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Yongchon 14 Day Long Range Forecast

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

South Korea

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

Over the next 14 days the Yongchon forecast suggests the average daytime maximum temperature will be around 8°C, with a high for the two weeks of 14°C expected on the afternoon of Sunday 7th. The average minimum temperature will be -1°C, dipping to its lowest on the morning of Friday 12th at -3°C. Expect the next 14 days have mixed weather with some days dry and some seeing a little rain. Current predictions suggest Sunday 14th will have the most precipitation with an accumulation of around 5.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 07
Dec		15:00

WSW
WSW

 6 / 7 mph 56 / 54°F 50% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 3 / 6 mph 46 / 45°F 77% 1020 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 41%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 3 / 7 mph 42 / 40°F 86% 1020 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 31%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 08
Dec		00:00

W
W

 6 / 12 mph 41 / 37°F 84% 1020 mb
Low level cloud: 45%
Mid level cloud: 20%
High level cloud: 99%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 11 / 15 mph 43 / 38°F 73% 1022 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 10 / 14 mph 41 / 35°F 60% 1023 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 7 / 9 mph 42 / 37°F 52% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 9 / 10 mph 47 / 42°F 25% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: high
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 9 / 10 mph 47 / 42°F 21% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 35%
Most Significant Cloud Type: high
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 4 / 8 mph 36 / 32°F 39% 1028 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 4 / 9 mph 32 / 28°F 48% 1028 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
Tue 09
Dec		00:00

WNW
WNW

 5 / 11 mph 29 / 24°F 55% 1028 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
03:00

W
W

 4 / 9 mph 28 / 23°F 64% 1028 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
06:00

WNW
WNW

 4 / 9 mph 27 / 22°F 69% 1028 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
09:00

WNW
WNW

 4 / 5 mph 36 / 32°F 53% 1028 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
12:00

WNW
WNW

 8 / 9 mph 45 / 41°F 26% 1028 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
15:00

WNW
WNW

 7 / 9 mph 46 / 42°F 29% 1026 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

WNW
WNW

 5 / 7 mph 39 / 35°F 52% 1028 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
21:00

WNW
WNW

 3 / 7 mph 32 / 29°F 64% 1028 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
Wed 10
Dec		00:00

WNW
WNW

 4 / 8 mph 29 / 25°F 71% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 3 / 7 mph 28 / 25°F 74% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 97%
Most Significant Cloud Type: high
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 3 / 6 mph 28 / 25°F 76% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 66%
Most Significant Cloud Type: high
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 2 / 3 mph 37 / 36°F 61% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 88%
Most Significant Cloud Type: high
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 4 / 4 mph 49 / 48°F 42% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 4 / 5 mph 52 / 51°F 37% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 2 / 4 mph 40 / 40°F 59% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: high
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 1 / 2 mph 37 / 37°F 63% 1024 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 30%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 11
Dec		00:00

W
W

 2 / 4 mph 36 / 36°F 60% 1022 mb
Low level cloud: 0%
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
03:00

WNW
WNW

 2 / 5 mph 36 / 35°F 59% 1021 mb
Low level cloud: 0%
Mid level cloud: 99%
High level cloud: 99%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 3 / 6 mph 36 / 35°F 62% 1021 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 2 / 3 mph 42 / 42°F 57% 1020 mb
Low level cloud: 57%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 2 / 3 mph 41 / 40°F 81% 1019 mb
Low level cloud: 65%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
80%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

W
W

 5 / 6 mph 44 / 42°F 74% 1018 mb
Low level cloud: 15%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 7 / 11 mph 43 / 38°F 82% 1020 mb
Low level cloud: 77%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 9 / 10 mph 41 / 35°F 82% 1023 mb
Low level cloud: 1%
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
Fri 12
Dec		00:00

WNW
WNW

 6 / 7 mph 36 / 31°F 76% 1026 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
03:00

NW
NW

 4 / 7 mph 29 / 24°F 70% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 3 / 6 mph 27 / 24°F 66% 1030 mb
Low level cloud: 54%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 2 / 3 mph 36 / 34°F 64% 1032 mb
Low level cloud: 56%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

 3 / 4 mph 45 / 43°F 64% 1031 mb
Low level cloud: 85%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 6 / 7 mph 45 / 41°F 67% 1030 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 2 / 4 mph 35 / 33°F 91% 1032 mb
Low level cloud: 37%
Mid level cloud: 5%
High level cloud: 7%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 2 / 3 mph 38 / 37°F 89% 1032 mb
Low level cloud: 77%
Mid level cloud: 15%
High level cloud: 5%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 13
Dec		00:00

ENE
ENE

 2 / 3 mph 38 / 37°F 88% 1032 mb
Low level cloud: 78%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 2 / 4 mph 33 / 32°F 93% 1032 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 1 / 3 mph 32 / 32°F 92% 1031 mb
Low level cloud: 5%
Mid level cloud: 2%
High level cloud: 2%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 1 / 1 mph 38 / 38°F 80% 1031 mb
Low level cloud: 3%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SE
SE

