WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Oasby 14 Day Long Range Forecast

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

Lincolnshire, United Kingdom

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

The outlook for Oasby in the two weeks ahead shows the average daytime maximum temperature will be around 17°C, with a high for the two weeks of 20°C expected on the afternoon of Saturday 25th. The average minimum temperature will be 9°C, dipping to its lowest on the morning of Tuesday 21st at 4°C. Expect the coming 14 days to have most days seeing a little rain. The current forecast indicates Thursday 23rd will have the most precipitation with an accumulation of around 29.0mm. On the whole winds are likely to be moderate.

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

ENE
ENE

8 / 12 mph 63 / 60°F 91% 1011 mb
Low level cloud: 34%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

5 / 9 mph 54 / 53°F 96% 1013 mb
Low level cloud: 28%
Mid level cloud: 12%
High level cloud: 83%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May
00:00

N
N

5 / 10 mph 51 / 49°F 97% 1013 mb
Low level cloud: 26%
Mid level cloud: 9%
High level cloud: 3%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

7 / 13 mph 49 / 46°F 99% 1013 mb
Low level cloud: 74%
Mid level cloud: 15%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

9 / 14 mph 52 / 48°F 96% 1013 mb
Low level cloud: 81%
Mid level cloud: 28%
High level cloud: 4%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

11 / 15 mph 59 / 57°F 88% 1014 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

9 / 12 mph 64 / 62°F 85% 1014 mb
Low level cloud: 39%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

9 / 13 mph 64 / 63°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 56%
High level cloud: 0%
Most Significant Cloud Type: medium
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

11 / 15 mph 60 / 59°F 83% 1015 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
21:00

N
N

7 / 12 mph 52 / 48°F 96% 1016 mb
Low level cloud: 13%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May
00:00

N
N

6 / 13 mph 48 / 44°F 98% 1016 mb
Low level cloud: 38%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

7 / 13 mph 47 / 43°F 98% 1016 mb
Low level cloud: 49%
Mid level cloud: 0%
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

N
N

8 / 13 mph 50 / 46°F 94% 1017 mb
Low level cloud: 32%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

9 / 12 mph 61 / 60°F 75% 1017 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

10 / 13 mph 66 / 64°F 64% 1017 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

11 / 15 mph 65 / 64°F 63% 1016 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
18:00

NE
NE

9 / 13 mph 60 / 57°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

6 / 12 mph 52 / 48°F 96% 1018 mb
Low level cloud: 14%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May
00:00

N
N

6 / 11 mph 47 / 44°F 98% 1017 mb
Low level cloud: 57%
Mid level cloud: 12%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

6 / 12 mph 46 / 42°F 99% 1017 mb
Low level cloud: 69%
Mid level cloud: 14%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

8 / 12 mph 49 / 45°F 93% 1017 mb
Low level cloud: 40%
Mid level cloud: 25%
High level cloud: 9%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

11 / 13 mph 57 / 54°F 76% 1016 mb
Low level cloud: 48%
Mid level cloud: 27%
High level cloud: 3%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

10 / 13 mph 58 / 54°F 70% 1015 mb
Low level cloud: 7%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

11 / 14 mph 60 / 57°F 61% 1014 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

9 / 12 mph 56 / 52°F 72% 1013 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 6%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

6 / 13 mph 47 / 42°F 89% 1013 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 4%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

N
N

6 / 11 mph 44 / 40°F 93% 1012 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

6 / 12 mph 42 / 38°F 92% 1011 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

6 / 10 mph 46 / 41°F 76% 1011 mb
Low level cloud: 8%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

5 / 6 mph 56 / 53°F 64% 1010 mb
Low level cloud: 15%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

4 / 5 mph 63 / 61°F 63% 1009 mb
Low level cloud: 3%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

1 / 2 mph 67 / 64°F 63% 1009 mb
Low level cloud: 31%
Mid level cloud: 13%
High level cloud: 2%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

1 / 1 mph 67 / 64°F 75% 1009 mb
Low level cloud: 38%
Mid level cloud: 6%
High level cloud: 17%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

