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Llanrwst Weather Forecast

Temperature, wind, rain and more for Llanrwst

Gwynedd, United Kingdom

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 12
Jan		12:00

SW
SW

 15 / 25 mph 48 / 42°F 83% 995 mb
Low level cloud: 63%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 15 / 24 mph 49 / 43°F 85% 995 mb
Low level cloud: 16%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 18 / 28 mph 48 / 42°F 84% 996 mb
Low level cloud: 25%
Mid level cloud: 10%
High level cloud: 2%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 19 / 30 mph 48 / 41°F 83% 998 mb
Low level cloud: 56%
Mid level cloud: 5%
High level cloud: 16%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 13
Jan		00:00

SW
SW

 16 / 27 mph 47 / 40°F 83% 999 mb
Low level cloud: 67%
Mid level cloud: 6%
High level cloud: 18%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 13 / 22 mph 46 / 41°F 85% 999 mb
Low level cloud: 30%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

 11 / 18 mph 46 / 41°F 89% 998 mb
Low level cloud: 88%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 14 / 21 mph 45 / 38°F 90% 999 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
12:00

WNW
WNW

 15 / 18 mph 44 / 37°F 86% 1003 mb
Low level cloud: 84%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 16 / 19 mph 44 / 36°F 80% 1004 mb
Low level cloud: 30%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 13 / 19 mph 41 / 34°F 80% 1006 mb
Low level cloud: 15%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 12 / 19 mph 40 / 33°F 78% 1008 mb
Low level cloud: 18%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Llanrwst:

The next 7 day outlook for Llanrwst shows the average daytime maximum temperature will be around 7°C, with a high for the week of 9°C expected on the afternoon of Monday 12th. The average minimum temperature will be 4°C, dipping to its lowest on the morning of Wednesday 14th at 2°C. Expect the next week to have mixed overhead conditions with some days dry and some seeing a significant amount of rain. It looks like Tuesday 14th will have the most precipitation with an accumulation of around 8.0mm. On the whole winds are likely to be moderate. The forecast suggests the strongest wind will be on Monday morning, coming from a south westerly direction, and reaching around 26mph.

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