 2 / 2 mph 50 / 50°F 56% 1028 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 5 / 6 mph 51 / 49°F 53% 1024 mb
Low level cloud: 3%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 4 / 8 mph 41 / 38°F 71% 1023 mb
Low level cloud: 1%
Mid level cloud: 91%
High level cloud: 33%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

 2 / 3 mph 41 / 41°F 84% 1022 mb
Low level cloud: 90%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 14
Dec		03:00

W
W

 5 / 7 mph 42 / 39°F 96% 1015 mb
Low level cloud: 86%
Mid level cloud: 61%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
09:00

W
W

 9 / 12 mph 44 / 40°F 88% 1010 mb
Low level cloud: 90%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
15:00

W
W

 16 / 23 mph 45 / 37°F 62% 1007 mb
Low level cloud: 32%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
47%
0.0 In
21:00

WNW
WNW

 17 / 21 mph 31 / 19°F 61% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Mon 15
Dec		03:00

WNW
WNW

 12 / 16 mph 37 / 29°F 81% 1012 mb
Low level cloud: 98%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
09:00

WNW
WNW

 9 / 11 mph 36 / 29°F 76% 1018 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
6%
0.0 In
15:00

WNW
WNW

 12 / 14 mph 44 / 38°F 41% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

W
W

 5 / 6 mph 40 / 37°F 79% 1021 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
0.0 In
Tue 16
Dec		03:00

W
W

 6 / 9 mph 33 / 27°F 80% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: high
15%
0.0 In
09:00

W
W

 4 / 6 mph 40 / 37°F 72% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

WSW
WSW

 7 / 8 mph 52 / 49°F 50% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

WNW
WNW

 3 / 5 mph 38 / 37°F 76% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: high
32%
0.0 In
Wed 17
Dec		03:00

WSW
WSW

 3 / 5 mph 38 / 37°F 87% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
09:00

SSE
SSE

 1 / 2 mph 40 / 40°F 69% 1024 mb
Low level cloud: 57%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
63%
0.0 In
15:00

W
W

 6 / 6 mph 59 / 58°F 44% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

W
W

 1 / 2 mph 43 / 43°F 91% 1023 mb
Low level cloud: 46%
Mid level cloud: 2%
High level cloud: 1%
Most Significant Cloud Type: low
47%
0.0 In
Thu 18
Dec		03:00

W
W

 2 / 4 mph 41 / 41°F 88% 1019 mb
Low level cloud: 43%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
58%
0.0 In
09:00

SW
SW

 2 / 3 mph 48 / 48°F 86% 1022 mb
Low level cloud: 27%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
15:00

WNW
WNW

 10 / 12 mph 55 / 53°F 51% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 1%
Most Significant Cloud Type: medium
4%
0.0 In
21:00

NNE
NNE

 2 / 3 mph 49 / 49°F 93% 1023 mb
Low level cloud: 25%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: low
46%
0.1 In
Fri 19
Dec		03:00

WNW
WNW

 5 / 6 mph 37 / 33°F 77% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
10%
0.0 In
09:00

NE
NE

 3 / 5 mph 48 / 48°F 88% 1024 mb
Low level cloud: 92%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
99%
0.0 In
15:00

NW
NW

 5 / 6 mph 46 / 43°F 30% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 93%
Most Significant Cloud Type: high
92%
0.0 In
21:00

E
E

 2 / 2 mph 50 / 51°F 94% 1021 mb
Low level cloud: 91%
Mid level cloud: 65%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Sat 20
Dec		03:00

N
N

 3 / 4 mph 36 / 34°F 43% 1024 mb
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 18%
Most Significant Cloud Type: medium
33%
0.0 In
09:00

NNE
NNE

 1 / 1 mph 53 / 53°F 91% 1018 mb
Low level cloud: 25%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
28%
0.0 In
15:00

NW
NW

 4 / 4 mph 46 / 44°F 81% 1021 mb
Low level cloud: 81%
Mid level cloud: 31%
High level cloud: 22%
Most Significant Cloud Type: low
94%
0.0 In
21:00

E
E

 3 / 4 mph 54 / 54°F 93% 1017 mb
Low level cloud: 79%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
94%
0.0 In
Sun 21
Dec		03:00

WNW
WNW

 3 / 4 mph 35 / 33°F 96% 1020 mb
Low level cloud: 38%
Mid level cloud: 4%
High level cloud: 20%
Most Significant Cloud Type: low
42%
0.0 In
09:00

NNW
NNW

 3 / 4 mph 50 / 49°F 87% 1016 mb
Low level cloud: 91%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
15:00

WNW
WNW

 10 / 12 mph 45 / 40°F 37% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

NW
NW

 5 / 6 mph 41 / 38°F 77% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
0.0 In
Mon 22
Dec		03:00

W
W

 5 / 7 mph 32 / 27°F 84% 1022 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.0 In
09:00

NW
NW

 6 / 8 mph 34 / 28°F 64% 1020 mb
Low level cloud: 63%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
73%
0.0 In
15:00

NW
NW

 4 / 5 mph 48 / 46°F 24% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: high
22%
0.0 In
21:00

WNW
WNW

 3 / 4 mph 35 / 32°F 63% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In

Other Locations Near to Yongchon

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