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Trefor Weather Forecast

Temperature, wind, rain and more for Trefor

Gwynedd, United Kingdom

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 19
Dec
15:00

W
W

25 / 53 mph 44 / 35°F 71% 1017 mb
Low level cloud: 25%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

26 / 54 mph 45 / 35°F 72% 1019 mb
Low level cloud: 79%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

24 / 47 mph 46 / 37°F 72% 1021 mb
Low level cloud: 83%
Mid level cloud: 32%
High level cloud: 7%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 20
Dec
00:00

W
W

27 / 45 mph 47 / 38°F 72% 1023 mb
Low level cloud: 64%
Mid level cloud: 35%
High level cloud: 19%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

29 / 43 mph 48 / 39°F 73% 1024 mb
Low level cloud: 55%
Mid level cloud: 45%
High level cloud: 24%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

28 / 40 mph 48 / 40°F 74% 1025 mb
Low level cloud: 45%
Mid level cloud: 35%
High level cloud: 15%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

27 / 45 mph 47 / 38°F 75% 1026 mb
Low level cloud: 64%
Mid level cloud: 16%
High level cloud: 13%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

23 / 47 mph 45 / 37°F 74% 1028 mb
Low level cloud: 42%
Mid level cloud: 5%
High level cloud: 25%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

19 / 41 mph 44 / 36°F 76% 1029 mb
Low level cloud: 48%
Mid level cloud: 2%
High level cloud: 39%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

17 / 34 mph 45 / 38°F 77% 1030 mb
Low level cloud: 65%
Mid level cloud: 0%
High level cloud: 40%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

17 / 30 mph 46 / 39°F 78% 1030 mb
Low level cloud: 68%
Mid level cloud: 0%
High level cloud: 38%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Trefor:

The outlook for Trefor in the week ahead shows the average daytime maximum temperature will be around 10°C, with a high for the week of 12°C expected on the afternoon of Sunday 21st. The average minimum temperature will be 8°C, dipping to its lowest on the afternoon of Friday 19th at 6°C. The coming week will have some days seeing a little precipitation and some days with rain. Current predictions suggest Friday 19th will have the most precipitation with an accumulation of around 19.0mm. On the whole winds are likely to be strong. Expect the strongest wind on Friday afternoon, coming from a south westerly direction, and reaching around 40mph. The forecast suggests the maximum gusts will be on Tuesday 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.
(More Info)

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