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Mazatenango 14 Day Long Range Forecast

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

Guatemala

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

Over the next 14 days the Mazatenango forecast suggests the average daytime maximum temperature will be around 32°C, with a high for the two weeks of 32°C expected on the afternoon of Tuesday 7th. The mean minimum temperature will be 17°C, dipping to its lowest on the morning of Sunday 5th at 16°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. It looks like Saturday 4th will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 02
Jan
00:00

NNE
NNE

5 / 11 mph 65 / 65°F 83% 1016 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 83%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

5 / 11 mph 62 / 62°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 62%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

5 / 11 mph 62 / 62°F 66% 1014 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

1 / 2 mph 83 / 82°F 53% 1016 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 28%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

4 / 4 mph 88 / 90°F 51% 1014 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 6%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

4 / 6 mph 88 / 89°F 58% 1012 mb
Low level cloud: 4%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

3 / 6 mph 68 / 68°F 91% 1014 mb
Low level cloud: 3%
Mid level cloud: 20%
High level cloud: 7%
Most Significant Cloud Type: medium
27%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNE
NNE

6 / 13 mph 65 / 65°F 93% 1016 mb
Low level cloud: 1%
Mid level cloud: 14%
High level cloud: 42%
Most Significant Cloud Type: medium
19%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Fri 03
Jan
18:00

NNW
NNW

2 / 5 mph 68 / 68°F 92% 1015 mb
Low level cloud: 2%
Mid level cloud: 19%
High level cloud: 1%
Most Significant Cloud Type: medium
24%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNE
NNE

6 / 12 mph 65 / 65°F 91% 1017 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
Sat 04
Jan
00:00

NNE
NNE

5 / 10 mph 63 / 62°F 82% 1016 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 9%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

5 / 10 mph 62 / 62°F 74% 1015 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 99%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

5 / 11 mph 62 / 62°F 66% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 19%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

0 / 0 mph 82 / 81°F 52% 1017 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 17%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

4 / 5 mph 88 / 89°F 50% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 32%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

6 / 8 mph 88 / 91°F 57% 1012 mb
Low level cloud: 1%
Mid level cloud: 44%
High level cloud: 4%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

2 / 3 mph 67 / 67°F 91% 1014 mb
Low level cloud: 3%
Mid level cloud: 23%
High level cloud: 7%
Most Significant Cloud Type: medium
31%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNE
NNE

5 / 10 mph 64 / 65°F 94% 1017 mb
Low level cloud: 1%
Mid level cloud: 28%
High level cloud: 16%
Most Significant Cloud Type: medium
30%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 05
Jan
00:00

NNE
NNE

5 / 10 mph 63 / 63°F 89% 1016 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

5 / 10 mph 61 / 61°F 81% 1015 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 34%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

5 / 10 mph 61 / 62°F 74% 1016 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
09:00

SSW
SSW

2 / 2 mph 83 / 83°F 56% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 5%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

5 / 6 mph 88 / 91°F 51% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 7%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

6 / 7 mph 89 / 91°F 56% 1012 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
18:00

NW
NW

2 / 4 mph 72 / 76°F 82% 1013 mb
Low level cloud: 21%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

4 / 8 mph 67 / 67°F 87% 1016 mb
Low level cloud: 1%
Mid level cloud: 17%
High level cloud: 1%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
Jan
00:00

N
N

4 / 9 mph 65 / 65°F 88% 1015 mb
Low level cloud: 2%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

4 / 8 mph 63 / 63°F 84% 1014 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

4 / 9 mph 63 / 63°F 81% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

3 / 3 mph 83 / 83°F 61% 1016 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

5 / 6 mph 90 / 92°F 49% 1013 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
15:00

SW
SW

6 / 7 mph 90 / 93°F 49% 1010 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

2 / 5 mph 72 / 76°F 77% 1012 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

3 / 7 mph 69 / 69°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 07
Jan
00:00

NNE
NNE

4 / 9 mph 66 / 66°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
03:00

NNE
NNE

5 / 10 mph 65 / 65°F 71% 1013 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

5 / 10 mph 64 / 64°F 69% 1014 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
09:00

S
S

1 / 2 mph 84 / 84°F 53% 1015 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
12:00

SSW
SSW

5 / 6 mph 90 / 92°F 47% 1013 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

6 / 7 mph 90 / 94°F 55% 1011 mb
Low level cloud: 1%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

2 / 3 mph 71 / 71°F 88% 1013 mb
Low level cloud: 14%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

4 / 9 mph 68 / 68°F 93% 1015 mb
Low level cloud: 6%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Wed 08
Jan
00:00

NNE
NNE

5 / 11 mph 65 / 65°F 87% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

5 / 11 mph 64 / 64°F 78% 1013 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

5 / 11 mph 63 / 63°F 71% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

1 / 2 mph 84 / 83°F 53% 1016 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
12:00

SSW
SSW

6 / 6 mph 90 / 93°F 50% 1014 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

SW
SW

6 / 8 mph 86 / 89°F 70% 1012 mb
Low level cloud: 16%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

2 / 4 mph 70 / 70°F 88% 1013 mb
Low level cloud: 8%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NNE
NNE

4 / 8 mph 67 / 67°F 95% 1015 mb
Low level cloud: 5%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 09
Jan
00:00

