WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Ederney 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Ederney

County Fermanagh, United Kingdom

Long range weather outlook for Ederney includes 14 day forecast summary:

The next 14 day outlook for Ederney shows the average daytime maximum temperature will be around 19°C, with a high for the two weeks of 24°C expected on the afternoon of Sunday 19th. The average minimum temperature will be 8°C, dipping to its lowest on the morning of Sunday 19th at 5°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. It looks like Monday 20th will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 17
May
18:00

N
N

6 / 8 mph 67 / 64°F 78% 1013 mb
Low level cloud: 20%
Mid level cloud: 15%
High level cloud: 2%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

6 / 9 mph 53 / 50°F 95% 1016 mb
Low level cloud: 31%
Mid level cloud: 27%
High level cloud: 5%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May
00:00

NNW
NNW

5 / 8 mph 51 / 49°F 95% 1017 mb
Low level cloud: 66%
Mid level cloud: 16%
High level cloud: 4%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

6 / 8 mph 52 / 50°F 91% 1017 mb
Low level cloud: 83%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

6 / 7 mph 54 / 52°F 87% 1018 mb
Low level cloud: 90%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

7 / 8 mph 58 / 56°F 79% 1019 mb
Low level cloud: 93%
Mid level cloud: 11%
High level cloud: 4%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

7 / 8 mph 68 / 66°F 63% 1019 mb
Low level cloud: 23%
Mid level cloud: 12%
High level cloud: 7%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

7 / 9 mph 71 / 68°F 59% 1018 mb
Low level cloud: 17%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

6 / 8 mph 67 / 65°F 67% 1019 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 20%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

4 / 8 mph 50 / 49°F 84% 1020 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 14%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May
00:00

NNW
NNW

3 / 7 mph 43 / 41°F 84% 1020 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 24%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

3 / 6 mph 41 / 39°F 92% 1020 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 32%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

2 / 4 mph 49 / 48°F 87% 1020 mb
Low level cloud: 5%
Mid level cloud: 24%
High level cloud: 85%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

4 / 4 mph 64 / 62°F 68% 1019 mb
Low level cloud: 5%
Mid level cloud: 46%
High level cloud: 86%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

4 / 4 mph 72 / 69°F 56% 1018 mb
Low level cloud: 2%
Mid level cloud: 58%
High level cloud: 63%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

3 / 3 mph 75 / 76°F 52% 1017 mb
Low level cloud: 31%
Mid level cloud: 65%
High level cloud: 32%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

4 / 4 mph 72 / 69°F 67% 1017 mb
Low level cloud: 27%
Mid level cloud: 44%
High level cloud: 70%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

2 / 4 mph 55 / 55°F 98% 1018 mb
Low level cloud: 62%
Mid level cloud: 46%
High level cloud: 37%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May
00:00

E
E

2 / 4 mph 52 / 53°F 99% 1017 mb
Low level cloud: 64%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

2 / 4 mph 49 / 49°F 99% 1017 mb
Low level cloud: 54%
Mid level cloud: 28%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

2 / 3 mph 54 / 53°F 97% 1016 mb
Low level cloud: 51%
Mid level cloud: 21%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

4 / 4 mph 67 / 64°F 66% 1015 mb
Low level cloud: 1%
Mid level cloud: 13%
High level cloud: 16%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

5 / 5 mph 74 / 76°F 50% 1014 mb
Low level cloud: 4%
Mid level cloud: 15%
High level cloud: 10%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

5 / 7 mph 68 / 65°F 74% 1013 mb
Low level cloud: 19%
Mid level cloud: 44%
High level cloud: 12%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

3 / 5 mph 65 / 62°F 94% 1012 mb
Low level cloud: 16%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
35%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

SE
SE

4 / 7 mph 57 / 55°F 98% 1012 mb
Low level cloud: 31%
Mid level cloud: 44%
High level cloud: 73%
Most Significant Cloud Type: low
55%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Tue 21
May
00:00

SE
SE

2 / 4 mph 51 / 52°F 98% 1012 mb
Low level cloud: 42%
Mid level cloud: 43%
High level cloud: 90%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

1 / 3 mph 49 / 49°F 98% 1011 mb
Low level cloud: 33%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

1 / 1 mph 52 / 51°F 98% 1010 mb
Low level cloud: 52%
Mid level cloud: 44%
High level cloud: 82%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

