WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Kavala 14 Day Long Range Forecast

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

Greece

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

For Kavala in the coming two weeks the average daytime maximum temperature will be around 22°C, with a high for the two weeks of 26°C expected on the afternoon of Tuesday 14th. The mean minimum temperature will be 12°C, dipping to its lowest on the morning of Sunday 5th at 10°C. Expect the next 14 days have most days seeing a little rain. It looks like Saturday 4th will have the most precipitation with an accumulation of around 10.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 04
May
20:00

NNW
NNW

7 / 14 mph 57 / 54°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 33%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

N
N

7 / 16 mph 54 / 52°F 76% 1013 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 22%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May
02:00

N
N

6 / 12 mph 51 / 49°F 75% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

N
N

6 / 12 mph 50 / 48°F 74% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NE
NE

4 / 5 mph 65 / 63°F 59% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

E
E

4 / 4 mph 72 / 69°F 44% 1017 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SSE
SSE

7 / 9 mph 73 / 75°F 45% 1017 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

S
S

5 / 6 mph 71 / 68°F 53% 1017 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

W
W

4 / 7 mph 60 / 59°F 62% 1017 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NNE
NNE

2 / 4 mph 56 / 57°F 66% 1018 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May
02:00

NE
NE

4 / 8 mph 53 / 52°F 77% 1018 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNE
NNE

2 / 4 mph 51 / 52°F 80% 1018 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SSE
SSE

2 / 2 mph 64 / 62°F 66% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

S
S

7 / 8 mph 69 / 67°F 62% 1017 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
14:00

S
S

8 / 9 mph 69 / 68°F 63% 1017 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SSE
SSE

5 / 6 mph 70 / 68°F 65% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

SW
SW

1 / 2 mph 58 / 56°F 77% 1016 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NNW
NNW

1 / 2 mph 54 / 55°F 80% 1016 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 07
May
02:00

N
N

2 / 4 mph 54 / 55°F 81% 1015 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNW
NNW

2 / 3 mph 53 / 53°F 83% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 1%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

S
S

2 / 2 mph 67 / 65°F 70% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 3%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

S
S

6 / 7 mph 73 / 70°F 63% 1015 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 93%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

S
S

7 / 8 mph 73 / 76°F 62% 1014 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 43%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

S
S

5 / 6 mph 74 / 76°F 64% 1013 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 2%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

E
E

0 / 1 mph 60 / 59°F 80% 1014 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 14%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NNW
NNW

1 / 2 mph 57 / 57°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 26%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
02:00

NW
NW

1 / 3 mph 56 / 56°F 79% 1013 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 3%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNE
NNE

2 / 4 mph 55 / 56°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SE
SE

2 / 2 mph 70 / 67°F 68% 1013 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 36%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SSE
SSE

6 / 7 mph 75 / 76°F 61% 1013 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 3%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SSE
SSE

6 / 7 mph 76 / 77°F 56% 1013 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 17%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SE
SE

5 / 6 mph 75 / 76°F 62% 1012 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 65%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ENE
ENE

5 / 9 mph 63 / 60°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NE
NE

4 / 8 mph 58 / 58°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 41%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
02:00

NNE
NNE

5 / 11 mph 57 / 57°F 77% 1012 mb
Low level cloud: 0%
Mid level cloud: 79%
High level cloud: 100%
Most Significant Cloud Type: medium
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

ENE
ENE

5 / 8 mph 60 / 60°F 76% 1012 mb
Low level cloud: 0%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: medium
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NE
NE

6 / 7 mph 64 / 64°F 77% 1014 mb
Low level cloud: 0%
Mid level cloud: 94%
High level cloud: 76%
Most Significant Cloud Type: medium
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

6 / 7 mph 71 / 69°F 67% 1013 mb
Low level cloud: 0%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: medium
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

7 / 9 mph 71 / 68°F 70% 1014 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ESE
ESE

5 / 7 mph 69 / 66°F 74% 1013 mb
Low level cloud: 0%
Mid level cloud: 56%
High level cloud: 100%
Most Significant Cloud Type: medium
59%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:00

ENE
ENE

5 / 10 mph 59 / 58°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 80%
High level cloud: 100%
Most Significant Cloud Type: medium
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

ENE
ENE

9 / 13 mph 59 / 57°F 89% 1015 mb
Low level cloud: 10%
Mid level cloud: 64%
High level cloud: 90%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May
02:00

NNE
NNE

3 / 5 mph 58 / 59°F 86% 1014 mb
Low level cloud: 62%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NE
NE

6 / 10 mph 56 / 55°F 87% 1013 mb
Low level cloud: 1%
Mid level cloud: 58%
High level cloud: 100%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

E
E

5 / 6 mph 66 / 63°F 80% 1014 mb
Low level cloud: 1%
Mid level cloud: 55%
High level cloud: 100%
Most Significant Cloud Type: medium
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

7 / 9 mph 72 / 68°F 65% 1013 mb
Low level cloud: 7%
Mid level cloud: 44%
High level cloud: 19%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SE
SE

8 / 10 mph 72 / 69°F 62% 1012 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 17%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

