– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Tue 15 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Tue 15 Sep Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 13mm), heaviest on Wed night. Very mild (max 10°C on Wed night, min 6°C on Thu morning). Winds increasing (moderate winds from the W on Wed morning, strong winds from the W by Thu morning). | Days 4–6 Weather SummaryLight rain (total 4mm), mostly falling on Fri afternoon. Very mild (max 13°C on Sun night, min 8°C on Fri morning). Winds decreasing (strong winds from the W on Sat morning, light winds from the W by Sun night). | |||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||
AM | 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 | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | some clouds | some clouds | rain shwrs | |
Cloud base (m) | 300 | 600 | 550 | 300 | 850 | 2350 | 850 | 550 | 1600 | 400 | 2000 | 100 | 450 | 700 | 9500 | 3000 | 1000 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.8 | 2 | 1.8 | 0.6 | 0.2 | 5 | 0.6 | 0.8 | 0.4 | 0.3 | 1.4 | 1.7 | 0.4 | 0.4 | — | — | — | 0.1 |
max °C | 9 | 9 | 8 | 8 | 8 | 10 | 7 | 8 | 7 | 9 | 11 | 12 | 10 | 10 | 9 | 11 | 12 | 13 |
min °C | 9 | 9 | 7 | 8 | 8 | 8 | 6 | 7 | 6 | 8 | 10 | 10 | 10 | 9 | 8 | 9 | 12 | 12 |
chill °C | 5 | 5 | 3 | 5 | 4 | 3 | 0 | 2 | 1 | 4 | 6 | 6 | 6 | 5 | 4 | 6 | 9 | 10 |
Freezing level m | 2500 | 2300 | 2250 | 2350 | 3200 | 3000 | 1950 | 2250 | 2700 | 3100 | 3000 | 3400 | 3500 | 3550 | 3250 | 3300 | 3700 | 3800 |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — |
 | — | 7:31 | — | — | 7:30 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 13mm), heaviest on Wed night. Very mild (max 10°C on Wed night, min 6°C on Thu morning). Winds increasing (moderate winds from the W on Wed morning, strong winds from the W by Thu morning).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Fri afternoon. Very mild (max 13°C on Sun night, min 8°C on Fri morning). Winds decreasing (strong winds from the W on Sat morning, light winds from the W by Sun 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 | |||||
SHIP1125 | |||||
SHIP2560 |
* 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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