1 / 1 mph 58 / 58°F 93% 1010 mb
Low level cloud: 90%
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
12:00

WNW
WNW

2 / 3 mph 57 / 58°F 98% 1010 mb
Low level cloud: 76%
Mid level cloud: 98%
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

NNW
NNW

3 / 4 mph 57 / 57°F 98% 1010 mb
Low level cloud: 44%
Mid level cloud: 100%
High level cloud: 95%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

2 / 3 mph 57 / 57°F 98% 1011 mb
Low level cloud: 40%
Mid level cloud: 84%
High level cloud: 97%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

2 / 3 mph 55 / 54°F 99% 1012 mb
Low level cloud: 32%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
00:00

NW
NW

2 / 4 mph 51 / 51°F 99% 1012 mb
Low level cloud: 86%
Mid level cloud: 67%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

3 / 4 mph 50 / 50°F 99% 1013 mb
Low level cloud: 94%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

5 / 7 mph 52 / 50°F 98% 1014 mb
Low level cloud: 90%
Mid level cloud: 62%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

5 / 6 mph 53 / 51°F 95% 1016 mb
Low level cloud: 74%
Mid level cloud: 57%
High level cloud: 1%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

9 / 10 mph 59 / 57°F 74% 1017 mb
Low level cloud: 82%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

9 / 11 mph 58 / 55°F 66% 1018 mb
Low level cloud: 74%
Mid level cloud: 26%
High level cloud: 1%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

9 / 11 mph 55 / 51°F 67% 1019 mb
Low level cloud: 32%
Mid level cloud: 12%
High level cloud: 17%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

8 / 12 mph 47 / 42°F 71% 1021 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
00:00

NNW
NNW

6 / 11 mph 43 / 39°F 74% 1021 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 18%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

7 / 12 mph 42 / 38°F 77% 1021 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 37%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

9 / 12 mph 48 / 43°F 66% 1020 mb
Low level cloud: 58%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

10 / 11 mph 55 / 51°F 55% 1020 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 82%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

10 / 12 mph 59 / 56°F 47% 1019 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

10 / 12 mph 58 / 55°F 49% 1018 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

8 / 9 mph 54 / 50°F 65% 1018 mb
Low level cloud: 16%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

6 / 9 mph 47 / 43°F 79% 1018 mb
Low level cloud: 49%
Mid level cloud: 46%
High level cloud: 84%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 24
May
00:00

WSW
WSW

3 / 7 mph 41 / 39°F 98% 1014 mb
Low level cloud: 51%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.0 In
06:00

W
W

2 / 3 mph 48 / 48°F 87% 1015 mb
Low level cloud: 21%
Mid level cloud: 5%
High level cloud: 33%
Most Significant Cloud Type: low
26%
0.0 In
12:00

ESE
ESE

8 / 16 mph 58 / 56°F 85% 1018 mb
Low level cloud: 94%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
96%
0.0 In
18:00

ENE
ENE

5 / 11 mph 67 / 67°F 75% 1021 mb
Low level cloud: 27%
Mid level cloud: 26%
High level cloud: 32%
Most Significant Cloud Type: low
39%
0.0 In
Sat 25
May
00:00

E
E

2 / 3 mph 56 / 56°F 97% 1022 mb
Low level cloud: 95%
Mid level cloud: 12%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.0 In
06:00

S
S

6 / 12 mph 52 / 50°F 90% 1020 mb
Low level cloud: 45%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: low
66%
0.0 In
12:00

S
S

9 / 18 mph 51 / 48°F 92% 1013 mb
Low level cloud: 99%
Mid level cloud: 45%
High level cloud: 35%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SSE
SSE

9 / 18 mph 65 / 65°F 65% 1013 mb
Low level cloud: 5%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: medium
71%
0.0 In
Sun 26
May
00:00

ESE
ESE

5 / 11 mph 52 / 50°F 95% 1012 mb
Low level cloud: 92%
Mid level cloud: 44%
High level cloud: 93%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SSE
SSE

7 / 15 mph 49 / 46°F 99% 1012 mb
Low level cloud: 99%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.1 In
12:00

ESE
ESE

6 / 13 mph 62 / 62°F 79% 1014 mb
Low level cloud: 92%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WNW
WNW

7 / 15 mph 54 / 52°F 96% 1013 mb
Low level cloud: 71%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.3 In
Mon 27
May
00:00

