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Wet and windy spell to come
After a settled day for many on Saturday the weather is set to turn more unsettled with the potential for more National severe Weather Warnings by mid-week nex…
Read moreY Garn (Gwynedd) weather
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Forecast days
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Today. Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Heavy rain. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Today. Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Heavy rain. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Sunday 24 September. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius. Drizzle changing to cloudy in the afternoon. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Sunday 24 September. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius. Drizzle changing to cloudy in the afternoon. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Monday 25 September. Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Fog changing to cloudy by lunchtime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; No pollen data.Monday 25 September. Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Fog changing to cloudy by lunchtime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; No pollen data.
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Tuesday 26 September. Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Cloudy changing to light rain by late morning. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Tuesday 26 September. Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Cloudy changing to light rain by late morning. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Wednesday 27 September. Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Cloudy changing to heavy rain by late morning. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.Wednesday 27 September. Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Cloudy changing to heavy rain by late morning. Sunrise: ; Sunset: . UV: Low; Pollution: Low; No pollen data.
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Thursday 28 September. Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Partly cloudy changing to light showers in the afternoon. Sunrise: ; Sunset: . UV: Low;Thursday 28 September. Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius. Partly cloudy changing to light showers in the afternoon. Sunrise: ; Sunset: . UV: Low;
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Friday 29 September. Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius. Cloudy changing to light showers by late morning. Sunrise: ; Sunset: . UV: Moderate;Friday 29 September. Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius. Cloudy changing to light showers by late morning. Sunrise: ; Sunset: . UV: Moderate;
Seven day forecast for Y Garn
| Time | 22:00 | 23:00 |
|---|---|---|
| Weather symbol |
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Chance of precipitation
|
≥95% | ≥95% |
|
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7°
|
8°
|
|
|
1° | 2° |
|
|
S
48
|
S
48
|
|
|
56 | 55 |
|
|
VP | VP |
|
Humidity
|
99% | 99% |
|
UV
|
- | - |
| Time | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
|
≥95% | ≥95% | 70% | 30% | 30% | 30% | 30% | 50% | 50% | ≥95% | ≥95% | ≥95% | ≥95% | 90% | 90% | 30% | 10% | 20% | 40% | 80% | 90% | ≥95% | ≥95% | 40% |
|
|
9°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
|
|
3° | 4° | 5° | 6° | 6° | 6° | 6° | 5° | 6° | 5° | 5° | 5° | 5° | 5° | 5° | 4° | 4° | 4° | 4° | 4° | 4° | 4° | 5° | 4° |
|
|
S
51
|
SSW
53
|
SSW
46
|
SSW
40
|
SSW
38
|
SSW
37
|
SSW
39
|
SSW
38
|
SSW
38
|
SSW
44
|
SSW
46
|
SSW
52
|
SSW
52
|
SSW
54
|
SSW
55
|
SSW
55
|
SSW
58
|
SSW
59
|
S
61
|
S
59
|
S
58
|
SSW
56
|
SSW
49
|
SW
42
|
|
|
60 | 62 | 54 | 48 | 45 | 44 | 47 | 47 | 46 | 54 | 56 | 63 | 65 | 68 | 69 | 70 | 73 | 74 | 77 | 75 | 73 | 71 | 62 | 54 |
