– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 pm Mon 07 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 pm Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Mon 07 Sep 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 Mon night. Very mild (max 11°C on Mon afternoon, min 6°C on Mon night). Winds decreasing (near gales from the WSW on Mon night, light winds from the W by Wed afternoon). | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Sat afternoon. Very mild (max 12°C on Sat morning, min 9°C on Thu night). Winds decreasing (strong winds from the SW on Thu afternoon, calm by Fri night). | ||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||
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 | light rain | rain shwrs | some clouds | rain shwrs | light rain | rain shwrs | rain shwrs | clear | some clouds | light rain | mod. rain | rain shwrs | |
Cloud base (m) | 200 | 600 | 650 | 600 | 550 | 550 | 1600 | 2350 | 150 | 200 | 800 | 3000 | 150 | 250 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.9 | 7 | 0.4 | 1 | 0.5 | 0.1 | 0.2 | — | 0.1 | 0.8 | 1.7 | 0.8 | — | — | 0.1 | 6 | 1.8 |
max °C | 11 | 9 | 7 | 8 | 8 | 7 | 8 | 7 | 10 | 11 | 11 | 9 | 10 | 10 | 12 | 12 | 12 |
min °C | 10 | 6 | 7 | 8 | 6 | 7 | 8 | 7 | 10 | 10 | 9 | 9 | 9 | 9 | 11 | 12 | 9 |
chill °C | 5 | 1 | 2 | 3 | 1 | 3 | 5 | 4 | 7 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 5 |
Freezing level m | 2850 | 2300 | 1950 | 2000 | 2450 | 3350 | 3450 | 3300 | 3200 | 3200 | 2850 | 3300 | 3350 | 3600 | 3600 | 3350 | 3200 |
 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — |
 | 7:52 | — | — | 7:49 | — | — | 7:46 | — | — | 7:44 | — | — | 7:42 | — | — | 7:39 | — |
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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 Mon night. Very mild (max 11°C on Mon afternoon, min 6°C on Mon night). Winds decreasing (near gales from the WSW on Mon night, light winds from the W by Wed afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Sat afternoon. Very mild (max 12°C on Sat morning, min 9°C on Thu night). Winds decreasing (strong winds from the SW on Thu afternoon, calm by Fri 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 |  | ||||
SHIP9596 | |||||
SHIP8246 | |||||
SHIP6064 |
* 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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