NE
NE

3 / 6 mph 56 / 56°F 92% 1017 mb
Low level cloud: 89%
Mid level cloud: 27%
High level cloud: 6%
Most Significant Cloud Type: low
98%
0.0 In
06:00

W
W

5 / 11 mph 47 / 44°F 89% 1017 mb
Low level cloud: 16%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
18%
0.0 In
12:00

SE
SE

3 / 7 mph 73 / 76°F 50% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 5%
Most Significant Cloud Type: medium
10%
0.0 In
18:00

WNW
WNW

7 / 15 mph 55 / 53°F 55% 1020 mb
Low level cloud: 13%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
21%
0.0 In
Tue 28
May
00:00

WNW
WNW

3 / 6 mph 53 / 53°F 98% 1015 mb
Low level cloud: 38%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
65%
0.0 In
06:00

WSW
WSW

2 / 5 mph 48 / 48°F 84% 1023 mb
Low level cloud: 55%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.0 In
12:00

WSW
WSW

5 / 11 mph 60 / 60°F 76% 1011 mb
Low level cloud: 99%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SSW
SSW

4 / 8 mph 59 / 59°F 61% 1021 mb
Low level cloud: 42%
Mid level cloud: 29%
High level cloud: 100%
Most Significant Cloud Type: low
64%
0.1 In
Wed 29
May
00:00

WSW
WSW

7 / 16 mph 50 / 47°F 65% 1010 mb
Low level cloud: 91%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.0 In
06:00

SSE
SSE

7 / 15 mph 48 / 45°F 99% 1015 mb
Low level cloud: 95%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
12:00

WSW
WSW

8 / 16 mph 53 / 50°F 79% 1008 mb
Low level cloud: 35%
Mid level cloud: 46%
High level cloud: 10%
Most Significant Cloud Type: low
51%
0.0 In
18:00

WNW
WNW

8 / 17 mph 56 / 54°F 66% 1017 mb
Low level cloud: 21%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
21%
0.1 In
Thu 30
May
00:00

SW
SW

4 / 8 mph 43 / 41°F 98% 1008 mb
Low level cloud: 60%
Mid level cloud: 29%
High level cloud: 92%
Most Significant Cloud Type: low
80%
0.1 In
06:00

WSW
WSW

5 / 10 mph 49 / 47°F 87% 1018 mb
Low level cloud: 88%
Mid level cloud: 7%
High level cloud: 13%
Most Significant Cloud Type: low
92%
0.0 In
12:00

WNW
WNW

5 / 10 mph 55 / 54°F 65% 1007 mb
Low level cloud: 54%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

W
W

9 / 19 mph 57 / 55°F 70% 1019 mb
Low level cloud: 28%
Mid level cloud: 4%
High level cloud: 21%
Most Significant Cloud Type: low
31%
0.1 In
Fri 31
May
00:00

WSW
WSW

2 / 5 mph 41 / 40°F 97% 1009 mb
Low level cloud: 22%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.1 In
06:00

SW
SW

6 / 14 mph 50 / 48°F 90% 1018 mb
Low level cloud: 76%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WNW
WNW

8 / 17 mph 55 / 53°F 75% 1012 mb
Low level cloud: 51%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
55%
0.1 In
18:00

W
W

9 / 19 mph 56 / 54°F 91% 1013 mb
Low level cloud: 82%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
82%
0.0 In
Sat 01
Jun
00:00

WSW
WSW

2 / 5 mph 39 / 38°F 97% 1017 mb
Low level cloud: 33%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: low
34%
0.1 In
06:00

WSW
WSW

9 / 18 mph 51 / 47°F 69% 1017 mb
Low level cloud: 55%
Mid level cloud: 7%
High level cloud: 3%
Most Significant Cloud Type: low
57%
0.0 In
12:00

SW
SW

1 / 1 mph 61 / 61°F 50% 1019 mb
Low level cloud: 51%
Mid level cloud: 69%
High level cloud: 1%
Most Significant Cloud Type: low
75%
0.0 In
18:00

SW
SW

9 / 20 mph 62 / 62°F 62% 1017 mb
Low level cloud: 7%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
69%
0.0 In

Other Locations Near to Ederney

The day label given represents the local day relative to the local time for the location you are looking at.
(More Info)

Day

This time is corrected for local time zones and where possible for daylight saving times.
(More Info)

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.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

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.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
(More Info)

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.
(More Info)

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.
(More Info)

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.
(More Info)

Pressure