WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Ihiala 14 Day Long Range Forecast

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

Nigeria

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

Taking a look at Ihiala over the coming two weeks and the average daytime maximum temperature will be around 31°C, with a high for the two weeks of 34°C expected on the afternoon of Monday 2nd. The average minimum temperature will be 23°C, dipping to its lowest on the morning of Thursday 5th at 22°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. It looks like Wednesday 4th will have the most precipitation with an accumulation of around 25.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 02
Jun
19:00

SW
SW

6 / 9 mph 82 / 89°F 81% 1012 mb
Low level cloud: 12%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

4 / 5 mph 79 / 85°F 90% 1014 mb
Low level cloud: 3%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 03
Jun
01:00

SW
SW

3 / 5 mph 76 / 82°F 95% 1014 mb
Low level cloud: 27%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

3 / 5 mph 74 / 79°F 96% 1013 mb
Low level cloud: 20%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

2 / 4 mph 77 / 78°F 92% 1014 mb
Low level cloud: 25%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

5 / 6 mph 87 / 88°F 64% 1015 mb
Low level cloud: 26%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

4 / 5 mph 89 / 95°F 53% 1012 mb
Low level cloud: 85%
Mid level cloud: 32%
High level cloud: 4%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

6 / 10 mph 85 / 91°F 78% 1011 mb
Low level cloud: 11%
Mid level cloud: 46%
High level cloud: 16%
Most Significant Cloud Type: medium
78%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

SSW
SSW

7 / 12 mph 78 / 84°F 91% 1012 mb
Low level cloud: 18%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
47%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
22:00

SW
SW

3 / 4 mph 77 / 82°F 93% 1014 mb
Low level cloud: 54%
Mid level cloud: 44%
High level cloud: 60%
Most Significant Cloud Type: low
76%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Wed 04
Jun
01:00

N
N

3 / 6 mph 74 / 79°F 98% 1014 mb
Low level cloud: 83%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
04:00

NW
NW

2 / 3 mph 73 / 78°F 99% 1014 mb
Low level cloud: 84%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
07:00

W
W

2 / 4 mph 72 / 77°F 98% 1015 mb
Low level cloud: 81%
Mid level cloud: 47%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

W
W

2 / 3 mph 78 / 78°F 90% 1016 mb
Low level cloud: 42%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

4 / 4 mph 85 / 86°F 70% 1014 mb
Low level cloud: 53%
Mid level cloud: 44%
High level cloud: 29%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

1 / 2 mph 78 / 81°F 92% 1013 mb
Low level cloud: 52%
Mid level cloud: 68%
High level cloud: 33%
Most Significant Cloud Type: low
79%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

SW
SW

7 / 10 mph 74 / 78°F 97% 1014 mb
Low level cloud: 62%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: low
81%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

S
S

2 / 3 mph 72 / 77°F 98% 1016 mb
Low level cloud: 88%
Mid level cloud: 44%
High level cloud: 82%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 05
Jun
01:00

SSW
SSW

2 / 4 mph 72 / 77°F 99% 1015 mb
Low level cloud: 81%
Mid level cloud: 44%
High level cloud: 65%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

2 / 4 mph 72 / 76°F 98% 1015 mb
Low level cloud: 80%
Mid level cloud: 52%
High level cloud: 34%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

1 / 2 mph 72 / 76°F 97% 1015 mb
Low level cloud: 75%
Mid level cloud: 44%
High level cloud: 42%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

5 / 7 mph 78 / 80°F 84% 1016 mb
Low level cloud: 67%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

5 / 7 mph 81 / 84°F 77% 1015 mb
Low level cloud: 77%
Mid level cloud: 43%
High level cloud: 8%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

5 / 7 mph 86 / 88°F 68% 1013 mb
Low level cloud: 63%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

4 / 7 mph 77 / 83°F 92% 1014 mb
Low level cloud: 35%
Mid level cloud: 26%
High level cloud: 2%
Most Significant Cloud Type: low
43%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

SW
SW

3 / 5 mph 75 / 80°F 96% 1016 mb
Low level cloud: 46%
Mid level cloud: 26%
High level cloud: 11%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 06
Jun
01:00

SW
SW

3 / 5 mph 73 / 78°F 98% 1015 mb
Low level cloud: 58%
Mid level cloud: 17%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

3 / 6 mph 72 / 77°F 99% 1014 mb
Low level cloud: 70%
Mid level cloud: 16%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

3 / 5 mph 74 / 76°F 98% 1015 mb
Low level cloud: 77%
Mid level cloud: 9%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

5 / 6 mph 81 / 84°F 79% 1016 mb
Low level cloud: 84%
Mid level cloud: 7%
High level cloud: 21%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

4 / 5 mph 85 / 89°F 66% 1014 mb
Low level cloud: 78%
Mid level cloud: 12%
High level cloud: 17%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

5 / 7 mph 87 / 90°F 68% 1012 mb
Low level cloud: 26%
Mid level cloud: 17%
High level cloud: 6%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

5 / 8 mph 78 / 85°F 92% 1014 mb
Low level cloud: 24%
Mid level cloud: 23%
High level cloud: 2%
Most Significant Cloud Type: low
32%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

