Weather2 on Twitter Weather2 on Facebook Weather2 on YouTube Weather2 blog

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Phnom Penh 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Phnom Penh

Cambodia

Long range weather outlook for Phnom Penh includes 14 day forecast summary:

For Phnom Penh in the coming two weeks the average daytime maximum temperature will be around 34°C, with a high for the two weeks of 36°C expected on the afternoon of Wednesday 29th. The average minimum temperature will be 26°C, dipping to its lowest on the morning of Tuesday 21st at 25°C. The next 14 days will have mixed overhead conditions with some days dry and some seeing a significant amount of rain. Current predictions suggest Thursday 23rd will have the most precipitation with an accumulation of around 8.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 20
Aug
19:00

WSW
WSW

8 / 11 mph 81 / 88°F 81% 1006 mb
Low level cloud: 0%
Mid level cloud: 37%
High level cloud: 75%
Most Significant Cloud Type: medium
39%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

SW
SW

8 / 11 mph 80 / 85°F 83% 1008 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 89%
Most Significant Cloud Type: medium
49%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 21
Aug
01:00

SW
SW

7 / 11 mph 78 / 83°F 84% 1008 mb
Low level cloud: 1%
Mid level cloud: 50%
High level cloud: 16%
Most Significant Cloud Type: medium
52%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

SW
SW

7 / 10 mph 78 / 83°F 87% 1007 mb
Low level cloud: 18%
Mid level cloud: 39%
High level cloud: 34%
Most Significant Cloud Type: low
35%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

SW
SW

8 / 12 mph 81 / 83°F 84% 1007 mb
Low level cloud: 17%
Mid level cloud: 26%
High level cloud: 52%
Most Significant Cloud Type: low
32%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
10:00

WSW
WSW

12 / 14 mph 88 / 97°F 65% 1008 mb
Low level cloud: 67%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: low
85%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

WSW
WSW

14 / 16 mph 93 / 102°F 55% 1006 mb
Low level cloud: 51%
Mid level cloud: 28%
High level cloud: 13%
Most Significant Cloud Type: low
62%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

WSW
WSW

16 / 21 mph 92 / 100°F 56% 1004 mb
Low level cloud: 4%
Mid level cloud: 25%
High level cloud: 19%
Most Significant Cloud Type: medium
35%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
19:00

SW
SW

12 / 18 mph 83 / 91°F 73% 1005 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 69%
Most Significant Cloud Type: medium
48%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

SW
SW

10 / 13 mph 82 / 89°F 78% 1007 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 71%
Most Significant Cloud Type: medium
26%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Wed 22
Aug
01:00

WSW
WSW

9 / 13 mph 80 / 86°F 81% 1006 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 62%
Most Significant Cloud Type: medium
33%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

SW
SW

8 / 13 mph 79 / 84°F 84% 1005 mb
Low level cloud: 3%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: medium
54%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

SW
SW

9 / 14 mph 82 / 85°F 82% 1006 mb
Low level cloud: 13%
Mid level cloud: 21%
High level cloud: 12%
Most Significant Cloud Type: low
22%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

WSW
WSW

12 / 14 mph 91 / 99°F 61% 1007 mb
Low level cloud: 21%
Mid level cloud: 18%
High level cloud: 15%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

WSW
WSW

13 / 15 mph 96 / 106°F 49% 1005 mb
Low level cloud: 45%
Mid level cloud: 24%
High level cloud: 10%
Most Significant Cloud Type: low
54%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

WSW
WSW

13 / 17 mph 94 / 103°F 55% 1003 mb
Low level cloud: 34%
Mid level cloud: 32%
High level cloud: 37%
Most Significant Cloud Type: low
49%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
19:00

SW
SW

12 / 16 mph 85 / 94°F 72% 1005 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 69%
Most Significant Cloud Type: medium
22%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
22:00

SW
SW

11 / 15 mph 83 / 91°F 77% 1007 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 71%
Most Significant Cloud Type: medium
17%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Thu 23
Aug
01:00

