WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Coolangatta 14 Day Long Range Forecast

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

New South Wales, Australia

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

Reviewing the forecast for Coolangatta Over the next 14 days and the average daytime maximum temperature will be around 22°C, with a high for the two weeks of 27°C expected on the afternoon of Friday 31st. The mean minimum temperature will be 14°C, dipping to its lowest on the morning of Tuesday 4th at 11°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain. Current predictions suggest Saturday 1st will have the most precipitation with an accumulation of around 24.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 27
May
19:00

SSE
SSE

6 / 12 mph 63 / 63°F 84% 1024 mb
Low level cloud: 2%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

5 / 10 mph 61 / 61°F 86% 1024 mb
Low level cloud: 9%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 28
May
01:00

S
S

6 / 13 mph 60 / 60°F 88% 1024 mb
Low level cloud: 23%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

7 / 16 mph 59 / 58°F 90% 1024 mb
Low level cloud: 14%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

9 / 18 mph 59 / 59°F 89% 1026 mb
Low level cloud: 30%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

9 / 10 mph 73 / 76°F 68% 1027 mb
Low level cloud: 7%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

10 / 12 mph 75 / 77°F 59% 1025 mb
Low level cloud: 13%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

10 / 11 mph 71 / 70°F 74% 1025 mb
Low level cloud: 28%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

8 / 15 mph 63 / 63°F 84% 1027 mb
Low level cloud: 73%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

8 / 16 mph 61 / 61°F 84% 1027 mb
Low level cloud: 21%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 29
May
01:00

S
S

8 / 14 mph 62 / 62°F 83% 1027 mb
Low level cloud: 49%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

8 / 15 mph 61 / 61°F 86% 1026 mb
Low level cloud: 63%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

9 / 18 mph 59 / 57°F 88% 1028 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
10:00

S
S

9 / 11 mph 69 / 68°F 76% 1028 mb
Low level cloud: 53%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

10 / 11 mph 71 / 70°F 74% 1026 mb
Low level cloud: 70%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

7 / 8 mph 73 / 76°F 70% 1026 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

7 / 14 mph 64 / 64°F 75% 1027 mb
Low level cloud: 29%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

6 / 11 mph 63 / 63°F 73% 1028 mb
Low level cloud: 74%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 30
May
01:00

ESE
ESE

5 / 9 mph 65 / 65°F 67% 1027 mb
Low level cloud: 87%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

5 / 8 mph 64 / 64°F 74% 1026 mb
Low level cloud: 31%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

5 / 8 mph 63 / 64°F 77% 1027 mb
Low level cloud: 83%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

4 / 6 mph 68 / 68°F 78% 1027 mb
Low level cloud: 93%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

ESE
ESE

4 / 6 mph 71 / 71°F 73% 1024 mb
Low level cloud: 90%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

3 / 4 mph 72 / 76°F 76% 1024 mb
Low level cloud: 83%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

6 / 8 mph 69 / 69°F 78% 1025 mb
Low level cloud: 76%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

NNE
NNE

5 / 7 mph 67 / 67°F 82% 1025 mb
Low level cloud: 52%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
58%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Fri 31
May
01:00

N
N

5 / 10 mph 63 / 63°F 82% 1023 mb
Low level cloud: 79%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

NNW
NNW

5 / 11 mph 63 / 63°F 84% 1022 mb
Low level cloud: 63%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

4 / 9 mph 60 / 60°F 88% 1023 mb
Low level cloud: 68%
Mid level cloud: 28%
High level cloud: 1%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

6 / 8 mph 74 / 76°F 80% 1023 mb
Low level cloud: 37%
Mid level cloud: 45%
High level cloud: 9%
Most Significant Cloud Type: low
53%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

N
N

9 / 11 mph 80 / 81°F 66% 1020 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 11%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

11 / 13 mph 76 / 78°F 73% 1018 mb
Low level cloud: 0%
Mid level cloud: 50%
High level cloud: 10%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

9 / 11 mph 72 / 76°F 80% 1020 mb
Low level cloud: 19%
Mid level cloud: 18%
High level cloud: 32%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

