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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
Thu 14
Nov		21:00

SW
SW

 2 / 5 mph 42 / 41°F 94% 1032 mb
Low level cloud: 18%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 15
Nov		00:00

WSW
WSW

 2 / 4 mph 41 / 40°F 95% 1031 mb
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 3 / 7 mph 40 / 38°F 95% 1029 mb
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 34%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 3 / 7 mph 39 / 36°F 96% 1028 mb
Low level cloud: 35%
Mid level cloud: 0%
High level cloud: 37%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 4 / 7 mph 42 / 40°F 95% 1028 mb
Low level cloud: 32%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 5 / 6 mph 52 / 50°F 80% 1026 mb
Low level cloud: 50%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 7 / 10 mph 50 / 47°F 80% 1024 mb
Low level cloud: 52%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 6 / 12 mph 42 / 38°F 94% 1024 mb
Low level cloud: 25%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 6 / 12 mph 45 / 41°F 89% 1023 mb
Low level cloud: 44%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Hirnant:

Over the next 7 days the Hirnant forecast suggests the average daytime maximum temperature will be around 6°C, with a high for the week of 12°C expected on the afternoon of Thursday 14th. The average minimum temperature will be -1°C, dipping to its lowest on the morning of Tuesday 19th at -8°C. Expect the coming week to have mixed overhead conditions with some days dry and some seeing a significant amount of rain, sleet or snow. The current forecast indicates Monday 19th will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be light.

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