SW
SW

9 / 12 mph 81 / 88°F 84% 1007 mb
Low level cloud: 5%
Mid level cloud: 11%
High level cloud: 21%
Most Significant Cloud Type: low
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

SSW
SSW

9 / 12 mph 79 / 85°F 87% 1006 mb
Low level cloud: 14%
Mid level cloud: 11%
High level cloud: 1%
Most Significant Cloud Type: low
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

SW
SW

11 / 15 mph 82 / 87°F 82% 1008 mb
Low level cloud: 17%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

SW
SW

13 / 15 mph 90 / 99°F 62% 1009 mb
Low level cloud: 55%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SW
SW

14 / 21 mph 93 / 102°F 56% 1006 mb
Low level cloud: 45%
Mid level cloud: 19%
High level cloud: 5%
Most Significant Cloud Type: low
52%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
16:00

SW
SW

13 / 26 mph 92 / 102°F 59% 1004 mb
Low level cloud: 33%
Mid level cloud: 22%
High level cloud: 33%
Most Significant Cloud Type: low
44%
Expect 0.24 In of precipitation over the past 3 hours.
0.24 In
19:00

SW
SW

9 / 13 mph 86 / 97°F 73% 1007 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 16%
Most Significant Cloud Type: medium
12%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
22:00

SW
SW

8 / 10 mph 84 / 93°F 81% 1009 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 48%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 24
Aug
01:00

SSW
SSW

8 / 11 mph 81 / 88°F 86% 1008 mb
Low level cloud: 4%
Mid level cloud: 8%
High level cloud: 9%
Most Significant Cloud Type: low
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

SSW
SSW

7 / 10 mph 79 / 85°F 89% 1007 mb
Low level cloud: 11%
Mid level cloud: 8%
High level cloud: 4%
Most Significant Cloud Type: low
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

SW
SW

9 / 11 mph 82 / 86°F 84% 1009 mb
Low level cloud: 7%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

SW
SW

11 / 13 mph 90 / 97°F 61% 1009 mb
Low level cloud: 72%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
76%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

SW
SW

11 / 13 mph 94 / 102°F 52% 1007 mb
Low level cloud: 82%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

WSW
WSW

12 / 15 mph 94 / 102°F 53% 1005 mb
Low level cloud: 54%
Mid level cloud: 15%
High level cloud: 6%
Most Significant Cloud Type: low
59%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
19:00

WSW
WSW

8 / 11 mph 88 / 99°F 67% 1007 mb
Low level cloud: 5%
Mid level cloud: 11%
High level cloud: 20%
Most Significant Cloud Type: low
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
22:00

SW
SW

8 / 9 mph 84 / 93°F 75% 1009 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 21%
Most Significant Cloud Type: medium
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 25
Aug
01:00

SSW
SSW

8 / 12 mph 81 / 88°F 80% 1008 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 21%
Most Significant Cloud Type: medium
23%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

SSW
SSW

6 / 9 mph 79 / 85°F 82% 1007 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 8%
Most Significant Cloud Type: medium
18%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

SW
SW

8 / 11 mph 82 / 84°F 79% 1008 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

WSW
WSW

10 / 12 mph 90 / 97°F 58% 1009 mb
Low level cloud: 8%
Mid level cloud: 12%
High level cloud: 3%
Most Significant Cloud Type: low
11%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

WSW
WSW

9 / 11 mph 96 / 104°F 46% 1005 mb
Low level cloud: 36%
Mid level cloud: 22%
High level cloud: 5%
Most Significant Cloud Type: low
44%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

SW
SW

11 / 13 mph 94 / 103°F 54% 1004 mb
Low level cloud: 30%
Mid level cloud: 55%
High level cloud: 7%
Most Significant Cloud Type: low
49%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
19:00

SW
SW

10 / 15 mph 86 / 95°F 69% 1006 mb
Low level cloud: 3%
Mid level cloud: 23%
High level cloud: 16%
Most Significant Cloud Type: medium
31%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
22:00

SW
SW

11 / 14 mph 83 / 91°F 76% 1009 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 69%
Most Significant Cloud Type: medium
23%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sun 26
Aug
01:00