9 / 18 mph 65 / 65°F 84% 1019 mb
Low level cloud: 12%
Mid level cloud: 37%
High level cloud: 7%
Most Significant Cloud Type: medium
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 01
Jun
01:00

NNW
NNW

9 / 13 mph 69 / 69°F 86% 1018 mb
Low level cloud: 0%
Mid level cloud: 57%
High level cloud: 44%
Most Significant Cloud Type: medium
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

9 / 13 mph 68 / 68°F 88% 1016 mb
Low level cloud: 2%
Mid level cloud: 83%
High level cloud: 35%
Most Significant Cloud Type: medium
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

6 / 9 mph 68 / 68°F 81% 1017 mb
Low level cloud: 0%
Mid level cloud: 53%
High level cloud: 2%
Most Significant Cloud Type: medium
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

5 / 6 mph 75 / 77°F 73% 1018 mb
Low level cloud: 0%
Mid level cloud: 54%
High level cloud: 5%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

2 / 3 mph 74 / 77°F 81% 1015 mb
Low level cloud: 23%
Mid level cloud: 63%
High level cloud: 40%
Most Significant Cloud Type: low
49%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

S
S

12 / 19 mph 62 / 62°F 94% 1016 mb
Low level cloud: 86%
Mid level cloud: 89%
High level cloud: 27%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

S
S

15 / 25 mph 58 / 55°F 95% 1018 mb
Low level cloud: 55%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
99%
Expect 0.5 In of precipitation over the past 3 hours.
0.5 In
22:00

S
S

15 / 25 mph 57 / 54°F 93% 1019 mb
Low level cloud: 87%
Mid level cloud: 87%
High level cloud: 86%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
Sun 02
Jun
01:00

SSW
SSW

11 / 17 mph 56 / 53°F 95% 1018 mb
Low level cloud: 74%
Mid level cloud: 63%
High level cloud: 1%
Most Significant Cloud Type: low
96%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
04:00

SW
SW

9 / 16 mph 54 / 51°F 94% 1018 mb
Low level cloud: 36%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

SW
SW

6 / 12 mph 54 / 52°F 95% 1018 mb
Low level cloud: 39%
Mid level cloud: 91%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

WSW
WSW

6 / 8 mph 58 / 57°F 88% 1017 mb
Low level cloud: 15%
Mid level cloud: 82%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NE
NE

2 / 2 mph 68 / 67°F 72% 1014 mb
Low level cloud: 15%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

3 / 4 mph 66 / 65°F 82% 1014 mb
Low level cloud: 27%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

5 / 11 mph 57 / 57°F 83% 1016 mb
Low level cloud: 5%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

6 / 14 mph 55 / 53°F 83% 1015 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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 03
Jun
04:00

E
E

6 / 12 mph 62 / 62°F 94% 1022 mb
Low level cloud: 97%
Mid level cloud: 84%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.0 In
10:00

SSW
SSW

13 / 28 mph 67 / 67°F 73% 1017 mb
Low level cloud: 15%
Mid level cloud: 15%
High level cloud: 47%
Most Significant Cloud Type: low
25%
0.0 In
16:00

WSW
WSW

2 / 3 mph 74 / 77°F 48% 1013 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
22:00

SW
SW

13 / 26 mph 61 / 61°F 70% 1011 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
Tue 04
Jun
04:00

WNW
WNW

6 / 13 mph 49 / 46°F 67% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
10:00

SSW
SSW

2 / 5 mph 71 / 71°F 55% 1023 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.0 In
16:00

S
S

11 / 24 mph 68 / 68°F 64% 1022 mb
Low level cloud: 27%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
31%
0.0 In
22:00

WSW
WSW

5 / 10 mph 61 / 61°F 63% 1020 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: medium
22%
0.0 In
Wed 05
Jun
04:00

SSW
SSW

12 / 26 mph 56 / 53°F 83% 1024 mb
Low level cloud: 38%
Mid level cloud: 15%
High level cloud: 19%
Most Significant Cloud Type: low
45%
0.0 In
10:00

