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Derry Weather Forecast

Temperature, wind, rain and more for Derry

Galway, Ireland

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 20
Jul		15:00

WSW
WSW

 13 / 19 mph 59 / 56°F 81% 1005 mb
Low level cloud: 36%
Mid level cloud: 19%
High level cloud: 5%
Most Significant Cloud Type: low
42%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
18:00

SW
SW

 10 / 14 mph 58 / 54°F 84% 1004 mb
Low level cloud: 46%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
21:00

SSE
SSE

 5 / 6 mph 57 / 54°F 96% 1002 mb
Low level cloud: 29%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
58%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
Fri 21
Jul		00:00

ESE
ESE

 6 / 8 mph 51 / 49°F 98% 999 mb
Low level cloud: 68%
Mid level cloud: 96%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
03:00

NNE
NNE

 6 / 9 mph 49 / 46°F 97% 997 mb
Low level cloud: 95%
Mid level cloud: 89%
High level cloud: 11%
Most Significant Cloud Type: low
100%
Expect 0.31 In of precipitation over the past 3 hours.
0.31 In
06:00

N
N

 6 / 10 mph 48 / 45°F 97% 997 mb
Low level cloud: 92%
Mid level cloud: 69%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
09:00

NW
NW

 9 / 10 mph 51 / 47°F 94% 998 mb
Low level cloud: 90%
Mid level cloud: 66%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
12:00

WNW
WNW

 6 / 6 mph 54 / 53°F 96% 998 mb
Low level cloud: 89%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
15:00

W
W

 7 / 8 mph 56 / 54°F 96% 998 mb
Low level cloud: 97%
Mid level cloud: 74%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
18:00

NNW
NNW

 6 / 9 mph 55 / 53°F 93% 998 mb
Low level cloud: 82%
Mid level cloud: 72%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.09 In of precipitation over the past 3 hours.
0.09 In
21:00

NNW
NNW

 6 / 10 mph 54 / 50°F 96% 999 mb
Low level cloud: 61%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.04 In of precipitation over the past 3 hours.
0.04 In

Other Locations Near to Derry

The 7 day weather forecast summary for Derry:

The outlook for Derry in the week ahead shows the average daytime maximum temperature will be around 19°C, with a high for the week of 24°C expected on the afternoon of Tuesday 25th. The average minimum temperature will be 11°C, dipping to its lowest on the morning of Saturday 22nd at 8°C. The coming week will have mixed overhead conditions with some days dry and some seeing a significant amount of rain. The current forecast indicates Friday 22nd will have the most precipitation with an accumulation of around 22.0mm. 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