SW
SW

8 / 10 mph 81 / 88°F 80% 1007 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 72%
Most Significant Cloud Type: medium
30%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
04:00

SSW
SSW

6 / 9 mph 80 / 86°F 84% 1006 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 76%
Most Significant Cloud Type: medium
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
07:00

SW
SW

8 / 11 mph 82 / 85°F 81% 1008 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 77%
Most Significant Cloud Type: medium
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
10:00

SW
SW

12 / 13 mph 89 / 96°F 59% 1008 mb
Low level cloud: 8%
Mid level cloud: 12%
High level cloud: 41%
Most Significant Cloud Type: low
16%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
13:00

WSW
WSW

12 / 14 mph 95 / 103°F 49% 1005 mb
Low level cloud: 52%
Mid level cloud: 22%
High level cloud: 48%
Most Significant Cloud Type: low
65%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
16:00

SW
SW

12 / 16 mph 93 / 102°F 54% 1004 mb
Low level cloud: 39%
Mid level cloud: 43%
High level cloud: 17%
Most Significant Cloud Type: low
56%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
19:00

SW
SW

8 / 12 mph 87 / 97°F 68% 1006 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 30%
Most Significant Cloud Type: medium
13%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
22:00

SW
SW

9 / 11 mph 84 / 91°F 76% 1008 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 33%
Most Significant Cloud Type: medium
12%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 27
Aug
01:00

WSW
WSW

8 / 9 mph 83 / 90°F 74% 1008 mb
Low level cloud: 0%
Mid level cloud: 39%
High level cloud: 43%
Most Significant Cloud Type: medium
40%
0.00 In
07:00

SW
SW

9 / 10 mph 81 / 88°F 79% 1009 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 62%
Most Significant Cloud Type: medium
47%
0.00 In
13:00

WSW
WSW

15 / 17 mph 92 / 99°F 48% 1008 mb
Low level cloud: 21%
Mid level cloud: 28%
High level cloud: 38%
Most Significant Cloud Type: low
35%
0.00 In
19:00

WSW
WSW

12 / 16 mph 87 / 93°F 58% 1008 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 85%
Most Significant Cloud Type: medium
49%
0.00 In
Tue 28
Aug
01:00

SW
SW

8 / 10 mph 83 / 92°F 83% 1007 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 55%
Most Significant Cloud Type: medium
27%
0.00 In
07:00

SW
SW

9 / 11 mph 82 / 88°F 78% 1008 mb
Low level cloud: 3%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
54%
0.00 In
13:00

SW
SW

11 / 13 mph 93 / 101°F 52% 1007 mb
Low level cloud: 65%
Mid level cloud: 18%
High level cloud: 2%
Most Significant Cloud Type: low
71%
0.00 In
19:00

WSW
WSW

11 / 12 mph 91 / 102°F 60% 1008 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 81%
Most Significant Cloud Type: medium
15%
0.00 In
Wed 29
Aug
01:00

SW
SW

9 / 10 mph 86 / 98°F 78% 1009 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 68%
Most Significant Cloud Type: medium
18%
0.00 In
07:00

WSW
WSW

9 / 10 mph 84 / 93°F 77% 1009 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: medium
10%
0.00 In
13:00

SW
SW

11 / 13 mph 93 / 103°F 51% 1007 mb
Low level cloud: 68%
Mid level cloud: 21%
High level cloud: 8%
Most Significant Cloud Type: low
76%
0.00 In
19:00

WSW
WSW

12 / 14 mph 90 / 100°F 61% 1008 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 10%
Most Significant Cloud Type: medium
17%
0.00 In
Thu 30
Aug
01:00

SW
SW

9 / 11 mph 86 / 97°F 74% 1009 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 72%
Most Significant Cloud Type: medium
17%
0.00 In
07:00

WSW
WSW

9 / 11 mph 84 / 92°F 77% 1010 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 32%
Most Significant Cloud Type: medium
14%
0.00 In
13:00

WSW
WSW

13 / 15 mph 96 / 106°F 45% 1007 mb
Low level cloud: 34%
Mid level cloud: 21%
High level cloud: 18%
Most Significant Cloud Type: low
43%
0.00 In
19:00

