– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Tue 29 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 19mm), heaviest on Tue night. Very mild (max 17°C on Tue afternoon, min 7°C on Wed night). Winds decreasing (gales from the S on Tue night, moderate winds from the SW by Wed night). | Days 4–6 Weather SummaryLight rain (total 9mm), mostly falling on Fri afternoon. Very mild (max 12°C on Sun afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, light winds from the W by Sat night). | |||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  | | | | | | |  | | | | |
clear | light rain | heavy rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 150 | 700 | 400 | 2250 | 2600 | 250 | 200 | 850 | 1900 | 250 | 2800 | 650 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.3 | 12 | 0.2 | 0.7 | 0.8 | 0.5 | — | 4 | 4 | 3 | 1.1 | 0.8 | 0.3 | — | — | — | — |
max °C | 16 | 17 | 15 | 10 | 10 | 8 | 8 | 9 | 9 | 10 | 11 | 10 | 10 | 10 | 9 | 11 | 12 | 11 |
min °C | 13 | 16 | 10 | 10 | 9 | 7 | 8 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 |
chill °C | 10 | 13 | 5 | 5 | 4 | 3 | 4 | 4 | 5 | 6 | 7 | 6 | 7 | 8 | 8 | 7 | 8 | 8 |
Freezing level m | 3550 | 3400 | 3450 | 2450 | 2350 | 2150 | 2000 | 2100 | 2600 | 2500 | 2600 | 2600 | 2500 | 3050 | 3200 | 3200 | 3150 | 3350 |
 | 7:11 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — |
 | — | 6:58 | — | — | 6:55 | — | — | 6:53 | — | — | 6:51 | — | — | 6:49 | — | — | 6:45 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 19mm), heaviest on Tue night. Very mild (max 17°C on Tue afternoon, min 7°C on Wed night). Winds decreasing (gales from the S on Tue night, moderate winds from the SW by Wed night).
Pen yr Helgi Du Weather (Days 3-6):
Light rain (total 9mm), mostly falling on Fri afternoon. Very mild (max 12°C on Sun afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, light winds from the W 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 |  | ||||
SHIP6300 | |||||
Valley RAF Airport |  | ||||
SHIP1757 | |||||
SHIP3584 |
* 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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