NNE
NNE

4 / 9 mph 72 / 76°F 85% 1013 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
0.0 In
06:00

N
N

4 / 9 mph 67 / 67°F 89% 1012 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
0.0 In
12:00

SSW
SSW

5 / 10 mph 92 / 101°F 53% 1012 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
18:00

WNW
WNW

2 / 4 mph 74 / 78°F 87% 1013 mb
Low level cloud: 36%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
Fri 10
Jan
00:00

NNE
NNE

4 / 9 mph 68 / 68°F 93% 1014 mb
Low level cloud: 6%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
41%
0.0 In
06:00

NNE
NNE

5 / 10 mph 68 / 68°F 88% 1013 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
12:00

SSW
SSW

5 / 11 mph 92 / 101°F 53% 1012 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 13%
Most Significant Cloud Type: medium
13%
0.0 In
18:00

SSW
SSW

1 / 1 mph 76 / 79°F 84% 1012 mb
Low level cloud: 47%
Mid level cloud: 43%
High level cloud: 18%
Most Significant Cloud Type: low
63%
0.0 In
Sat 11
Jan
00:00

NNE
NNE

4 / 8 mph 69 / 69°F 90% 1014 mb
Low level cloud: 3%
Mid level cloud: 22%
High level cloud: 16%
Most Significant Cloud Type: medium
31%
0.0 In
06:00

NNE
NNE

4 / 7 mph 66 / 66°F 92% 1013 mb
Low level cloud: 8%
Mid level cloud: 30%
High level cloud: 78%
Most Significant Cloud Type: medium
54%
0.2 In
12:00

S
S

5 / 10 mph 92 / 101°F 55% 1012 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 5%
Most Significant Cloud Type: medium
17%
0.0 In
18:00

NNW
NNW

2 / 3 mph 72 / 76°F 90% 1012 mb
Low level cloud: 31%
Mid level cloud: 32%
High level cloud: 14%
Most Significant Cloud Type: low
43%
0.1 In
Sun 12
Jan
00:00

NNE
NNE

4 / 9 mph 67 / 67°F 94% 1014 mb
Low level cloud: 22%
Mid level cloud: 26%
High level cloud: 3%
Most Significant Cloud Type: low
31%
0.3 In
06:00

NNE
NNE

4 / 8 mph 69 / 69°F 76% 1013 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 4%
Most Significant Cloud Type: medium
11%
0.0 In
12:00

SSW
SSW

5 / 10 mph 92 / 101°F 54% 1013 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 8%
Most Significant Cloud Type: medium
7%
0.0 In
18:00

NNW
NNW

0 / 1 mph 75 / 79°F 85% 1013 mb
Low level cloud: 38%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
53%
0.0 In
Mon 13
Jan
00:00

N
N

4 / 7 mph 69 / 69°F 93% 1015 mb
Low level cloud: 26%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.1 In
06:00

NNE
NNE

4 / 10 mph 68 / 68°F 65% 1015 mb
Low level cloud: 1%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
0.0 In
12:00

SW
SW

6 / 12 mph 91 / 101°F 58% 1014 mb
Low level cloud: 7%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.0 In
18:00

WNW
WNW

2 / 4 mph 74 / 78°F 87% 1014 mb
Low level cloud: 32%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
43%
0.0 In
Tue 14
Jan
00:00

NNE
NNE

4 / 9 mph 72 / 76°F 85% 1015 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.1 In
06:00

NNE
NNE

5 / 10 mph 68 / 68°F 64% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
12:00

SSW
SSW

5 / 10 mph 92 / 101°F 52% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
18:00

WNW
WNW

1 / 2 mph 75 / 79°F 85% 1014 mb
Low level cloud: 22%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
Wed 15
Jan
00:00

NNE
NNE

4 / 9 mph 71 / 71°F 78% 1014 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
0.0 In
06:00

N
N

4 / 9 mph 68 / 68°F 84% 1015 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
12:00

SSW
SSW

5 / 11 mph 92 / 99°F 50% 1013 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
18:00

W
W

2 / 5 mph 77 / 80°F 79% 1013 mb
Low level cloud: 8%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
48%
0.0 In
Thu 16
Jan
00:00

N
N

4 / 7 mph 72 / 76°F 91% 1013 mb
Low level cloud: 5%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In
06:00

N
N

4 / 8 mph 70 / 70°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
12:00

SW
SW

5 / 11 mph 91 / 99°F 55% 1013 mb
Low level cloud: 10%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
18:00

WSW
WSW

2 / 5 mph 77 / 81°F 83% 1013 mb
Low level cloud: 55%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
Fri 17
Jan
00:00

NNE
NNE

4 / 8 mph 69 / 69°F 89% 1014 mb
Low level cloud: 3%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
0.1 In
06:00

N
N

3 / 7 mph 69 / 69°F 83% 1014 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
12:00

SSW
SSW

5 / 11 mph 92 / 101°F 53% 1013 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
18:00

WSW
WSW

2 / 4 mph 77 / 81°F 79% 1011 mb
Low level cloud: 5%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
36%
0.0 In

Other Locations Near to Mazatenango

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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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.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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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.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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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.
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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.
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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.
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Pressure