– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du Weather Forecast
Snowdonia · United KingdomIssued: 12 pm Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 12 pm Mon 28 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 20mm), heaviest on Tue night. Very mild (max 16°C on Tue afternoon, min 7°C on Wed night). Winds increasing (light winds from the SSE on Mon afternoon, gales from the S by Tue night). | Days 4–6 Weather SummaryModerate rain (total 10mm), heaviest on Fri morning. Very mild (max 10°C on Thu night, min 8°C on Thu morning). Winds decreasing (near gales from the SSW on Fri morning, light winds from the WSW by Sat night). | |||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | | | |  | | |  | | | |
clear | clear | some clouds | rain shwrs | some clouds | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | rain shwrs | mod. rain | rain shwrs | rain shwrs | cloudy | clear | some clouds | |
Cloud base (m) | 8450 | 8450 | 150 | 150 | 700 | 3550 | 2300 | 750 | 250 | 5800 | 5250 | 5700 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.1 | — | 18 | 0.6 | 0.9 | 0.3 | — | — | 0.2 | 8 | 1.9 | 0.2 | — | — | — |
max °C | 8 | 9 | 10 | 14 | 16 | 15 | 11 | 10 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 10 | 10 | 9 |
min °C | 8 | 8 | 8 | 12 | 16 | 11 | 11 | 9 | 7 | 8 | 9 | 9 | 10 | 9 | 8 | 9 | 9 | 9 |
chill °C | 6 | 5 | 5 | 9 | 14 | 7 | 7 | 5 | 4 | 4 | 5 | 5 | 5 | 6 | 5 | 7 | 7 | 8 |
Freezing level m | 2200 | 2700 | 3400 | 3550 | 3350 | 3450 | 2550 | 2400 | 2200 | 2050 | 2250 | 2650 | 2650 | 2500 | 2400 | 2650 | 2600 | 2900 |
 | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | 7:00 | — | — | 6:58 | — | — | 6:55 | — | — | 6:53 | — | — | 6:51 | — | — | 6:49 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 20mm), heaviest on Tue night. Very mild (max 16°C on Tue afternoon, min 7°C on Wed night). Winds increasing (light winds from the SSE on Mon afternoon, gales from the S by Tue night).
Pen yr Helgi Du Weather (Days 3-6):
Moderate rain (total 10mm), heaviest on Fri morning. Very mild (max 10°C on Thu night, min 8°C on Thu morning). Winds decreasing (near gales from the SSW on Fri morning, light winds from the WSW 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 |  | ||||
Valley RAF Airport |  | ||||
BARCIAL | |||||
HORNACHOS IM2 | |||||
SHIP10859 |
* 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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