WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Prudentopolis 14 Day Long Range Forecast

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

Brazil

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

Over the next 14 days the Prudentopolis forecast suggests the average daytime maximum temperature will be around 28°C, with a high for the two weeks of 31°C expected on the afternoon of Thursday 9th. The average minimum temperature will be 17°C, dipping to its lowest on the morning of Sunday 12th at 13°C. Expect the coming 14 days to remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 02
May
01:00

WNW
WNW

1 / 1 mph 70 / 70°F 81% 1011 mb
Low level cloud: 0%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: medium
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

2 / 3 mph 69 / 69°F 87% 1010 mb
Low level cloud: 5%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

2 / 5 mph 67 / 67°F 95% 1010 mb
Low level cloud: 32%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

5 / 7 mph 76 / 77°F 69% 1011 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

9 / 11 mph 84 / 84°F 48% 1009 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

7 / 10 mph 85 / 84°F 47% 1007 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

2 / 4 mph 78 / 80°F 64% 1008 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

1 / 1 mph 71 / 71°F 81% 1010 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 03
May
19:00

N
N

2 / 4 mph 76 / 78°F 67% 1010 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 35%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

1 / 2 mph 71 / 71°F 77% 1012 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
Sat 04
May
01:00

NW
NW

1 / 2 mph 68 / 68°F 83% 1012 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
04:00

NNW
NNW

1 / 3 mph 66 / 66°F 85% 1012 mb
Low level cloud: 1%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

2 / 4 mph 65 / 65°F 86% 1013 mb
Low level cloud: 2%
Mid level cloud: 14%
High level cloud: 19%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

2 / 3 mph 73 / 76°F 67% 1015 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
13:00

NNW
NNW

4 / 5 mph 77 / 78°F 57% 1015 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 32%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

5 / 6 mph 83 / 82°F 48% 1013 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 33%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

1 / 1 mph 76 / 79°F 70% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 17%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

0 / 1 mph 72 / 76°F 79% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 20%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May
01:00

SSW
SSW

2 / 3 mph 69 / 69°F 84% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 2%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

2 / 3 mph 67 / 67°F 87% 1017 mb
Low level cloud: 4%
Mid level cloud: 4%
High level cloud: 3%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

2 / 4 mph 63 / 63°F 95% 1018 mb
Low level cloud: 32%
Mid level cloud: 2%
High level cloud: 1%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

1 / 1 mph 71 / 69°F 68% 1019 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 8%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

3 / 4 mph 83 / 82°F 42% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

3 / 4 mph 87 / 84°F 36% 1013 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 7%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

1 / 2 mph 76 / 79°F 66% 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
22:00

SSW
SSW

2 / 4 mph 72 / 76°F 78% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May
01:00

SE
SE

2 / 4 mph 68 / 68°F 85% 1017 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
04:00

S
S

3 / 5 mph 65 / 65°F 88% 1016 mb
Low level cloud: 8%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

2 / 4 mph 62 / 62°F 93% 1017 mb
Low level cloud: 25%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

0 / 1 mph 71 / 69°F 68% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

5 / 6 mph 83 / 81°F 39% 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
16:00

N
N

6 / 8 mph 85 / 82°F 32% 1012 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

2 / 4 mph 75 / 78°F 65% 1013 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
22:00

S
S

2 / 3 mph 69 / 69°F 76% 1015 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
Tue 07
May
01:00

S
S

1 / 2 mph 65 / 65°F 84% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

1 / 2 mph 62 / 62°F 87% 1014 mb
Low level cloud: 2%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

1 / 2 mph 60 / 60°F 87% 1014 mb
Low level cloud: 2%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

1 / 2 mph 69 / 67°F 60% 1015 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
13:00

NNW
NNW

6 / 7 mph 81 / 80°F 40% 1013 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
16:00

NW
NW

6 / 8 mph 84 / 82°F 36% 1010 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

0 / 1 mph 74 / 77°F 69% 1011 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
22:00

SSW
SSW

1 / 2 mph 69 / 69°F 79% 1013 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
Wed 08
May
01:00

S
S

2 / 3 mph 67 / 67°F 87% 1013 mb
Low level cloud: 2%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

2 / 3 mph 64 / 64°F 90% 1013 mb
Low level cloud: 11%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

1 / 2 mph 63 / 63°F 92% 1013 mb
Low level cloud: 20%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

2 / 3 mph 72 / 76°F 65% 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
13:00

NNW
NNW

7 / 9 mph 83 / 82°F 47% 1012 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

7 / 9 mph 88 / 85°F 39% 1009 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
19:00

NE
NE

1 / 2 mph 77 / 80°F 62% 1011 mb
Low level cloud: 0%
Mid level cloud: 81%
High level cloud: 0%
Most Significant Cloud Type: medium
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

1 / 2 mph 75 / 78°F 67% 1013 mb
Low level cloud: 0%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: medium
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 09
May
04:00

NNW
NNW

0 / 1 mph 69 / 69°F 84% 1014 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
10:00

