– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 am Wed 02 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Wed 02 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Wed 02 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 23mm), heaviest during Thu night. Very mild (max 14°C on Wed afternoon, min 7°C on Fri night). Winds decreasing (strong winds from the W on Fri morning, moderate winds from the WNW by Fri night). | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Mon afternoon. Very mild (max 17°C on Sun morning, min 6°C on Mon night). Winds increasing (light winds from the SSW on Sat night, near gales from the W by Mon night). | |||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  | |  |  | | | | | | | |
light rain | rain shwrs | rain shwrs | rain shwrs | light rain | heavy rain | some clouds | rain shwrs | clear | some clouds | clear | some clouds | some clouds | some clouds | rain shwrs | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 150 | 100 | 250 | 450 | 100 | 5900 | 700 | 2000 | 4250 | 6200 | 600 | 6850 | 2650 | 1900 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 0.9 | 0.7 | 0.1 | 1 | 17 | — | 0.1 | — | — | — | — | — | — | 0.4 | 0.1 | 4 | 0.6 |
max °C | 13 | 14 | 14 | 13 | 13 | 11 | 9 | 10 | 9 | 11 | 12 | 13 | 17 | 16 | 13 | 10 | 11 | 7 |
min °C | 11 | 14 | 12 | 12 | 12 | 9 | 9 | 10 | 7 | 9 | 12 | 11 | 15 | 15 | 10 | 10 | 8 | 6 |
chill °C | 8 | 12 | 8 | 9 | 9 | 4 | 4 | 6 | 3 | 6 | 10 | 9 | 13 | 13 | 7 | 7 | 3 | 0 |
Freezing level m | 3250 | 3750 | 3800 | 3750 | 3500 | 2950 | 2600 | 3050 | 3000 | 3500 | 3700 | 3900 | 3700 | 3600 | 3750 | 3400 | 2600 | 2000 |
 | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:55 | — | — | 7:53 | — | — | 7:52 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Heavy rain (total 23mm), heaviest during Thu night. Very mild (max 14°C on Wed afternoon, min 7°C on Fri night). Winds decreasing (strong winds from the W on Fri morning, moderate winds from the WNW by Fri night).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Mon afternoon. Very mild (max 17°C on Sun morning, min 6°C on Mon night). Winds increasing (light winds from the SSW on Sat night, near gales from the W by Mon night).
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 | | ||||
SHIP2651 | |||||
SHIP6350 | |||||
SHIP7614 |
* 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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