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Hirnant Weather Forecast

Temperature, wind, rain and more for Hirnant

Powys, United Kingdom

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 14
Dec		12:00

SSW
SSW

 16 / 20 mph 50 / 44°F 85% 1010 mb
Low level cloud: 91%
Mid level cloud: 49%
High level cloud: 76%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 14 / 16 mph 50 / 45°F 86% 1007 mb
Low level cloud: 92%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

 15 / 19 mph 50 / 44°F 90% 1005 mb
Low level cloud: 84%
Mid level cloud: 45%
High level cloud: 29%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 16 / 23 mph 49 / 43°F 90% 1004 mb
Low level cloud: 90%
Mid level cloud: 48%
High level cloud: 76%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Mon 15
Dec		00:00

SSW
SSW

 14 / 20 mph 50 / 45°F 91% 1002 mb
Low level cloud: 90%
Mid level cloud: 53%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
03:00

SSW
SSW

 11 / 15 mph 50 / 45°F 92% 1001 mb
Low level cloud: 92%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

SE
SE

 1 / 1 mph 48 / 48°F 98% 1001 mb
Low level cloud: 100%
Mid level cloud: 100%
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

NE
NE

 2 / 2 mph 47 / 47°F 99% 1002 mb
Low level cloud: 99%
Mid level cloud: 94%
High level cloud: 72%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
12:00

NNE
NNE

 3 / 4 mph 46 / 45°F 98% 1001 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 4 / 5 mph 45 / 43°F 98% 1000 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
18:00

NNW
NNW

 5 / 6 mph 44 / 41°F 95% 1002 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNW
NNW

 6 / 7 mph 43 / 39°F 94% 1003 mb
Low level cloud: 99%
Mid level cloud: 93%
High level cloud: 100%
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 Hirnant:

Reviewing the forecast for Hirnant Over the next 7 days and the average daytime maximum temperature will be around 8°C, with a high for the week of 10°C expected on the afternoon of Sunday 14th. The mean minimum temperature will be 3°C, dipping to its lowest on the morning of Wednesday 17th at -1°C. The week will have some days seeing a little precipitation and some days with rain or sleet. Current predictions suggest Monday 17th will have the most precipitation with an accumulation of around 28.0mm. 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