– Lat/Long: 53.15° N 3.95° W
Pen yr Helgi Du
Weather Forecast, United KingdomIssued: 12 am Sat 15 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Sat 15 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Sat 15 Aug Local Time
Updates in:
Update imminent hr min s
2 Pen yr Helgi Du Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 14°C on Mon afternoon, min 10°C on Sat night). Winds increasing (light winds from the NW on Fri night, fresh winds from the W by Mon afternoon). | Days 5–7 Weather SummaryHeavy rain (total 24mm), heaviest during Mon night. Very mild (max 14°C on Mon night, min 8°C on Wed morning). Winds increasing (light winds from the WNW on Tue night, strong winds from the WSW by Wed night). | |||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  | |  | | | | | | | |
some clouds | some clouds | some clouds | some clouds | rain shwrs | cloudy | light rain | light rain | cloudy | mod. rain | rain shwrs | cloudy | mod. rain | rain shwrs | rain shwrs | light rain | |
Cloud base (m) | 200 | 300 | 5800 | 3100 | 2050 | 1750 | 450 | 450 | 700 | 450 | 100 | 650 | 800 | 150 | 800 | 1500 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 0.1 | — | 0.2 | 0.1 | — | 10 | 0.5 | — | 8 | 0.8 | 0.4 | 1.4 |
max °C | 13 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 13 | 11 | 9 | 9 | 9 |
min °C | 11 | 11 | 12 | 10 | 11 | 12 | 11 | 12 | 13 | 14 | 13 | 13 | 9 | 8 | 9 | 8 |
chill °C | 9 | 9 | 10 | 9 | 9 | 10 | 9 | 10 | 11 | 11 | 10 | 11 | 5 | 4 | 5 | 3 |
Freezing level m | 3750 | 3650 | 3550 | 3450 | 3200 | 3300 | 3700 | 3550 | 4050 | 4000 | 3850 | 3650 | 2500 | 2800 | 2300 | 2300 |
 | — | 5:54 | — | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — |
 | — | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — | — | 8:37 | — | — | 8:35 | — |
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Pen yr Helgi Du Weather (Days 0-3):
The weather forecast for Pen yr Helgi Du is: Mostly dry. Very mild (max 14°C on Mon afternoon, min 10°C on Sat night). Winds increasing (light winds from the NW on Fri night, fresh winds from the W by Mon afternoon).
Pen yr Helgi Du Weather (Days 3-6):
Heavy rain (total 24mm), heaviest during Mon night. Very mild (max 14°C on Mon night, min 8°C on Wed morning). Winds increasing (light winds from the WNW on Tue night, strong winds from the WSW by Wed 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 | |||||
SHIP6364 | |||||
SHIP7957 |
* 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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