|
|
VP | VP | VP | VP | VP | VP | VP | VP | VP | VP | VP | VP | VP | VP | VP | VP | M | P | G | M | P | VP | VP | VP |
|
Humidity
|
100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 99% | 99% | 100% | 99% | 99% | 99% | 99% | 99% | 98% | 98% | 97% | 96% | 97% | 99% | 99% | 99% |
|
UV
|
- | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
|
30% | 30% | 20% | 40% | 20% | 10% | 10% | <5% | 10% |
|
|
9°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
8°
|
8°
|
|
|
3° | 3° | 3° | 2° | 2° | 3° | 4° | 3° | 3° |
|
|
SW
39
|
SW
37
|
SW
42
|
SW
38
|
SW
38
|
SW
36
|
SW
32
|
SSW
30
|
SSW
26
|
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50 | 48 | 54 | 50 | 51 | 50 | 46 | 41 | 37 |
|
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VP | VP | VP | VP | VP | VG | G | VG | G |
|
Humidity
|
99% | 99% | 99% | 98% | 98% | 90% | 87% | 94% | 96% |
|
UV
|
- | - | - | - | 2 | 3 | 1 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
|
10% | 10% | 10% | 50% | 70% | 60% | 60% | 10% |
|
|
8°
|
8°
|
7°
|
9°
|
9°
|
8°
|
7°
|
7°
|
|
|
3° | 2° | 2° | 4° | 4° | 4° | 2° | 2° |
|
|
S
28
|
S
33
|
S
34
|
S
36
|
SSW
35
|
SW
30
|
SW
29
|
SW
25
|
|
|
39 | 46 | 49 | 53 | 53 | 47 | 43 | 36 |
|
|
M | M | M | M | M | M | M | M |
|
Humidity
|
97% | 97% | 97% | 95% | 94% | 92% | 96% | 96% |
|
UV
|
- | - | - | 1 | 2 | 1 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Chance of precipitation
|
10% | 10% | 10% | 80% | 90% | 80% | 90% | 40% |
|
|
6°
|
6°
|
6°
|
7°
|
8°
|
8°
|
7°
|
6°
|
|
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2° | 2° | 2° | 2° | 3° | 2° | 1° | 0° |
|
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SSW
22
|
SSW
22
|
S
26
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SSE
34
|
S
39
|
S
44
|
SSW
45
|
SW
39
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31 | 30 | 36 | 50 | 59 | 67 | 67 | 58 |
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M | G | G | M | M | M | M | G |
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Humidity
|
96% | 96% | 94% | 95% | 92% | 92% | 93% | 91% |
|
UV
|
- | - | - | 1 | 2 | 1 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
|
Chance of precipitation
|
10% | 10% | 10% | 10% | 10% | 40% | 50% | 60% |
|
|
5°
|
5°
|
5°
|
6°
|
7°
|
7°
|
6°
|
6°
|
|
|
0° | 0° | 0° | 2° | 3° | 2° | 1° | 1° |
|
|
WSW
34
|
SW
30
|
SW
27
|
SW
25
|
SSW
26
|
SSW
27
|
SSW
27
|
SSW
26
|
|
|
50 | 44 | 37 | 39 | 42 | 44 | 40 | 38 |
|
|
G | G | G | G | G | G | G | G |
|
Humidity
|
90% | 93% | 94% | 89% | 84% | 86% | 92% | 94% |
|
UV
|
- | - | - | 2 | 2 | 1 | - | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
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|
|
|
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|
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Chance of precipitation
|
60% | 60% | 20% | 50% | 10% | 10% | 10% | 10% |
|
|
5°
|
5°
|
5°
|
6°
|
7°
|
7°
|
6°
|
5°
|
|
|
0° | 0° | 0° | 1° | 3° | 3° | 1° | 1° |
|
|
SW
24
|
WSW
21
|
WSW
21
|
WSW
21
|
WSW
20
|
WSW
19
|
SW
19
|
SW
19
|
|
|
34 | 31 | 30 | 32 | 34 | 32 | 27 | 26 |
|
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G | G | G | G | VG | VG | VG | G |
|
Humidity
|
95% | 96% | 96% | 92% | 82% | 82% | 93% | 96% |
|
UV
|
- | - | - | 2 | 3 | 1 | - | - |
Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail and drizzle) will fall from the sky at a certain time.
This number shows the air temperature for the time period. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu.
Feels like temperature considers other factors, such as wind speed and humidity. This gives you a better idea of how the temperature will actually feel at the time.
Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull.
Strong winds are shown in bold for speeds of 29 mph or more.
The arrow shows the direction the wind is blowing. The letters show the direction the wind is blowing from (on a standard 16-point compass).
