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Llannon Weather Forecast

Temperature, wind, rain and more for Llannon

Carmarthenshire, United Kingdom

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 13
Dec		06:00

SW
SW

 9 / 17 mph 46 / 41°F 87% 1025 mb
Low level cloud: 23%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 10 / 17 mph 47 / 42°F 88% 1026 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 15 / 23 mph 49 / 43°F 85% 1026 mb
Low level cloud: 39%
Mid level cloud: 0%
High level cloud: 93%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 17 / 24 mph 50 / 44°F 84% 1025 mb
Low level cloud: 48%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

 18 / 28 mph 49 / 43°F 83% 1024 mb
Low level cloud: 23%
Mid level cloud: 68%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 17 / 29 mph 48 / 41°F 84% 1023 mb
Low level cloud: 31%
Mid level cloud: 44%
High level cloud: 98%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 14
Dec		00:00

SSW
SSW

 19 / 29 mph 49 / 43°F 85% 1022 mb
Low level cloud: 39%
Mid level cloud: 65%
High level cloud: 14%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 20 / 32 mph 49 / 42°F 85% 1020 mb
Low level cloud: 49%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 19 / 34 mph 48 / 42°F 84% 1018 mb
Low level cloud: 58%
Mid level cloud: 57%
High level cloud: 32%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 19 / 28 mph 50 / 43°F 84% 1017 mb
Low level cloud: 23%
Mid level cloud: 85%
High level cloud: 19%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 20 / 29 mph 51 / 45°F 82% 1015 mb
Low level cloud: 15%
Mid level cloud: 61%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 20 / 30 mph 51 / 45°F 81% 1012 mb
Low level cloud: 11%
Mid level cloud: 65%
High level cloud: 15%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 20 / 30 mph 51 / 45°F 88% 1011 mb
Low level cloud: 58%
Mid level cloud: 79%
High level cloud: 33%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 21 / 36 mph 50 / 43°F 88% 1008 mb
Low level cloud: 47%
Mid level cloud: 82%
High level cloud: 81%
Most Significant Cloud Type: low
85%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
The 7 day weather forecast summary for Llannon:

Over the next 7 days the Llannon forecast suggests the average daytime maximum temperature will be around 10°C, with a high for the week of 11°C expected on the afternoon of Thursday 18th. The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Saturday 20th at 4°C. Expect the next week to have some days seeing a little precipitation and some days with rain. The indicators are that Monday 20th will have the most precipitation with an accumulation of around 45.0mm. On the whole winds are likely to be fresh. The strongest wind will be experienced on Thursday afternoon, coming from a southerly direction, and reaching around 29mph. However, the forecast suggests maximum gusts on Monday morning.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure