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Liddle Water 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Liddle Water

Scottish Borders, United Kingdom

Long range weather outlook for Liddle Water includes 14 day forecast summary:

Reviewing the forecast for Liddle Water Over the next 14 days and the average daytime maximum temperature will be around 16°C, with a high for the two weeks of 20°C expected on the afternoon of Saturday 18th. The average minimum temperature will be 10°C, dipping to its lowest on the morning of Tuesday 21st at 4°C. The next 14 days will have some days seeing a little precipitation and some days with rain. It looks like Wednesday 22nd will have the most precipitation with an accumulation of around 13.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 18
May		15:00

E
E

 9 / 13 mph 68 / 66°F 62% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 6%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 7 / 10 mph 65 / 63°F 78% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 6%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

 5 / 9 mph 58 / 55°F 92% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 7%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		00:00

ENE
ENE

 4 / 7 mph 54 / 53°F 92% 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
03:00

ENE
ENE

 4 / 8 mph 52 / 51°F 92% 1017 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 7%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 4 / 7 mph 53 / 50°F 87% 1018 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
09:00

ENE
ENE

 6 / 8 mph 60 / 58°F 69% 1018 mb
Low level cloud: 0%
Mid level cloud: 70%
High level cloud: 20%
Most Significant Cloud Type: medium
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 6 / 8 mph 63 / 61°F 67% 1017 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 20%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 6 / 8 mph 66 / 64°F 64% 1017 mb
Low level cloud: 11%
Mid level cloud: 25%
High level cloud: 22%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 8 / 13 mph 61 / 59°F 83% 1017 mb
Low level cloud: 14%
Mid level cloud: 31%
High level cloud: 2%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 8 / 13 mph 52 / 47°F 97% 1018 mb
Low level cloud: 29%
Mid level cloud: 28%
High level cloud: 3%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		00:00

ENE
ENE

 7 / 12 mph 46 / 43°F 98% 1018 mb
Low level cloud: 41%
Mid level cloud: 28%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 7 / 12 mph 46 / 42°F 95% 1018 mb
Low level cloud: 58%
Mid level cloud: 45%
High level cloud: 5%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

 7 / 11 mph 48 / 44°F 91% 1018 mb
Low level cloud: 67%
Mid level cloud: 50%
High level cloud: 14%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

 8 / 11 mph 51 / 48°F 84% 1018 mb
Low level cloud: 78%
Mid level cloud: 43%
High level cloud: 61%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 7 / 10 mph 56 / 54°F 77% 1016 mb
Low level cloud: 76%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

 8 / 12 mph 57 / 55°F 74% 1015 mb
Low level cloud: 88%
Mid level cloud: 19%
High level cloud: 10%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

 7 / 11 mph 57 / 54°F 78% 1015 mb
Low level cloud: 53%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

 6 / 9 mph 51 / 48°F 91% 1015 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
Tue 21
May		00:00

ENE
ENE

 5 / 8 mph 47 / 45°F 90% 1015 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

ENE
ENE

 5 / 10 mph 44 / 40°F 84% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

 4 / 7 mph 46 / 43°F 72% 1013 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

NE
NE

 4 / 6 mph 56 / 54°F 54% 1011 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 95%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

 4 / 6 mph 64 / 61°F 57% 1010 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 2%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 3 / 4 mph 64 / 61°F 68% 1009 mb
Low level cloud: 50%
Mid level cloud: 32%
High level cloud: 51%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 2 / 4 mph 62 / 59°F 84% 1009 mb
Low level cloud: 43%
Mid level cloud: 27%
High level cloud: 98%
Most Significant Cloud Type: low
64%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

ENE
ENE

 3 / 5 mph 55 / 55°F 96% 1010 mb
Low level cloud: 62%
Mid level cloud: 33%
High level cloud: 100%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		00:00

ENE
ENE

 3 / 6 mph 53 / 52°F 97% 1010 mb
Low level cloud: 79%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

 4 / 6 mph 52 / 51°F 97% 1010 mb
Low level cloud: 58%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 5 / 9 mph 53 / 51°F 95% 1010 mb
Low level cloud: 65%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 5 / 8 mph 53 / 52°F 96% 1010 mb
Low level cloud: 76%
Mid level cloud: 67%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

NNE
NNE

 11 / 17 mph 55 / 52°F 91% 1009 mb
Low level cloud: 87%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 14 / 22 mph 54 / 50°F 95% 1007 mb
Low level cloud: 68%
Mid level cloud: 70%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

NNE
NNE

 14 / 23 mph 52 / 47°F 96% 1006 mb
Low level cloud: 91%
Mid level cloud: 98%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
21:00

NE
NE

 12 / 20 mph 52 / 47°F 96% 1007 mb
Low level cloud: 94%
Mid level cloud: 80%
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

NE
NE

 11 / 17 mph 52 / 48°F 98% 1006 mb
Low level cloud: 95%
Mid level cloud: 45%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

 12 / 19 mph 52 / 48°F 98% 1006 mb
Low level cloud: 98%
Mid level cloud: 17%
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

ENE
ENE

 13 / 21 mph 51 / 47°F 96% 1007 mb
Low level cloud: 96%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

 14 / 22 mph 51 / 46°F 97% 1009 mb
Low level cloud: 92%
Mid level cloud: 72%
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

E
E

 11 / 18 mph 52 / 48°F 97% 1011 mb
Low level cloud: 91%
Mid level cloud: 24%
High level cloud: 78%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 12 / 19 mph 58 / 55°F 85% 1012 mb
Low level cloud: 84%
Mid level cloud: 20%
High level cloud: 32%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ESE
ESE

 11 / 18 mph 59 / 56°F 85% 1013 mb
Low level cloud: 55%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 9 / 16 mph 54 / 50°F 97% 1015 mb
Low level cloud: 38%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May		00:00

ENE
ENE

 7 / 14 mph 51 / 49°F 98% 1016 mb
Low level cloud: 42%
Mid level cloud: 19%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 7 / 13 mph 50 / 47°F 98% 1016 mb
Low level cloud: 41%
Mid level cloud: 11%
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

E
E

 6 / 10 mph 53 / 49°F 95% 1016 mb
Low level cloud: 65%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 6 / 9 mph 59 / 56°F 84% 1017 mb
Low level cloud: 53%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ESE
ESE

 9 / 12 mph 65 / 63°F 71% 1016 mb
Low level cloud: 33%
Mid level cloud: 11%
High level cloud: 11%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 9 / 13 mph 61 / 61°F 78% 1016 mb
Low level cloud: 83%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

E
E

 6 / 10 mph 63 / 60°F 85% 1016 mb
Low level cloud: 31%
Mid level cloud: 18%
High level cloud: 63%
Most Significant Cloud Type: low
45%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

ENE
ENE

 2 / 4 mph 56 / 55°F 94% 1018 mb
Low level cloud: 6%
Mid level cloud: 13%
High level cloud: 34%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 25
May		00:00

ENE
ENE

 9 / 15 mph 48 / 44°F 96% 1025 mb
Low level cloud: 52%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
06:00

SSW
SSW

 5 / 9 mph 49 / 47°F 86% 1023 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 16%
Most Significant Cloud Type: medium
5%
0.0 In
12:00

SW
SW

 13 / 27 mph 53 / 49°F 75% 1018 mb
Low level cloud: 68%
Mid level cloud: 90%
High level cloud: 18%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WSW
WSW

 3 / 6 mph 62 / 62°F 72% 1018 mb
Low level cloud: 5%
Mid level cloud: 28%
High level cloud: 7%
Most Significant Cloud Type: medium
43%
0.0 In
Sun 26
May		00:00

ENE
ENE

 9 / 19 mph 51 / 48°F 97% 1016 mb
Low level cloud: 58%
Mid level cloud: 58%
High level cloud: 32%
Most Significant Cloud Type: low
81%
0.0 In
06:00

SE
SE

 4 / 6 mph 51 / 51°F 94% 1018 mb
Low level cloud: 60%
Mid level cloud: 58%
High level cloud: 100%
Most Significant Cloud Type: low
92%
0.0 In
12:00

ENE
ENE

 9 / 19 mph 51 / 48°F 96% 1008 mb
Low level cloud: 85%
Mid level cloud: 79%
High level cloud: 38%
Most Significant Cloud Type: low
100%
0.0 In
18:00

E
E

 9 / 18 mph 63 / 63°F 81% 1015 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
0.0 In
Mon 27
May		00:00

NE
NE

 5 / 11 mph 50 / 48°F 98% 1009 mb
Low level cloud: 86%
Mid level cloud: 44%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
06:00

ENE
ENE

 9 / 19 mph 51 / 48°F 94% 1015 mb
Low level cloud: 67%
Mid level cloud: 54%
High level cloud: 100%
Most Significant Cloud Type: low
97%
0.0 In
12:00

N
N

 7 / 15 mph 53 / 51°F 95% 1009 mb
Low level cloud: 99%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

ENE
ENE

 13 / 26 mph 56 / 53°F 83% 1013 mb
Low level cloud: 53%
Mid level cloud: 24%
High level cloud: 20%
Most Significant Cloud Type: low
63%
0.1 In
Tue 28
May		00:00