4 / 9 mph 56 / 53°F 92% 1010 mb
Low level cloud: 4%
Mid level cloud: 12%
High level cloud: 100%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
00:00

SSE
SSE

2 / 5 mph 53 / 53°F 92% 1010 mb
Low level cloud: 9%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: medium
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

1 / 3 mph 52 / 52°F 91% 1010 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

3 / 5 mph 54 / 53°F 88% 1010 mb
Low level cloud: 15%
Mid level cloud: 68%
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

NNW
NNW

6 / 9 mph 57 / 56°F 85% 1011 mb
Low level cloud: 22%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

8 / 11 mph 58 / 56°F 88% 1011 mb
Low level cloud: 62%
Mid level cloud: 69%
High level cloud: 100%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

5 / 7 mph 56 / 55°F 96% 1011 mb
Low level cloud: 55%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
98%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

NNW
NNW

9 / 13 mph 55 / 52°F 95% 1011 mb
Low level cloud: 51%
Mid level cloud: 67%
High level cloud: 100%
Most Significant Cloud Type: low
86%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NW
NW

11 / 18 mph 52 / 48°F 97% 1011 mb
Low level cloud: 96%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Thu 23
May
00:00

NW
NW

15 / 22 mph 51 / 47°F 97% 1011 mb
Low level cloud: 99%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
03:00

NW
NW

16 / 25 mph 49 / 43°F 97% 1011 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
06:00

NW
NW

17 / 26 mph 47 / 40°F 96% 1011 mb
Low level cloud: 99%
Mid level cloud: 94%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
09:00

W
W

16 / 25 mph 50 / 44°F 95% 1011 mb
Low level cloud: 100%
Mid level cloud: 97%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
12:00

W
W

14 / 21 mph 49 / 44°F 96% 1012 mb
Low level cloud: 94%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
15:00

W
W

13 / 20 mph 50 / 46°F 94% 1013 mb
Low level cloud: 91%
Mid level cloud: 73%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

WSW
WSW

13 / 21 mph 50 / 44°F 94% 1014 mb
Low level cloud: 79%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

8 / 13 mph 48 / 43°F 95% 1016 mb
Low level cloud: 23%
Mid level cloud: 46%
High level cloud: 90%
Most Significant Cloud Type: low
49%
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

NW
NW

6 / 12 mph 47 / 43°F 99% 1011 mb
Low level cloud: 81%
Mid level cloud: 14%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.0 In
06:00

W
W

5 / 10 mph 50 / 48°F 90% 1014 mb
Low level cloud: 2%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: medium
27%
0.0 In
12:00

ENE
ENE

17 / 33 mph 57 / 53°F 78% 1019 mb
Low level cloud: 92%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
18:00

ESE
ESE

5 / 11 mph 63 / 63°F 93% 1019 mb
Low level cloud: 28%
Mid level cloud: 54%
High level cloud: 78%
Most Significant Cloud Type: low
56%
0.0 In
Sat 25
May
00:00

NNE
NNE

9 / 17 mph 50 / 46°F 97% 1021 mb
Low level cloud: 49%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
48%
0.0 In
06:00

NW
NW

4 / 7 mph 58 / 58°F 90% 1023 mb
Low level cloud: 10%
Mid level cloud: 2%
High level cloud: 32%
Most Significant Cloud Type: low
14%
0.0 In
12:00

SSW
SSW

9 / 17 mph 58 / 57°F 58% 1020 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 64%
Most Significant Cloud Type: medium
9%
0.0 In
18:00

SSE
SSE

10 / 19 mph 64 / 64°F 84% 1020 mb
Low level cloud: 14%
Mid level cloud: 59%
High level cloud: 3%
Most Significant Cloud Type: medium
96%
0.0 In
Sun 26
May
00:00

ESE
ESE

8 / 16 mph 51 / 48°F 95% 1016 mb
Low level cloud: 58%
Mid level cloud: 69%
High level cloud: 59%
Most Significant Cloud Type: low
89%
0.0 In
06:00

SE
SE

7 / 13 mph 50 / 47°F 89% 1020 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
0.0 In
12:00

