– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 am Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Mon 31 Aug 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 8mm), mostly falling on Wed morning. Very mild (max 14°C on Wed afternoon, min 8°C on Mon night). Winds increasing (moderate winds from the W on Mon night, strong winds from the SW by Wed afternoon). | Days 4–6 Weather SummaryLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 14°C on Thu morning, min 8°C on Thu night). Winds decreasing (near gales from the W on Fri morning, light winds from the WSW by Sat night). | |||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  | | | |  | | | | |  | |
light rain | light rain | some clouds | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | clear | rain shwrs | rain shwrs | rain shwrs | clear | clear | |
Cloud base (m) | 100 | 350 | 2750 | 2600 | 2500 | 200 | 550 | 150 | 350 | 2250 | 800 | 150 | 2200 | 2250 | 600 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.1 | 0.2 | — | 0.1 | 0.2 | 0.8 | 4 | 0.9 | 1 | 0.9 | 4 | 3 | — | 0.3 | 0.3 | 0.3 | — | — |
max °C | 9 | 9 | 9 | 12 | 12 | 11 | 12 | 14 | 14 | 14 | 14 | 11 | 9 | 10 | 9 | 9 | 10 | 12 |
min °C | 9 | 9 | 8 | 10 | 11 | 11 | 11 | 13 | 13 | 14 | 11 | 8 | 9 | 10 | 8 | 8 | 10 | 9 |
chill °C | 5 | 5 | 5 | 6 | 8 | 8 | 8 | 10 | 10 | 11 | 7 | 3 | 4 | 5 | 3 | 4 | 7 | 7 |
Freezing level m | 2600 | 2850 | 2550 | 2600 | 2650 | 2750 | 3050 | 3550 | 3700 | 3200 | 2900 | 2850 | 2550 | 2550 | 2500 | 2800 | 3300 | 3750 |
 | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:31 | — | — |
 | — | 8:07 | — | — | 8:06 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:55 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 8mm), mostly falling on Wed morning. Very mild (max 14°C on Wed afternoon, min 8°C on Mon night). Winds increasing (moderate winds from the W on Mon night, strong winds from the SW by Wed afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 14°C on Thu morning, min 8°C on Thu night). Winds decreasing (near gales from the W on Fri morning, light winds from the WSW by Sat 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 |  | ||||
BARCIAL | |||||
HORNACHOS IM2 | |||||
SHIP2841 |
* 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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