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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 20
Sep		06:00

S
S

 9 / 14 mph 60 / 60°F 98% 1008 mb
Low level cloud: 88%
Mid level cloud: 88%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
09:00

S
S

 11 / 16 mph 61 / 60°F 95% 1007 mb
Low level cloud: 99%
Mid level cloud: 72%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

WNW
WNW

 8 / 11 mph 59 / 59°F 96% 1006 mb
Low level cloud: 85%
Mid level cloud: 70%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
15:00

NW
NW

 23 / 32 mph 55 / 50°F 89% 1007 mb
Low level cloud: 87%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 12 / 18 mph 53 / 48°F 86% 1010 mb
Low level cloud: 3%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 4 / 8 mph 51 / 49°F 83% 1013 mb
Low level cloud: 22%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 21
Sep		00:00

NNW
NNW

 6 / 10 mph 50 / 48°F 86% 1014 mb
Low level cloud: 17%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 2 / 4 mph 50 / 50°F 85% 1014 mb
Low level cloud: 12%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

 7 / 12 mph 49 / 46°F 87% 1016 mb
Low level cloud: 43%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 15 / 20 mph 51 / 46°F 84% 1019 mb
Low level cloud: 95%
Mid level cloud: 57%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 13 / 18 mph 49 / 44°F 76% 1022 mb
Low level cloud: 71%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 12 / 16 mph 55 / 51°F 58% 1022 mb
Low level cloud: 6%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 11 / 19 mph 51 / 47°F 66% 1024 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 10 / 18 mph 47 / 43°F 72% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Llannon:

Reviewing the forecast for Llannon Over the next 7 days and the average daytime maximum temperature will be around 15°C, with a high for the week of 17°C expected on the evening of Friday 26th. The mean minimum temperature will be 8°C, dipping to its lowest on the morning of Monday 22nd at 5°C. The week will have mostly dry days although Saturday is likely to see a significant amount of rain. It looks like Saturday 22nd will have the most precipitation with an accumulation of around 13.0mm. On the whole winds are likely to be moderate.

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