SSW
SSW

4 / 6 mph 76 / 81°F 96% 1015 mb
Low level cloud: 36%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 07
Jun
01:00

SSW
SSW

3 / 5 mph 74 / 78°F 98% 1015 mb
Low level cloud: 49%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

3 / 5 mph 73 / 77°F 98% 1014 mb
Low level cloud: 63%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

2 / 4 mph 76 / 77°F 97% 1015 mb
Low level cloud: 65%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

5 / 6 mph 83 / 86°F 73% 1016 mb
Low level cloud: 85%
Mid level cloud: 17%
High level cloud: 8%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

6 / 8 mph 86 / 89°F 67% 1014 mb
Low level cloud: 10%
Mid level cloud: 10%
High level cloud: 22%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

6 / 9 mph 88 / 91°F 62% 1012 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 32%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

5 / 7 mph 82 / 91°F 84% 1013 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 10%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

4 / 7 mph 77 / 83°F 94% 1015 mb
Low level cloud: 43%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 08
Jun
01:00

SSW
SSW

3 / 5 mph 75 / 80°F 97% 1014 mb
Low level cloud: 44%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

2 / 4 mph 74 / 78°F 98% 1014 mb
Low level cloud: 50%
Mid level cloud: 14%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

1 / 2 mph 77 / 78°F 94% 1015 mb
Low level cloud: 46%
Mid level cloud: 19%
High level cloud: 22%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

3 / 3 mph 85 / 89°F 68% 1016 mb
Low level cloud: 75%
Mid level cloud: 15%
High level cloud: 21%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

3 / 4 mph 90 / 95°F 59% 1013 mb
Low level cloud: 37%
Mid level cloud: 19%
High level cloud: 25%
Most Significant Cloud Type: low
46%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

S
S

4 / 6 mph 90 / 96°F 63% 1011 mb
Low level cloud: 13%
Mid level cloud: 22%
High level cloud: 38%
Most Significant Cloud Type: low
25%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

S
S

6 / 10 mph 80 / 87°F 89% 1013 mb
Low level cloud: 18%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: low
40%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

SSW
SSW

5 / 7 mph 78 / 85°F 94% 1014 mb
Low level cloud: 8%
Mid level cloud: 14%
High level cloud: 32%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 09
Jun
01:00

SSW
SSW

3 / 6 mph 78 / 85°F 96% 1015 mb
Low level cloud: 98%
Mid level cloud: 18%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WSW
WSW

3 / 6 mph 77 / 83°F 96% 1015 mb
Low level cloud: 57%
Mid level cloud: 18%
High level cloud: 4%
Most Significant Cloud Type: low
64%
0.0 In
13:00

W
W

2 / 4 mph 91 / 103°F 62% 1013 mb
Low level cloud: 40%
Mid level cloud: 23%
High level cloud: 6%
Most Significant Cloud Type: low
48%
0.0 In
19:00

SW
SW

6 / 12 mph 82 / 94°F 90% 1012 mb
Low level cloud: 33%
Mid level cloud: 27%
High level cloud: 33%
Most Significant Cloud Type: low
46%
0.0 In
Tue 10
Jun
01:00

SW
SW

3 / 6 mph 79 / 86°F 97% 1013 mb
Low level cloud: 52%
Mid level cloud: 47%
High level cloud: 32%
Most Significant Cloud Type: low
72%
0.0 In
07:00

SW
SW

2 / 4 mph 77 / 83°F 98% 1013 mb
Low level cloud: 74%
Mid level cloud: 24%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
13:00

WSW
WSW

5 / 10 mph 86 / 95°F 67% 1013 mb
Low level cloud: 68%
Mid level cloud: 36%
High level cloud: 11%
Most Significant Cloud Type: low
81%
0.0 In
19:00

SW
SW

7 / 15 mph 88 / 109°F 85% 1011 mb
Low level cloud: 48%
Mid level cloud: 46%
High level cloud: 64%
Most Significant Cloud Type: low
71%
0.0 In
Wed 11
Jun
01:00

SW
SW

4 / 9 mph 77 / 84°F 98% 1013 mb
Low level cloud: 54%
Mid level cloud: 46%
High level cloud: 58%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WSW
WSW

2 / 4 mph 77 / 82°F 96% 1013 mb
Low level cloud: 67%
Mid level cloud: 39%
High level cloud: 36%
Most Significant Cloud Type: low
85%
0.1 In
13:00

W
W

0 / 1 mph 90 / 103°F 67% 1012 mb
Low level cloud: 43%
Mid level cloud: 29%
High level cloud: 8%
Most Significant Cloud Type: low
54%
0.1 In
19:00

SW
SW

2 / 4 mph 77 / 82°F 95% 1013 mb
Low level cloud: 45%
Mid level cloud: 32%
High level cloud: 32%
Most Significant Cloud Type: low
59%
0.4 In
Thu 12
Jun
01:00

WSW
WSW

3 / 6 mph 76 / 82°F 99% 1012 mb
Low level cloud: 89%
Mid level cloud: 26%
High level cloud: 22%
Most Significant Cloud Type: low
100%
0.4 In
07:00

