– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 am Tue 08 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Tue 08 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Tue 08 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 10mm), mostly falling on Thu night. Very mild (max 11°C on Thu morning, min 6°C on Tue night). Winds increasing (light winds from the SW on Wed night, strong winds from the SW by Thu afternoon). | Days 4–6 Weather SummaryLight rain (total 7mm), mostly falling on Sat night. Very mild (max 14°C on Sat morning, min 8°C on Fri morning). Winds increasing (calm on Fri night, strong winds from the WSW by Sat afternoon). | |||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  | |  | | |  | | | | | | |  | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | rain shwrs | light rain | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | rain shwrs | rain shwrs | light rain | rain shwrs | clear | |
Cloud base (m) | 600 | 500 | 750 | 550 | 750 | 2350 | 350 | 350 | 450 | 800 | 2850 | 300 | 200 | 200 | 250 | 5000 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.4 | 1.5 | 0.4 | 0.4 | 0.1 | — | 0.2 | 2 | 4 | 0.3 | — | — | — | 1.1 | 5 | 0.6 | 0.6 | — |
max °C | 8 | 8 | 7 | 8 | 8 | 8 | 11 | 11 | 11 | 9 | 9 | 10 | 14 | 14 | 13 | 12 | 13 | 13 |
min °C | 7 | 8 | 6 | 7 | 8 | 7 | 9 | 11 | 8 | 8 | 8 | 9 | 13 | 13 | 11 | 12 | 12 | 12 |
chill °C | 2 | 3 | 2 | 4 | 5 | 4 | 5 | 7 | 5 | 5 | 5 | 9 | 10 | 10 | 8 | 10 | 10 | 10 |
Freezing level m | 2100 | 2050 | 2400 | 3300 | 3350 | 3450 | 3250 | 3400 | 3200 | 3400 | 3300 | 3700 | 3600 | 3550 | 3300 | 3500 | 3900 | 4100 |
 | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — |
 | — | 7:49 | — | — | 7:46 | — | — | 7:44 | — | — | 7:42 | — | — | 7:39 | — | — | 7:37 | — |
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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 night. Very mild (max 11°C on Thu morning, min 6°C on Tue night). Winds increasing (light winds from the SW on Wed night, strong winds from the SW by Thu afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 7mm), mostly falling on Sat night. Very mild (max 14°C on Sat morning, min 8°C on Fri morning). Winds increasing (calm on Fri night, strong winds from the WSW by Sat 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 |  | ||||
SHIP15114 | |||||
SHIP2599 | |||||
SHIP9056 |
* 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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