– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 am Thu 27 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Thu 27 Aug 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 26mm), heaviest during Thu afternoon. Very mild (max 14°C on Thu morning, min 10°C on Sat night). Winds increasing (light winds from the SSE on Thu afternoon, strong winds from the WNW by Sat night). | Days 4–6 Weather SummaryModerate rain (total 10mm), heaviest on Tue morning. Very mild (max 12°C on Sun morning, min 7°C on Tue night). Winds increasing (light winds from the W on Sun night, strong winds from the WSW by Mon night). | |||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | |  | | | |  | |  |  | |
light rain | mod. rain | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | risk tstorm | rain shwrs | light rain | light rain | light rain | rain shwrs | clear | some clouds | |
Cloud base (m) | 850 | 50 | 2750 | 700 | 2050 | 250 | 50 | 100 | 2050 | 750 | 2450 | 200 | 200 | 2450 | 100 | 6600 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 5 | 9 | 1.9 | 0.4 | 0.4 | 2 | 5 | 1.3 | 1 | 0.1 | 3 | 0.2 | 1.2 | 1 | 0.6 | 4 | — | — |
max °C | 14 | 14 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 10 | 10 | 10 | 9 | 10 | 9 | 8 |
min °C | 13 | 13 | 12 | 12 | 13 | 11 | 12 | 12 | 10 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 7 |
chill °C | 11 | 12 | 10 | 10 | 11 | 8 | 9 | 10 | 6 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 3 |
Freezing level m | 3250 | 3100 | 3000 | 2800 | 3100 | 3200 | 3000 | 3050 | 3000 | 2850 | 2750 | 2550 | 2800 | 2800 | 2500 | 2600 | 2500 | 2700 |
 | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 8:16 | — | — | 8:15 | — | — | 8:13 | — | — | 8:09 | — | — | 8:07 | — | — | 8:06 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Heavy rain (total 26mm), heaviest during Thu afternoon. Very mild (max 14°C on Thu morning, min 10°C on Sat night). Winds increasing (light winds from the SSE on Thu afternoon, strong winds from the WNW by Sat night).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 10mm), heaviest on Tue morning. Very mild (max 12°C on Sun morning, min 7°C on Tue night). Winds increasing (light winds from the W on Sun night, strong winds from the WSW 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 |  | ||||
lightning 11km NNW of Dolgellau |  | ||||
| |||||
SHIP5435 | |||||
SHIP4919 | |||||
Valley RAF Airport |  |
* 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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