NE
NE

1 / 1 mph 75 / 79°F 96% 1014 mb
Low level cloud: 48%
Mid level cloud: 28%
High level cloud: 18%
Most Significant Cloud Type: low
60%
0.0 In
13:00

SW
SW

5 / 11 mph 88 / 96°F 63% 1010 mb
Low level cloud: 67%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
86%
0.0 In
19:00

SSW
SSW

4 / 8 mph 81 / 90°F 93% 1012 mb
Low level cloud: 28%
Mid level cloud: 53%
High level cloud: 24%
Most Significant Cloud Type: low
49%
0.2 In
Fri 13
Jun
01:00

SSW
SSW

3 / 6 mph 77 / 83°F 99% 1012 mb
Low level cloud: 67%
Mid level cloud: 16%
High level cloud: 21%
Most Significant Cloud Type: low
75%
0.5 In
07:00

NW
NW

1 / 1 mph 75 / 80°F 98% 1014 mb
Low level cloud: 87%
Mid level cloud: 22%
High level cloud: 9%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNW
NNW

2 / 5 mph 89 / 100°F 64% 1012 mb
Low level cloud: 43%
Mid level cloud: 27%
High level cloud: 17%
Most Significant Cloud Type: low
54%
0.0 In
19:00

WSW
WSW

4 / 8 mph 85 / 99°F 87% 1012 mb
Low level cloud: 29%
Mid level cloud: 22%
High level cloud: 17%
Most Significant Cloud Type: low
38%
0.1 In
Sat 14
Jun
01:00

S
S

3 / 7 mph 79 / 87°F 98% 1012 mb
Low level cloud: 40%
Mid level cloud: 15%
High level cloud: 4%
Most Significant Cloud Type: low
45%
0.2 In
07:00

W
W

2 / 4 mph 76 / 82°F 97% 1014 mb
Low level cloud: 52%
Mid level cloud: 20%
High level cloud: 4%
Most Significant Cloud Type: low
58%
0.1 In
13:00

SW
SW

3 / 6 mph 91 / 102°F 58% 1012 mb
Low level cloud: 77%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: low
83%
0.0 In
19:00

SW
SW

5 / 10 mph 82 / 93°F 89% 1013 mb
Low level cloud: 53%
Mid level cloud: 45%
High level cloud: 52%
Most Significant Cloud Type: low
75%
0.2 In
Sun 15
Jun
01:00

SW
SW

4 / 8 mph 79 / 87°F 98% 1013 mb
Low level cloud: 42%
Mid level cloud: 17%
High level cloud: 10%
Most Significant Cloud Type: low
48%
0.1 In
07:00

SW
SW

2 / 4 mph 76 / 82°F 98% 1013 mb
Low level cloud: 86%
Mid level cloud: 44%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.0 In
13:00

WSW
WSW

4 / 9 mph 91 / 103°F 60% 1012 mb
Low level cloud: 56%
Mid level cloud: 18%
High level cloud: 8%
Most Significant Cloud Type: low
63%
0.0 In
19:00

SW
SW

6 / 13 mph 80 / 89°F 92% 1012 mb
Low level cloud: 58%
Mid level cloud: 45%
High level cloud: 30%
Most Significant Cloud Type: low
77%
0.3 In
Mon 16
Jun
01:00

WSW
WSW

5 / 10 mph 78 / 85°F 97% 1011 mb
Low level cloud: 69%
Mid level cloud: 35%
High level cloud: 12%
Most Significant Cloud Type: low
82%
0.1 In
07:00

SSW
SSW

2 / 5 mph 76 / 82°F 97% 1014 mb
Low level cloud: 72%
Mid level cloud: 45%
High level cloud: 22%
Most Significant Cloud Type: low
90%
0.0 In
13:00

SW
SW

3 / 6 mph 78 / 82°F 85% 1011 mb
Low level cloud: 5%
Mid level cloud: 29%
High level cloud: 41%
Most Significant Cloud Type: medium
45%
0.9 In
19:00

SW
SW

5 / 10 mph 82 / 92°F 89% 1012 mb
Low level cloud: 18%
Mid level cloud: 18%
High level cloud: 33%
Most Significant Cloud Type: low
27%
0.0 In
Tue 17
Jun
01:00

SSW
SSW

2 / 5 mph 79 / 87°F 97% 1012 mb
Low level cloud: 48%
Mid level cloud: 16%
High level cloud: 42%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NW
NW

2 / 4 mph 75 / 80°F 98% 1015 mb
Low level cloud: 45%
Mid level cloud: 48%
High level cloud: 21%
Most Significant Cloud Type: low
64%
0.1 In
13:00

SW
SW

4 / 9 mph 89 / 99°F 60% 1011 mb
Low level cloud: 81%
Mid level cloud: 25%
High level cloud: 13%
Most Significant Cloud Type: low
91%
0.0 In
19:00

W
W

5 / 11 mph 83 / 93°F 84% 1012 mb
Low level cloud: 41%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: low
60%
0.0 In

Other Locations Near to Ihiala

Cities and Towns: Onitsha, Nigeria

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