SW
SW

10 / 12 mph 91 / 102°F 57% 1007 mb
Low level cloud: 1%
Mid level cloud: 21%
High level cloud: 42%
Most Significant Cloud Type: medium
25%
0.00 In
Fri 31
Aug
01:00

SW
SW

10 / 12 mph 84 / 94°F 77% 1008 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 22%
Most Significant Cloud Type: medium
8%
0.00 In
07:00

SW
SW

9 / 10 mph 84 / 93°F 80% 1010 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 42%
Most Significant Cloud Type: medium
11%
0.00 In
13:00

WSW
WSW

11 / 13 mph 95 / 105°F 47% 1007 mb
Low level cloud: 46%
Mid level cloud: 21%
High level cloud: 33%
Most Significant Cloud Type: low
56%
0.00 In
19:00

SW
SW

10 / 12 mph 91 / 103°F 64% 1009 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 34%
Most Significant Cloud Type: medium
9%
0.00 In
Sat 01
Sep
01:00

SW
SW

10 / 11 mph 85 / 95°F 79% 1008 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 40%
Most Significant Cloud Type: medium
9%
0.00 In
07:00

SW
SW

6 / 7 mph 85 / 98°F 82% 1011 mb
Low level cloud: 3%
Mid level cloud: 10%
High level cloud: 22%
Most Significant Cloud Type: medium
20%
0.00 In
13:00

WSW
WSW

11 / 13 mph 97 / 106°F 44% 1007 mb
Low level cloud: 35%
Mid level cloud: 26%
High level cloud: 45%
Most Significant Cloud Type: low
49%
0.00 In
19:00

WSW
WSW

11 / 13 mph 90 / 102°F 64% 1010 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 38%
Most Significant Cloud Type: medium
15%
0.00 In
Sun 02
Sep
01:00

SW
SW

10 / 12 mph 85 / 96°F 76% 1009 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 33%
Most Significant Cloud Type: medium
11%
0.00 In
07:00

SW
SW

6 / 7 mph 85 / 97°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 18%
Most Significant Cloud Type: medium
8%
0.00 In
13:00

WSW
WSW

9 / 10 mph 96 / 105°F 44% 1009 mb
Low level cloud: 34%
Mid level cloud: 31%
High level cloud: 12%
Most Significant Cloud Type: low
45%
0.00 In
19:00

WSW
WSW

9 / 10 mph 93 / 108°F 61% 1009 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 40%
Most Significant Cloud Type: medium
16%
0.00 In
Mon 03
Sep
01:00

SW
SW

8 / 9 mph 87 / 99°F 73% 1010 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 65%
Most Significant Cloud Type: medium
11%
0.00 In
07:00

SW
SW

7 / 9 mph 84 / 93°F 77% 1010 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 13%
Most Significant Cloud Type: medium
6%
0.00 In
13:00

W
W

8 / 9 mph 97 / 105°F 41% 1009 mb
Low level cloud: 8%
Mid level cloud: 46%
High level cloud: 7%
Most Significant Cloud Type: medium
67%
0.00 In
19:00

WSW
WSW

9 / 10 mph 94 / 109°F 58% 1008 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: medium
17%
0.00 In
Tue 04
Sep
01:00

WSW
WSW

7 / 8 mph 88 / 100°F 70% 1010 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 20%
Most Significant Cloud Type: medium
8%
0.00 In
07:00

WSW
WSW

9 / 10 mph 83 / 91°F 79% 1010 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 17%
Most Significant Cloud Type: medium
11%
0.00 In
13:00

W
W

8 / 9 mph 97 / 105°F 42% 1009 mb
Low level cloud: 8%
Mid level cloud: 28%
High level cloud: 2%
Most Significant Cloud Type: medium
51%
0.00 In
19:00

WSW
WSW

11 / 13 mph 90 / 100°F 59% 1008 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 38%
Most Significant Cloud Type: medium
16%
0.00 In

Other Locations Near to Phnom Penh

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