The number represents the average wind speed expected at that time.
The arrow shows the direction of the wind (up is north). If the arrow points from land to sea, the wind will be blowing out to sea (‘offshore’). The number is the average wind speed.
Beware of offshore winds if you are using inflatables, paddle boards or kayaks. These winds can blow you out to sea. Read more about how wind will affect you at the beach.
Visibility measures the distance at which an object can be clearly seen.
| VP (Very Poor) | Less than 1 km |
| P (Poor) | 1.1 km to 4 km |
| M (Moderate) | 4.1 km to 10 km |
| G (Good) | 10.1 km to 20 km |
| VG (Very Good) | 20.1 km to 40 km |
| E (Excellent) | Greater than 40 km |
Humidity is the amount of water vapor in the air. If there is a lot of water vapour, the humidity will be high. The higher the percentage of humidity, the wetter it will feel outside.
UV exposure index and the protection required to help keep you safe:
No risk of UV - It’s safe to stay outside. Low - You can safely stay outside. Consider sunscreen in direct sunlight. Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. Sunscreen advised. High - Seek shade during midday hours, cover up and wear sunscreen. Very high - Spend time in the shade between 11am and 3pm. Shirt, sunscreen and hat are essential. Extreme - Avoid being outside during midday hours. Shirt, sunscreen and hat essential.
This is the average height of the waves, 1-2 miles out to sea. The height of the waves can vary. The individual waves out to sea or at the beach can be higher than this number. If you are close to the water, keep an eye on the waves to stop you or your belongings being swept away.
Read more about calculating the expected height of the waves at the beach.
This is the average number of seconds between one wave and the next, 1-2 miles out to sea. A long wave period (more than 10 seconds) means the waves at the beach may be more powerful. Lifeguards can give you advice on waves if you’re planning to go into the water.
Read more about the period of waves.
The arrow shows the average direction of the waves 1-2 miles out to sea. It indicates how sheltered the beach will be from these waves. If the arrow points towards land, most of the waves’ power will reach the beach. If the arrow is parallel to or pointing away from land, the wave height is likely to be lower on the beach than it is offshore.
Lifeguards can give you advice on waves if you’re planning to go into the water.
Y Garn weather map
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Wales weather forecast
Headline:
Becoming cloudier and winds increasing with rain overnight.
This Evening and Tonight:
Turning windier overnight, particularly in coastal areas in the west. Cloud also thickening from the west with rain developing, possibly heavy towards the north and west. Much milder for all compared to last night. Minimum temperature 13 °C.
Sunday:
A windy day with strong to gale force winds, particularly on southern and western coasts. Generally cloudy with rain at times, but a few brighter intervals, mainly in the east. Maximum temperature 19 °C.
Outlook for Monday to Wednesday:
Sunny spells and isolated showers on Monday. Changeable on Tuesday with heavier showers for a time. More persistent rain on Wednesday, and turning very windy with gales. Temperatures above average.
Updated:
UK long range weather forecast
The end of September is likely to see a mixture of showers, periods of heavier rain and some brief, drier interludes. The wettest conditions are most probable across north-western areas and may be accompanied by spells of strong winds. Elsewhere, it is likely to be calmer, with eastern and south-eastern areas expected to see the best of any dry or bright spells, though this does not discount unsettled weather in these areas. Temperatures are likely close to, or slightly above average, with some mild nights. The changeable theme will likely continue into early October, with settled spells and periods of rain and showers, but there is a chance of a more prolonged period of settled weather, most probable in the southeast, which might also lead to some chillier nights.
Updated:
Indications are for a continuation of the changeable conditions early in the period, with some dry and settled conditions interspersed with spells of rain and showers. Further into the month, there is a possibility that unsettled, wet weather may become more common, which could result in southern areas being wetter than usual for the time of year. Northern areas, however, may see slightly less rainfall than usual. It is likely that temperatures will be above average for October, though it may feel chilly overnight in any clear and settled conditions.
Updated:
