WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Four Oaks 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Four Oaks

Kent, United Kingdom

Long range weather outlook for Four Oaks includes 14 day forecast summary:

Over the next 14 days the Four Oaks forecast suggests the average daytime maximum temperature will be around 16°C, with a high for the two weeks of 19°C expected on the afternoon of Friday 17th. The mean minimum temperature will be 10°C, dipping to its lowest on the morning of Tuesday 21st at 8°C. Expect the following 14 days ahead to have most days seeing a little rain. The indicators are that Wednesday 22nd will have the most precipitation with an accumulation of around 4.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 15
May
18:00

ESE
ESE

5 / 6 mph 64 / 62°F 78% 1006 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 11%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

6 / 13 mph 54 / 52°F 88% 1007 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 81%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 16
May
00:00

E
E

3 / 6 mph 53 / 53°F 91% 1006 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 97%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

4 / 6 mph 53 / 53°F 91% 1006 mb
Low level cloud: 2%
Mid level cloud: 20%
High level cloud: 100%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

5 / 10 mph 51 / 49°F 92% 1006 mb
Low level cloud: 29%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

6 / 10 mph 55 / 52°F 91% 1006 mb
Low level cloud: 44%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

4 / 6 mph 58 / 57°F 83% 1006 mb
Low level cloud: 45%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

5 / 6 mph 60 / 59°F 83% 1005 mb
Low level cloud: 47%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

4 / 5 mph 60 / 58°F 88% 1006 mb
Low level cloud: 38%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

4 / 6 mph 56 / 56°F 92% 1006 mb
Low level cloud: 19%
Mid level cloud: 34%
High level cloud: 34%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 17
May
00:00

SSW
SSW

5 / 9 mph 52 / 51°F 92% 1007 mb
Low level cloud: 7%
Mid level cloud: 15%
High level cloud: 11%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

6 / 11 mph 50 / 48°F 90% 1007 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 3%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

4 / 7 mph 53 / 51°F 86% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 18%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

7 / 9 mph 62 / 60°F 81% 1010 mb
Low level cloud: 53%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

8 / 10 mph 63 / 62°F 76% 1010 mb
Low level cloud: 76%
Mid level cloud: 7%
High level cloud: 100%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

5 / 7 mph 65 / 62°F 75% 1011 mb
Low level cloud: 43%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

4 / 6 mph 65 / 62°F 82% 1011 mb
Low level cloud: 8%
Mid level cloud: 6%
High level cloud: 32%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

3 / 6 mph 55 / 55°F 91% 1013 mb
Low level cloud: 12%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May
00:00

WSW
WSW

3 / 5 mph 54 / 55°F 91% 1013 mb
Low level cloud: 8%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

3 / 5 mph 53 / 53°F 92% 1013 mb
Low level cloud: 21%
Mid level cloud: 100%
High level cloud: 48%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

4 / 6 mph 55 / 55°F 91% 1013 mb
Low level cloud: 23%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

6 / 7 mph 59 / 58°F 80% 1014 mb
Low level cloud: 15%
Mid level cloud: 100%
High level cloud: 80%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

4 / 6 mph 64 / 60°F 71% 1014 mb
Low level cloud: 3%
Mid level cloud: 44%
High level cloud: 46%
Most Significant Cloud Type: medium
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

3 / 4 mph 64 / 62°F 70% 1013 mb
Low level cloud: 80%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

5 / 7 mph 63 / 60°F 84% 1013 mb
Low level cloud: 59%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

5 / 7 mph 56 / 56°F 92% 1014 mb
Low level cloud: 84%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May
00:00

N
N

9 / 15 mph 52 / 48°F 96% 1014 mb
Low level cloud: 53%
Mid level cloud: 27%
High level cloud: 2%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

8 / 13 mph 50 / 47°F 96% 1014 mb
Low level cloud: 74%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

10 / 14 mph 52 / 49°F 96% 1015 mb
Low level cloud: 85%
Mid level cloud: 36%
High level cloud: 7%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

12 / 13 mph 59 / 55°F 83% 1015 mb
Low level cloud: 45%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

11 / 13 mph 63 / 61°F 72% 1015 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

12 / 15 mph 63 / 61°F 74% 1015 mb
Low level cloud: 2%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

12 / 18 mph 58 / 55°F 87% 1015 mb
Low level cloud: 7%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

14 / 21 mph 53 / 48°F 92% 1017 mb
Low level cloud: 44%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May
00:00

NNE
NNE

14 / 19 mph 50 / 45°F 93% 1017 mb
Low level cloud: 86%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

14 / 19 mph 50 / 45°F 86% 1017 mb
Low level cloud: 93%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

15 / 19 mph 51 / 46°F 83% 1018 mb
Low level cloud: 55%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

16 / 18 mph 55 / 49°F 75% 1018 mb
Low level cloud: 29%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

15 / 18 mph 57 / 52°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

14 / 17 mph 57 / 52°F 71% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 2%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

12 / 15 mph 55 / 50°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 5%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

10 / 16 mph 49 / 45°F 88% 1017 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 35%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

NNE
NNE

10 / 16 mph 47 / 43°F 92% 1016 mb
Low level cloud: 25%
Mid level cloud: 46%
High level cloud: 94%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

10 / 17 mph 47 / 42°F 94% 1015 mb
Low level cloud: 32%
Mid level cloud: 17%
High level cloud: 11%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

11 / 15 mph 51 / 46°F 88% 1015 mb
Low level cloud: 52%
Mid level cloud: 27%
High level cloud: 32%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

14 / 17 mph 56 / 51°F 85% 1014 mb
Low level cloud: 35%
Mid level cloud: 61%
High level cloud: 32%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

15 / 17 mph 58 / 55°F 89% 1013 mb
Low level cloud: 87%
Mid level cloud: 42%
High level cloud: 9%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

14 / 17 mph 56 / 53°F 90% 1012 mb
Low level cloud: 93%
Mid level cloud: 89%
High level cloud: 43%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

12 / 16 mph 55 / 52°F 85% 1012 mb
Low level cloud: 91%
Mid level cloud: 44%
High level cloud: 58%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

12 / 18 mph 54 / 50°F 91% 1012 mb
Low level cloud: 94%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 22
May
00:00

SSW
SSW

11 / 24 mph 52 / 48°F 97% 1010 mb
Low level cloud: 80%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
06:00

N
N

5 / 10 mph 52 / 50°F 93% 1012 mb
Low level cloud: 78%
Mid level cloud: 28%
High level cloud: 32%
Most Significant Cloud Type: low
91%
0.0 In
12:00

NNW
NNW

3 / 6 mph 59 / 59°F 98% 1009 mb
Low level cloud: 99%
Mid level cloud: 44%
High level cloud: 13%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NNW
NNW

9 / 15 mph 61 / 61°F 89% 1012 mb
Low level cloud: 16%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
25%
0.0 In
Thu 23
May
00:00

NW
NW

3 / 5 mph 55 / 56°F 93% 1013 mb
Low level cloud: 63%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.0 In
06:00

S
S

6 / 12 mph 57 / 56°F 93% 1022 mb
Low level cloud: 32%
Mid level cloud: 6%
High level cloud: 9%
Most Significant Cloud Type: low
35%
0.0 In
12:00

N
N

17 / 25 mph 55 / 50°F 97% 1015 mb
Low level cloud: 100%
Mid level cloud: 62%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NE
NE

6 / 12 mph 63 / 63°F 90% 1017 mb
Low level cloud: 23%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
41%
0.0 In
Fri 24
May
00:00

ENE
ENE

7 / 11 mph 57 / 56°F 97% 1019 mb
Low level cloud: 87%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.1 In
06:00

NNE
NNE

11 / 21 mph 54 / 50°F 93% 1017 mb
Low level cloud: 24%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: low
26%
0.0 In
12:00

SSE
SSE

2 / 4 mph 65 / 65°F 81% 1021 mb
Low level cloud: 58%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
64%
0.0 In
18:00

NE
NE

13 / 24 mph 58 / 56°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
0.0 In
Sat 25
May
00:00

WSW
WSW

3 / 5 mph 57 / 58°F 86% 1021 mb
Low level cloud: 27%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
33%
0.0 In
06:00

NNE
NNE

12 / 23 mph 52 / 48°F 92% 1018 mb
Low level cloud: 42%
Mid level cloud: 7%
High level cloud: 39%
Most Significant Cloud Type: low
49%
0.0 In
12:00

