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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 09
Mar		00:00

SSW
SSW

 3 / 6 mph 45 / 44°F 93% 1019 mb
Low level cloud: 27%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 5 / 11 mph 42 / 39°F 92% 1018 mb
Low level cloud: 28%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSE
SSE

 4 / 8 mph 45 / 43°F 91% 1017 mb
Low level cloud: 34%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 3 / 4 mph 49 / 49°F 87% 1017 mb
Low level cloud: 53%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 3 / 4 mph 53 / 52°F 79% 1017 mb
Low level cloud: 57%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 4 / 5 mph 53 / 52°F 80% 1015 mb
Low level cloud: 80%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 4 / 8 mph 48 / 46°F 90% 1015 mb
Low level cloud: 72%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 9 / 18 mph 43 / 38°F 93% 1015 mb
Low level cloud: 3%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 10
Mar		00:00

SSW
SSW

 8 / 15 mph 43 / 38°F 92% 1014 mb
Low level cloud: 65%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 8 / 14 mph 44 / 39°F 92% 1013 mb
Low level cloud: 34%
Mid level cloud: 7%
High level cloud: 37%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 9 / 16 mph 42 / 36°F 89% 1013 mb
Low level cloud: 4%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 11 / 13 mph 46 / 41°F 83% 1012 mb
Low level cloud: 32%
Mid level cloud: 41%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 14 / 16 mph 51 / 46°F 72% 1011 mb
Low level cloud: 31%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 15 / 17 mph 52 / 47°F 71% 1008 mb
Low level cloud: 36%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 14 / 20 mph 49 / 43°F 82% 1004 mb
Low level cloud: 78%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 21 / 30 mph 49 / 42°F 88% 1001 mb
Low level cloud: 65%
Mid level cloud: 100%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
The 7 day weather forecast summary for Llanrwst:

The outlook for Llanrwst in the week ahead shows the average daytime maximum temperature will be around 9°C, with a high for the week of 12°C expected on the afternoon of Monday 9th. The average minimum temperature will be 6°C, dipping to its lowest on the morning of Friday 13th at 4°C. The coming week will have some days seeing a little precipitation and some days with rain or sleet. Predictions are Monday 13th will have the most precipitation with an accumulation of around 14.0mm. On the whole winds are likely to be fresh. The strongest wind will be felt on Thursday evening, coming from a south westerly direction, and reaching around 31mph.

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