E
E

16 / 33 mph 63 / 63°F 79% 1015 mb
Low level cloud: 39%
Mid level cloud: 46%
High level cloud: 35%
Most Significant Cloud Type: low
59%
0.0 In
18:00

SSW
SSW

11 / 24 mph 60 / 60°F 89% 1014 mb
Low level cloud: 75%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
Mon 27
May
00:00

NNE
NNE

7 / 16 mph 49 / 46°F 99% 1016 mb
Low level cloud: 65%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

W
W

10 / 21 mph 50 / 47°F 94% 1015 mb
Low level cloud: 35%
Mid level cloud: 6%
High level cloud: 31%
Most Significant Cloud Type: low
40%
0.1 In
12:00

NE
NE

12 / 26 mph 63 / 63°F 76% 1016 mb
Low level cloud: 95%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
95%
0.0 In
18:00

WNW
WNW

14 / 29 mph 54 / 50°F 75% 1018 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Tue 28
May
00:00

NNE
NNE

3 / 6 mph 56 / 56°F 92% 1015 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
06:00

W
W

8 / 17 mph 46 / 42°F 85% 1022 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
0.0 In
12:00

WSW
WSW

6 / 11 mph 67 / 67°F 68% 1012 mb
Low level cloud: 37%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: low
50%
0.0 In
18:00

NNE
NNE

4 / 9 mph 58 / 58°F 74% 1022 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
0.1 In
Wed 29
May
00:00

WSW
WSW

5 / 11 mph 57 / 57°F 94% 1008 mb
Low level cloud: 4%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
59%
0.0 In
06:00

WSW
WSW

2 / 5 mph 52 / 52°F 80% 1022 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
12:00

W
W

4 / 9 mph 59 / 59°F 66% 1009 mb
Low level cloud: 7%
Mid level cloud: 29%
High level cloud: 1%
Most Significant Cloud Type: medium
47%
0.0 In
18:00

SW
SW

8 / 17 mph 49 / 46°F 88% 1019 mb
Low level cloud: 78%
Mid level cloud: 91%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
Thu 30
May
00:00

WSW
WSW

6 / 13 mph 45 / 42°F 84% 1010 mb
Low level cloud: 52%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
06:00

W
W

10 / 20 mph 52 / 48°F 96% 1017 mb
Low level cloud: 91%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: low
92%
0.2 In
12:00

WSW
WSW

12 / 25 mph 58 / 55°F 66% 1009 mb
Low level cloud: 45%
Mid level cloud: 46%
High level cloud: 2%
Most Significant Cloud Type: low
61%
0.0 In
18:00

W
W

10 / 20 mph 57 / 55°F 73% 1019 mb
Low level cloud: 20%
Mid level cloud: 14%
High level cloud: 32%
Most Significant Cloud Type: low
28%
0.0 In
Fri 31
May
00:00

SW
SW

6 / 13 mph 48 / 45°F 93% 1008 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.1 In
06:00

WSW
WSW

7 / 14 mph 50 / 47°F 86% 1020 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
22%
0.0 In
12:00

NW
NW

7 / 14 mph 55 / 53°F 79% 1009 mb
Low level cloud: 70%
Mid level cloud: 37%
High level cloud: 0%
Most Significant Cloud Type: low
82%
0.1 In
18:00

SW
SW

8 / 17 mph 53 / 51°F 89% 1019 mb
Low level cloud: 2%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
53%
0.0 In
Sat 01
Jun
00:00

WNW
WNW

7 / 14 mph 47 / 43°F 94% 1013 mb
Low level cloud: 30%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.2 In
06:00

WSW
WSW

11 / 22 mph 54 / 51°F 91% 1018 mb
Low level cloud: 36%
Mid level cloud: 0%
High level cloud: 39%
Most Significant Cloud Type: low
40%
0.0 In
12:00

NNW
NNW

6 / 14 mph 58 / 57°F 72% 1017 mb
Low level cloud: 52%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
54%
0.1 In
18:00

W
W

6 / 12 mph 64 / 64°F 74% 1021 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 20%
Most Significant Cloud Type: medium
3%
0.0 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