– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 6 am Thu 20 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Thu 20 Aug 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 10mm), heaviest on Fri morning. Very mild (max 10°C on Sat morning, min 7°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 17°C on Tue afternoon, min 10°C on Sun morning). Winds increasing (calm on Sun afternoon, strong winds from the SE by Tue morning). | |||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | | | |  |  | | | | |
risk tstorm | rain shwrs | rain shwrs | light rain | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | light rain | some clouds | rain shwrs | |
Cloud base (m) | 1850 | 350 | 700 | 800 | 1900 | 2550 | 400 | 8450 | 8750 | 9200 | 9400 | 2250 | 2150 | 2100 | 2300 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | 1.1 | 1.8 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | 0.1 | — | 0.6 |
max °C | 9 | 9 | 8 | 9 | 9 | 8 | 10 | 10 | 9 | 10 | 11 | 10 | 14 | 16 | 13 | 16 | 17 | 15 |
min °C | 9 | 9 | 7 | 8 | 9 | 7 | 9 | 10 | 8 | 10 | 11 | 10 | 13 | 15 | 12 | 14 | 16 | 13 |
chill °C | 6 | 6 | 5 | 8 | 7 | 4 | 7 | 8 | 6 | 9 | 11 | 9 | 12 | 13 | 10 | 11 | 14 | 11 |
Freezing level m | 2250 | 2200 | 2000 | 1950 | 2100 | 2100 | 2400 | 2650 | 2650 | 2800 | 3150 | 3250 | 3200 | 3400 | 3450 | 3300 | 3200 | 3250 |
 | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:11 | — | — |
 | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Moderate rain (total 10mm), heaviest on Fri morning. Very mild (max 10°C on Sat morning, min 7°C on Thu night). Wind will be generally light.
Pen yr Helgi Du Weather (Days 3-6):
Mostly dry. Very mild (max 17°C on Tue afternoon, min 10°C on Sun morning). Winds increasing (calm on Sun afternoon, strong winds from the SE by Tue morning).
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 | |||||
SHIP3345 |
* 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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