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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
Wed 07
May		06:00

NNW
NNW

 2 / 4 mph 45 / 44°F 76% 1026 mb
Low level cloud: 0%
Mid level cloud: 97%
High level cloud: 22%
Most Significant Cloud Type: medium
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 4 / 5 mph 56 / 54°F 56% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 34%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 7 / 9 mph 61 / 59°F 46% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 7 / 8 mph 62 / 60°F 46% 1023 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 14%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

 6 / 7 mph 57 / 55°F 64% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

 2 / 5 mph 39 / 38°F 89% 1025 mb
Low level cloud: 57%
Mid level cloud: 3%
High level cloud: 15%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 08
May		00:00

ESE
ESE

 3 / 6 mph 41 / 39°F 92% 1025 mb
Low level cloud: 26%
Mid level cloud: 10%
High level cloud: 1%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

 2 / 4 mph 38 / 38°F 95% 1024 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 2 / 3 mph 41 / 40°F 86% 1024 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

 6 / 7 mph 53 / 49°F 60% 1023 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

 7 / 9 mph 58 / 55°F 52% 1022 mb
Low level cloud: 4%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

 7 / 8 mph 62 / 60°F 51% 1021 mb
Low level cloud: 18%
Mid level cloud: 12%
High level cloud: 3%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 6 / 7 mph 58 / 55°F 66% 1021 mb
Low level cloud: 7%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 4 / 7 mph 46 / 44°F 87% 1023 mb
Low level cloud: 16%
Mid level cloud: 7%
High level cloud: 8%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Hirnant:

The forecast for Hirnant in the coming week is predicting the average daytime maximum temperature will be around 18°C, with a high for the week of 21°C expected on the afternoon of Tuesday 13th. The average minimum temperature will be 5°C, dipping to its lowest on the morning of Friday 9th at 2°C. The week ahead will have mostly dry days although Monday is likely to see a little rain. Predictions are Monday 9th will have the most precipitation with an accumulation of around 3.0mm. 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