– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 12 am Mon 03 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Mon 03 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Mon 03 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 6mm), mostly falling on Wed morning. Very mild (max 19°C on Mon afternoon, min 9°C on Tue night). Winds increasing (light winds from the S on Mon night, near gales from the WSW by Wed afternoon). | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Very mild (max 12°C on Fri afternoon, min 8°C on Wed night). Winds decreasing (strong winds from the W on Wed night, light winds from the WSW by Thu night). | ||||||||||||||||||
Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | | | | |  | |  | | | |
some clouds | some clouds | light rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | some clouds | clear | some clouds | cloudy | light rain | rain shwrs | |
Cloud base (m) | 2700 | 3400 | 2650 | 250 | 500 | 650 | 1650 | 1550 | 200 | 550 | 750 | 6600 | 2350 | 900 | 200 | 500 | |||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 0.3 | 1.1 | 0.8 | 0.7 | 1.5 | 1 | 0.3 | 1.5 | 0.7 | 1 | 0.1 | — | — | — | — | 0.1 | 0.1 |
max °C | 13 | 17 | 19 | 16 | 15 | 14 | 12 | 10 | 10 | 9 | 10 | 10 | 9 | 11 | 12 | 10 | 11 | 12 | 11 |
min °C | 13 | 15 | 16 | 14 | 14 | 13 | 9 | 9 | 10 | 8 | 9 | 10 | 8 | 10 | 12 | 10 | 11 | 12 | 11 |
chill °C | 11 | 14 | 15 | 12 | 12 | 10 | 5 | 4 | 5 | 4 | 5 | 7 | 5 | 8 | 10 | 7 | 8 | 9 | 8 |
Freezing level m | 3150 | 3450 | 3200 | 3600 | 3600 | 3600 | 3350 | 2850 | 2600 | 2450 | 2350 | 2750 | 2950 | 2600 | 2700 | 2900 | 3200 | 3250 | 3350 |
 | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — | 5:43 | — | — |
 | — | — | 9:07 | — | — | 9:05 | — | — | 9:04 | — | — | 9:01 | — | — | 9:00 | — | — | 8:58 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Light rain (total 6mm), mostly falling on Wed morning. Very mild (max 19°C on Mon afternoon, min 9°C on Tue night). Winds increasing (light winds from the S on Mon night, near gales from the WSW by Wed afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Wed night. Very mild (max 12°C on Fri afternoon, min 8°C on Wed night). Winds decreasing (strong winds from the W on Wed night, light winds from the WSW by Thu 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 | |||||
SHIP8495 | |||||
SHIP2001 |
* 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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