E
E

3 / 4 mph 70 / 68°F 70% 1011 mb
Low level cloud: 8%
Mid level cloud: 23%
High level cloud: 33%
Most Significant Cloud Type: medium
46%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:00

NNE
NNE

4 / 10 mph 59 / 57°F 81% 1010 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 33%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NNE
NNE

4 / 9 mph 56 / 55°F 81% 1010 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 12%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 11
May
02:00

NE
NE

5 / 10 mph 54 / 53°F 74% 1015 mb
Low level cloud: 57%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
08:00

NW
NW

4 / 7 mph 55 / 54°F 81% 1011 mb
Low level cloud: 0%
Mid level cloud: 65%
High level cloud: 11%
Most Significant Cloud Type: medium
65%
0.0 In
14:00

ENE
ENE

14 / 30 mph 67 / 67°F 38% 1019 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
20:00

WNW
WNW

3 / 6 mph 60 / 60°F 65% 1015 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 22%
Most Significant Cloud Type: medium
46%
0.0 In
Sun 12
May
02:00

NNW
NNW

3 / 6 mph 56 / 56°F 77% 1012 mb
Low level cloud: 18%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 In
08:00

SSE
SSE

1 / 2 mph 65 / 65°F 78% 1010 mb
Low level cloud: 63%
Mid level cloud: 21%
High level cloud: 33%
Most Significant Cloud Type: low
74%
0.0 In
14:00

SW
SW

8 / 16 mph 67 / 67°F 76% 1011 mb
Low level cloud: 23%
Mid level cloud: 25%
High level cloud: 48%
Most Significant Cloud Type: low
38%
0.0 In
20:00

W
W

6 / 11 mph 64 / 64°F 91% 1008 mb
Low level cloud: 49%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: low
87%
0.0 In
Mon 13
May
02:00

N
N

3 / 5 mph 60 / 60°F 84% 1012 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 99%
Most Significant Cloud Type: medium
15%
0.0 In
08:00

WSW
WSW

2 / 3 mph 68 / 68°F 73% 1007 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: medium
17%
0.0 In
14:00

S
S

7 / 16 mph 74 / 77°F 61% 1011 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
20:00

E
E

5 / 10 mph 57 / 56°F 79% 1009 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
0.0 In
Tue 14
May
02:00

N
N

3 / 6 mph 61 / 61°F 85% 1012 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 16%
Most Significant Cloud Type: medium
32%
0.0 In
08:00

S
S

1 / 2 mph 61 / 61°F 64% 1015 mb
Low level cloud: 10%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.0 In
14:00

SSE
SSE

7 / 15 mph 76 / 78°F 60% 1014 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 17%
Most Significant Cloud Type: medium
7%
0.0 In
20:00

SSE
SSE

1 / 2 mph 56 / 56°F 72% 1016 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
Wed 15
May
02:00

NNE
NNE

2 / 5 mph 64 / 64°F 82% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
08:00

SSE
SSE

1 / 1 mph 65 / 65°F 60% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 14%
Most Significant Cloud Type: medium
5%
0.0 In
14:00

SE
SE

7 / 14 mph 79 / 80°F 55% 1013 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 8%
Most Significant Cloud Type: medium
15%
0.0 In
20:00

WSW
WSW

4 / 8 mph 57 / 57°F 78% 1014 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 1%
Most Significant Cloud Type: medium
14%
0.0 In
Thu 16
May
02:00

NNE
NNE

3 / 6 mph 64 / 64°F 76% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
08:00

N
N

0 / 0 mph 69 / 69°F 62% 1016 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 8%
Most Significant Cloud Type: medium
13%
0.0 In
14:00

SSE
SSE

6 / 14 mph 83 / 84°F 51% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
7%
0.0 In
20:00

SW
SW

1 / 2 mph 65 / 65°F 74% 1017 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
Fri 17
May
02:00

N
N

3 / 6 mph 69 / 69°F 75% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
9%
0.0 In
08:00

SSE
SSE

2 / 4 mph 75 / 78°F 64% 1016 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
14:00

S
S

7 / 14 mph 82 / 84°F 54% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 8%
Most Significant Cloud Type: medium
3%
0.0 In
20:00

WSW
WSW

2 / 3 mph 69 / 69°F 61% 1013 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
Sat 18
May
02:00

N
N

0 / 1 mph 69 / 69°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 16%
Most Significant Cloud Type: medium
5%
0.0 In
08:00

S
S

3 / 5 mph 78 / 79°F 55% 1010 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
14:00

S
S

6 / 13 mph 82 / 85°F 59% 1015 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
20:00

ESE
ESE

2 / 5 mph 69 / 69°F 84% 1006 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
Sun 19
May
02:00

NNW
NNW

3 / 6 mph 71 / 71°F 79% 1015 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 6%
Most Significant Cloud Type: medium
6%
0.0 In
08:00

SSE
SSE

3 / 6 mph 78 / 80°F 63% 1007 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
0.0 In
14:00

SSW
SSW

5 / 10 mph 80 / 83°F 61% 1014 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 97%
Most Significant Cloud Type: medium
47%
0.0 In
20:00

N
N

1 / 3 mph 71 / 71°F 61% 1008 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In

Other Locations Near to Kavala

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