri night). Winds increasing (light winds from the SW on Thu afternoon, strong winds from the SSW by Sun morning). | ||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | |  | | | | | | | | | |
some clouds | some clouds | some clouds | cloudy | rain shwrs | rain shwrs | risk tstorm | rain shwrs | light rain | rain shwrs | some clouds | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 6900 | 6400 | 450 | 3000 | 1950 | 1650 | 600 | 100 | 5900 | 2750 | 550 | 750 | 2150 | 400 | 550 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 2 | 0.4 | 1.8 | 1.7 | 3 | 7 | — | 0.1 | 0.5 | 1.3 | 0.2 | 1.4 | 0.8 |
max °C | 13 | 11 | 13 | 15 | 15 | 15 | 16 | 15 | 14 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 11 |
min °C | 13 | 10 | 12 | 15 | 12 | 13 | 16 | 14 | 13 | 12 | 11 | 12 | 12 | 9 | 11 | 12 | 10 |
chill °C | 11 | 8 | 9 | 13 | 10 | 11 | 15 | 12 | 12 | 11 | 8 | 9 | 9 | 5 | 8 | 10 | 7 |
Freezing level m | 3300 | 3350 | 3200 | 3150 | 3100 | 3200 | 3300 | 3400 | 3200 | 3150 | 2950 | 2950 | 3000 | 2800 | 2900 | 3000 | 3200 |
 | — | — | 6:11 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — |
 | 8:23 | — | — | 8:22 | — | — | 8:20 | — | — | 8:16 | — | — | 8:15 | — | — | 8:13 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 10mm), mostly falling on Thu morning. Very mild (max 16°C on Wed afternoon, min 10°C on Mon night). Winds decreasing (fresh winds from the ESE on Tue night, light winds from the SE by Thu morning).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Thu afternoon. Very mild (max 13°C on Thu afternoon, min 9°C on Fri night). Winds increasing (light winds from the SW on Thu afternoon, strong winds from the SSW by Sun 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 |  | ||||
SHIP8399 | |||||
Valley RAF Airport | | ||||
SHIP5120 | |||||
SHIP7688 |
* 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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