– Lat/Long: 52.81° N 3.99° W
Y Llethr Weather Forecast
Snowdonia · United KingdomIssued: 6 pm Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
2 Y Llethr Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 26mm), heaviest during Tue night. Very mild (max 18°C on Tue afternoon, min 8°C on Wed night). Winds decreasing (gales from the SSE on Tue afternoon, moderate winds from the SW by Wed night). | Days 5–7 Weather SummaryModerate rain (total 18mm), heaviest on Fri night. Very mild (max 11°C on Fri afternoon, min 10°C on Fri night). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the WSW by Sat morning). | ||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | | | | | | | | | |
light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 3100 | 250 | 700 | 2450 | 350 | 350 | 6850 | 800 | 200 | 250 | 300 | 250 | 450 | 350 | 250 | 250 | 250 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 10 | 0.7 | 1.7 | 3 | 1.6 | 0.4 | 0.9 | 7 | 4 | 10 | 2 | 0.4 | 0.2 | 0.4 | 0.8 | 0.1 |
max °C | 18 | 15 | 11 | 10 | 8 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 |
min °C | 16 | 9 | 10 | 9 | 8 | 8 | 8 | 8 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 10 |
chill °C | 14 | 5 | 6 | 5 | 4 | 5 | 4 | 4 | 8 | 7 | 8 | 9 | 8 | 8 | 8 | 8 | 7 |
Freezing level m | 3350 | 3350 | 2350 | 2250 | 2100 | 2000 | 2000 | 2550 | 2650 | 2650 | 2700 | 2650 | 2900 | 3250 | 3450 | 3700 | 3750 |
 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — |
 | 6:59 | — | — | 6:55 | — | — | 6:53 | — | — | 6:52 | — | — | 6:49 | — | — | 6:46 | — |
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Y Llethr Weather (Days 0-3):
The weather forecast for Y Llethr is: Heavy rain (total 26mm), heaviest during Tue night. Very mild (max 18°C on Tue afternoon, min 8°C on Wed night). Winds decreasing (gales from the SSE on Tue afternoon, moderate winds from the SW by Wed night).
Y Llethr Weather (Days 3-6):
Moderate rain (total 18mm), heaviest on Fri night. Very mild (max 11°C on Fri afternoon, min 10°C on Fri night). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the WSW by Sat morning).
This table gives the weather forecast for Y Llethr at the specific elevation of 756 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Y Llethr. 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 |
* 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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