NE
NE

 6 / 13 mph 49 / 46°F 96% 1012 mb
Low level cloud: 70%
Mid level cloud: 8%
High level cloud: 9%
Most Significant Cloud Type: low
74%
0.2 In
06:00

ENE
ENE

 6 / 12 mph 50 / 48°F 97% 1013 mb
Low level cloud: 72%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
12:00

ENE
ENE

 6 / 12 mph 57 / 56°F 70% 1013 mb
Low level cloud: 52%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
63%
0.0 In
18:00

ENE
ENE

 6 / 13 mph 52 / 50°F 93% 1012 mb
Low level cloud: 96%
Mid level cloud: 42%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.2 In
Wed 29
May		00:00

E
E

 4 / 8 mph 49 / 48°F 94% 1013 mb
Low level cloud: 12%
Mid level cloud: 21%
High level cloud: 99%
Most Significant Cloud Type: medium
58%
0.0 In
06:00

ENE
ENE

 3 / 7 mph 50 / 49°F 94% 1011 mb
Low level cloud: 62%
Mid level cloud: 57%
High level cloud: 8%
Most Significant Cloud Type: low
83%
0.0 In
12:00

S
S

 9 / 19 mph 57 / 55°F 78% 1008 mb
Low level cloud: 26%
Mid level cloud: 77%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
18:00

W
W

 6 / 13 mph 55 / 53°F 89% 1010 mb
Low level cloud: 34%
Mid level cloud: 40%
High level cloud: 82%
Most Significant Cloud Type: low
57%
0.2 In
Thu 30
May		00:00

NE
NE

 2 / 5 mph 52 / 52°F 99% 1003 mb
Low level cloud: 91%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.4 In
06:00

S
S

 3 / 6 mph 53 / 53°F 95% 1009 mb
Low level cloud: 80%
Mid level cloud: 79%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 14 / 30 mph 56 / 52°F 74% 1004 mb
Low level cloud: 31%
Mid level cloud: 24%
High level cloud: 6%
Most Significant Cloud Type: low
40%
0.3 In
18:00

W
W

 3 / 7 mph 57 / 57°F 87% 1007 mb
Low level cloud: 58%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
77%
0.1 In
Fri 31
May		00:00

SSW
SSW

 5 / 10 mph 50 / 48°F 95% 1007 mb
Low level cloud: 48%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
06:00

ENE
ENE

 6 / 14 mph 51 / 48°F 98% 1003 mb
Low level cloud: 64%
Mid level cloud: 62%
High level cloud: 5%
Most Significant Cloud Type: low
86%
0.1 In
12:00

WSW
WSW

 15 / 30 mph 53 / 49°F 73% 1009 mb
Low level cloud: 59%
Mid level cloud: 45%
High level cloud: 74%
Most Significant Cloud Type: low
83%
0.0 In
18:00

WSW
WSW

 5 / 11 mph 55 / 54°F 90% 1002 mb
Low level cloud: 47%
Mid level cloud: 57%
High level cloud: 77%
Most Significant Cloud Type: low
76%
0.3 In
Sat 01
Jun		00:00

SSW
SSW

 3 / 6 mph 50 / 50°F 94% 1011 mb
Low level cloud: 19%
Mid level cloud: 44%
High level cloud: 99%
Most Significant Cloud Type: low
45%
0.0 In
06:00

ENE
ENE

 3 / 7 mph 52 / 52°F 89% 1003 mb
Low level cloud: 3%
Mid level cloud: 30%
High level cloud: 32%
Most Significant Cloud Type: medium
38%
0.0 In
12:00

ESE
ESE

 8 / 16 mph 52 / 49°F 93% 1007 mb
Low level cloud: 91%
Mid level cloud: 88%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.1 In
18:00

NNW
NNW

 2 / 5 mph 57 / 58°F 87% 1005 mb
Low level cloud: 26%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
53%
0.7 In
Sun 02
Jun		00:00

ESE
ESE

 9 / 19 mph 57 / 55°F 92% 1000 mb
Low level cloud: 10%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
06:00

NE
NE

 4 / 8 mph 49 / 47°F 94% 1007 mb
Low level cloud: 62%
Mid level cloud: 31%
High level cloud: 43%
Most Significant Cloud Type: low
78%
0.1 In
12:00

SW
SW

 22 / 46 mph 55 / 50°F 73% 1007 mb
Low level cloud: 24%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.0 In
18:00

NNE
NNE

 3 / 7 mph 55 / 55°F 86% 1009 mb
Low level cloud: 44%
Mid level cloud: 50%
High level cloud: 32%
Most Significant Cloud Type: low
65%
0.3 In

Other Locations Near to Liddle Water

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