SE
SE

2 / 2 mph 72 / 76°F 69% 1019 mb
Low level cloud: 0%
Mid level cloud: 49%
High level cloud: 1%
Most Significant Cloud Type: medium
49%
0.0 In
16:00

NNW
NNW

2 / 2 mph 82 / 87°F 69% 1014 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 4%
Most Significant Cloud Type: medium
27%
0.0 In
22:00

WNW
WNW

0 / 0 mph 74 / 77°F 67% 1014 mb
Low level cloud: 0%
Mid level cloud: 41%
High level cloud: 0%
Most Significant Cloud Type: medium
41%
0.0 In
Fri 10
May
04:00

S
S

2 / 4 mph 68 / 69°F 84% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
10:00

SE
SE

1 / 2 mph 74 / 77°F 65% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
16:00

N
N

5 / 7 mph 84 / 84°F 39% 1012 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
22:00

NW
NW

2 / 2 mph 73 / 77°F 78% 1015 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.0 In
Sat 11
May
04:00

SSE
SSE

3 / 5 mph 64 / 64°F 92% 1015 mb
Low level cloud: 25%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
10:00

ENE
ENE

2 / 3 mph 67 / 67°F 80% 1018 mb
Low level cloud: 48%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
59%
0.0 In
16:00

NW
NW

5 / 8 mph 80 / 81°F 49% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
0.0 In
22:00

SSE
SSE

4 / 7 mph 64 / 64°F 98% 1018 mb
Low level cloud: 72%
Mid level cloud: 31%
High level cloud: 18%
Most Significant Cloud Type: low
84%
0.0 In
Sun 12
May
04:00

SSE
SSE

4 / 6 mph 62 / 62°F 93% 1017 mb
Low level cloud: 94%
Mid level cloud: 16%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
10:00

ENE
ENE

2 / 3 mph 63 / 63°F 85% 1019 mb
Low level cloud: 76%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
16:00

SSE
SSE

3 / 4 mph 67 / 67°F 87% 1018 mb
Low level cloud: 27%
Mid level cloud: 61%
High level cloud: 0%
Most Significant Cloud Type: low
48%
0.0 In
22:00

S
S

1 / 1 mph 71 / 71°F 82% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
Mon 13
May
04:00

SSE
SSE

3 / 4 mph 62 / 62°F 94% 1019 mb
Low level cloud: 75%
Mid level cloud: 10%
High level cloud: 11%
Most Significant Cloud Type: low
80%
0.0 In
10:00

N
N

3 / 4 mph 70 / 70°F 66% 1015 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
0.0 In
16:00

NW
NW

4 / 5 mph 83 / 84°F 45% 1014 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.0 In
22:00

WSW
WSW

1 / 1 mph 74 / 77°F 67% 1011 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 3%
Most Significant Cloud Type: medium
14%
0.0 In
Tue 14
May
04:00

SSW
SSW

0 / 1 mph 66 / 66°F 94% 1015 mb
Low level cloud: 25%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
10:00

NW
NW

1 / 1 mph 72 / 76°F 63% 1013 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
16:00

NNW
NNW

7 / 9 mph 82 / 82°F 45% 1012 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
22:00

S
S

2 / 3 mph 68 / 68°F 84% 1014 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
Wed 15
May
04:00

S
S

2 / 4 mph 65 / 65°F 89% 1013 mb
Low level cloud: 8%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
0.0 In
10:00

SSE
SSE

1 / 2 mph 64 / 64°F 90% 1015 mb
Low level cloud: 23%
Mid level cloud: 30%
High level cloud: 1%
Most Significant Cloud Type: low
34%
0.0 In
16:00

NW
NW

6 / 8 mph 83 / 83°F 39% 1010 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 4%
Most Significant Cloud Type: medium
20%
0.0 In
22:00

SSE
SSE

2 / 3 mph 64 / 64°F 99% 1015 mb
Low level cloud: 73%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.1 In
Thu 16
May
04:00

NW
NW

1 / 1 mph 68 / 68°F 79% 1012 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 57%
Most Significant Cloud Type: medium
16%
0.0 In
10:00

S
S

1 / 1 mph 63 / 63°F 96% 1017 mb
Low level cloud: 56%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
65%
0.0 In
16:00

NNW
NNW

8 / 10 mph 83 / 83°F 37% 1010 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
0.0 In
22:00

S
S

2 / 3 mph 65 / 65°F 97% 1017 mb
Low level cloud: 57%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
86%
0.0 In
Fri 17
May
04:00

SSE
SSE

2 / 3 mph 66 / 66°F 92% 1013 mb
Low level cloud: 19%
Mid level cloud: 17%
High level cloud: 2%
Most Significant Cloud Type: low
24%
0.0 In
10:00

SSE
SSE

1 / 2 mph 63 / 63°F 99% 1018 mb
Low level cloud: 90%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
16:00

NNW
NNW

5 / 7 mph 81 / 80°F 39% 1009 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
22:00

ESE
ESE

4 / 7 mph 61 / 61°F 99% 1016 mb
Low level cloud: 98%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.4 In

Other Locations Near to Prudentopolis

Cities and Towns: Irati, Brazil

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