SSW
SSW

11 / 23 mph 62 / 62°F 65% 1021 mb
Low level cloud: 72%
Mid level cloud: 43%
High level cloud: 82%
Most Significant Cloud Type: low
97%
0.0 In
16:00

S
S

14 / 30 mph 65 / 65°F 75% 1024 mb
Low level cloud: 37%
Mid level cloud: 10%
High level cloud: 100%
Most Significant Cloud Type: low
52%
0.0 In
22:00

SSW
SSW

15 / 32 mph 61 / 61°F 79% 1021 mb
Low level cloud: 56%
Mid level cloud: 21%
High level cloud: 73%
Most Significant Cloud Type: low
72%
0.0 In
Thu 06
Jun
04:00

SSW
SSW

10 / 21 mph 58 / 56°F 86% 1025 mb
Low level cloud: 36%
Mid level cloud: 13%
High level cloud: 82%
Most Significant Cloud Type: low
50%
0.1 In
10:00

S
S

16 / 34 mph 62 / 62°F 73% 1020 mb
Low level cloud: 49%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
16:00

SSE
SSE

19 / 39 mph 69 / 69°F 63% 1025 mb
Low level cloud: 64%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
75%
0.1 In
22:00

S
S

13 / 27 mph 61 / 61°F 81% 1021 mb
Low level cloud: 76%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
98%
0.0 In
Fri 07
Jun
04:00

SSE
SSE

16 / 34 mph 65 / 65°F 79% 1025 mb
Low level cloud: 77%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
93%
0.1 In
10:00

S
S

13 / 28 mph 66 / 66°F 78% 1021 mb
Low level cloud: 31%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.1 In
16:00

SE
SE

16 / 33 mph 68 / 68°F 69% 1026 mb
Low level cloud: 87%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.1 In
22:00

S
S

9 / 19 mph 59 / 59°F 80% 1020 mb
Low level cloud: 11%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
Sat 08
Jun
04:00

ESE
ESE

10 / 21 mph 65 / 65°F 79% 1026 mb
Low level cloud: 81%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
84%
0.1 In
10:00

S
S

7 / 15 mph 69 / 69°F 68% 1020 mb
Low level cloud: 39%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
16:00

ESE
ESE

9 / 19 mph 71 / 71°F 70% 1023 mb
Low level cloud: 32%
Mid level cloud: 11%
High level cloud: 5%
Most Significant Cloud Type: low
36%
0.1 In
22:00

SW
SW

4 / 8 mph 64 / 64°F 89% 1018 mb
Low level cloud: 20%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
20%
0.0 In
Sun 09
Jun
04:00

S
S

6 / 12 mph 62 / 62°F 83% 1021 mb
Low level cloud: 90%
Mid level cloud: 45%
High level cloud: 36%
Most Significant Cloud Type: low
100%
0.1 In
10:00

SSE
SSE

3 / 7 mph 76 / 79°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
16:00

S
S

8 / 17 mph 67 / 67°F 90% 1018 mb
Low level cloud: 68%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: low
85%
0.2 In
22:00

WSW
WSW

4 / 9 mph 69 / 69°F 93% 1017 mb
Low level cloud: 18%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.0 In
Mon 10
Jun
04:00

SSW
SSW

4 / 9 mph 61 / 62°F 90% 1018 mb
Low level cloud: 20%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
28%
0.0 In
10:00

SSW
SSW

4 / 9 mph 75 / 78°F 55% 1017 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
16:00

SE
SE

4 / 8 mph 71 / 71°F 79% 1017 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.1 In
22:00

SSW
SSW

9 / 19 mph 55 / 52°F 64% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Tue 11
Jun
04:00

WSW
WSW

5 / 11 mph 58 / 57°F 88% 1018 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 33%
Most Significant Cloud Type: medium
11%
0.0 In
10:00

S
S

14 / 30 mph 61 / 61°F 59% 1025 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
16:00

ENE
ENE

5 / 10 mph 71 / 71°F 67% 1016 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
22:00

S
S

15 / 33 mph 61 / 60°F 73% 1029 mb
Low level cloud: 54%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
59%
0.0 In

Other Locations Near to Coolangatta

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