– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 6 pm Thu 10 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Thu 10 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 12mm), heaviest on Sat morning. Very mild (max 14°C on Sat morning, min 9°C on Thu night). Winds decreasing (near gales from the SW on Thu afternoon, light winds from the WSW by Fri night). | Days 5–7 Weather SummaryModerate rain (total 14mm), heaviest on Mon morning. Very mild (max 16°C on Mon afternoon, min 8°C on Tue night). Winds increasing (light winds from the WSW on Sun afternoon, strong winds from the SW by Mon night). | ||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | | | | | | | | | | |
light rain | rain shwrs | rain shwrs | some clouds | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | rain shwrs | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 100 | 1600 | 200 | 500 | 4050 | 200 | 200 | 200 | 200 | 550 | 350 | 250 | 850 | 350 | 1700 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 1 | 0.4 | — | 0.1 | 5 | 1.9 | 1.1 | 0.2 | 0.2 | 0.1 | 3 | — | 1.5 | 4 | 1.4 | 3 |
max °C | 12 | 11 | 10 | 10 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 15 | 16 | 15 | 11 | 10 | 9 |
min °C | 12 | 9 | 9 | 10 | 10 | 14 | 14 | 12 | 12 | 13 | 13 | 15 | 15 | 12 | 10 | 10 | 8 |
chill °C | 8 | 6 | 6 | 8 | 8 | 11 | 11 | 10 | 10 | 11 | 11 | 13 | 13 | 9 | 7 | 7 | 4 |
Freezing level m | 3200 | 3100 | 3350 | 3650 | 3900 | 3650 | 3700 | 3750 | 3650 | 3900 | 4000 | 3750 | 4000 | 3750 | 2900 | 2400 | 2250 |
 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — |
 | 7:44 | — | — | 7:42 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:31 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 12mm), heaviest on Sat morning. Very mild (max 14°C on Sat morning, min 9°C on Thu night). Winds decreasing (near gales from the SW on Thu afternoon, light winds from the WSW by Fri night).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 14mm), heaviest on Mon morning. Very mild (max 16°C on Mon afternoon, min 8°C on Tue night). Winds increasing (light winds from the WSW on Sun afternoon, strong winds from the SW 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 |  | ||||
Valley RAF Airport | | ||||
SHIP4530 | |||||
SHIP10274 | |||||
SHIP1509 |
* 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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