WSW
WSW

4 / 6 mph 70 / 70°F 69% 1019 mb
Low level cloud: 49%
Mid level cloud: 11%
High level cloud: 5%
Most Significant Cloud Type: low
53%
0.0 In
18:00

ENE
ENE

6 / 12 mph 59 / 58°F 81% 1017 mb
Low level cloud: 25%
Mid level cloud: 24%
High level cloud: 60%
Most Significant Cloud Type: low
40%
0.0 In
Sun 26
May
00:00

NNE
NNE

4 / 6 mph 62 / 62°F 93% 1019 mb
Low level cloud: 4%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
06:00

N
N

8 / 15 mph 50 / 47°F 84% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 3%
Most Significant Cloud Type: medium
5%
0.0 In
12:00

ENE
ENE

13 / 19 mph 67 / 67°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
18:00

ENE
ENE

5 / 11 mph 61 / 61°F 78% 1017 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: medium
10%
0.0 In
Mon 27
May
00:00

ENE
ENE

13 / 25 mph 56 / 53°F 82% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 10%
Most Significant Cloud Type: medium
3%
0.0 In
06:00

NNW
NNW

8 / 16 mph 53 / 50°F 84% 1018 mb
Low level cloud: 36%
Mid level cloud: 28%
High level cloud: 11%
Most Significant Cloud Type: low
47%
0.0 In
12:00

NE
NE

21 / 33 mph 59 / 55°F 75% 1016 mb
Low level cloud: 10%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
18:00

NNW
NNW

10 / 18 mph 60 / 60°F 74% 1017 mb
Low level cloud: 67%
Mid level cloud: 16%
High level cloud: 17%
Most Significant Cloud Type: low
74%
0.0 In
Tue 28
May
00:00

NE
NE

13 / 20 mph 53 / 49°F 90% 1009 mb
Low level cloud: 31%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
51%
0.2 In
06:00

NW
NW

11 / 21 mph 53 / 49°F 84% 1019 mb
Low level cloud: 68%
Mid level cloud: 19%
High level cloud: 15%
Most Significant Cloud Type: low
76%
0.0 In
12:00

NE
NE

10 / 17 mph 57 / 55°F 88% 1006 mb
Low level cloud: 75%
Mid level cloud: 70%
High level cloud: 90%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NNW
NNW

7 / 14 mph 62 / 62°F 80% 1019 mb
Low level cloud: 15%
Mid level cloud: 12%
High level cloud: 16%
Most Significant Cloud Type: low
21%
0.0 In
Wed 29
May
00:00

NNE
NNE

3 / 5 mph 58 / 58°F 99% 1006 mb
Low level cloud: 52%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: low
85%
0.2 In
06:00

W
W

7 / 14 mph 52 / 50°F 79% 1020 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 100%
Most Significant Cloud Type: medium
13%
0.0 In
12:00

S
S

6 / 11 mph 63 / 63°F 78% 1006 mb
Low level cloud: 8%
Mid level cloud: 51%
High level cloud: 95%
Most Significant Cloud Type: medium
76%
0.3 In
18:00

WSW
WSW

14 / 27 mph 59 / 56°F 68% 1016 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 98%
Most Significant Cloud Type: medium
31%
0.0 In
Thu 30
May
00:00

SW
SW

5 / 9 mph 57 / 57°F 90% 1008 mb
Low level cloud: 10%
Mid level cloud: 84%
High level cloud: 15%
Most Significant Cloud Type: medium
100%
0.0 In
06:00

WSW
WSW

10 / 20 mph 53 / 50°F 84% 1015 mb
Low level cloud: 41%
Mid level cloud: 88%
High level cloud: 33%
Most Significant Cloud Type: low
75%
0.0 In
12:00

WSW
WSW

12 / 21 mph 58 / 55°F 90% 1007 mb
Low level cloud: 17%
Mid level cloud: 69%
High level cloud: 81%
Most Significant Cloud Type: medium
100%
0.0 In
18:00

NE
NE

2 / 5 mph 62 / 62°F 88% 1014 mb
Low level cloud: 86%
Mid level cloud: 60%
High level cloud: 66%
Most Significant Cloud Type: low
100%
0.1 In

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