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Rolle Pass 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Rolle Pass

Italy

Long range weather outlook for Rolle Pass includes 14 day forecast summary:

The outlook for Rolle Pass in the two weeks ahead shows the average daytime maximum temperature will be around 0°C, with a high for the two weeks of 3°C expected on the evening of Sunday 28th. The average minimum temperature will be -4°C, dipping to its lowest on the morning of Tuesday 23rd at -11°C. The next 14 days will have some days seeing a little precipitation and some days with rain, sleet or snow. The indicators are that Tuesday 23rd will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 19
Apr		16:00

S
S

 4 / 8 mph 33 / 28°F 51% 1010 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 20%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 2 / 4 mph 29 / 28°F 87% 1011 mb
Low level cloud: 4%
Mid level cloud: 46%
High level cloud: 9%
Most Significant Cloud Type: medium
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 2 / 4 mph 29 / 27°F 87% 1011 mb
Low level cloud: 2%
Mid level cloud: 33%
High level cloud: 32%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 20
Apr		01:00

NNW
NNW

 4 / 5 mph 29 / 25°F 86% 1010 mb
Low level cloud: 3%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNW
NNW

 5 / 7 mph 28 / 23°F 93% 1009 mb
Low level cloud: 33%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

 5 / 9 mph 28 / 22°F 64% 1008 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
10:00

N
N

 6 / 10 mph 31 / 25°F 39% 1009 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
13:00

N
N

 6 / 9 mph 33 / 27°F 35% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 2%
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 / 11 mph 32 / 26°F 38% 1009 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 4%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

 5 / 8 mph 30 / 25°F 72% 1015 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
22:00

N
N

 5 / 8 mph 27 / 21°F 77% 1017 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 99%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 21
Apr		01:00

NNW
NNW

 5 / 7 mph 26 / 20°F 78% 1017 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 77%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNW
NNW

 5 / 8 mph 24 / 18°F 72% 1016 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 32%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

 4 / 8 mph 22 / 16°F 57% 1015 mb
Low level cloud: 0%
Mid level cloud: 51%
High level cloud: 7%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

 3 / 4 mph 30 / 27°F 31% 1014 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 51%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

 1 / 2 mph 31 / 31°F 38% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

 1 / 1 mph 27 / 27°F 71% 1014 mb
Low level cloud: 0%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: medium
86%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

ENE
ENE

 2 / 3 mph 25 / 24°F 91% 1016 mb
Low level cloud: 21%
Mid level cloud: 98%
High level cloud: 97%
Most Significant Cloud Type: medium
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
22:00

NNE
NNE

 2 / 4 mph 22 / 19°F 92% 1020 mb
Low level cloud: 27%
Mid level cloud: 96%
High level cloud: 52%
Most Significant Cloud Type: medium
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
Mon 22
Apr		01:00

N
N

 4 / 8 mph 21 / 15°F 93% 1022 mb
Low level cloud: 22%
Mid level cloud: 18%
High level cloud: 16%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

 4 / 9 mph 21 / 15°F 89% 1022 mb
Low level cloud: 3%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

 2 / 5 mph 21 / 17°F 73% 1019 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 11%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

 3 / 5 mph 27 / 23°F 65% 1017 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 94%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

 4 / 8 mph 27 / 22°F 79% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

 4 / 9 mph 25 / 19°F 91% 1016 mb
Low level cloud: 29%
Mid level cloud: 56%
High level cloud: 100%
Most Significant Cloud Type: low
60%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

SE
SE

 2 / 4 mph 24 / 22°F 97% 1018 mb
Low level cloud: 59%
Mid level cloud: 46%
High level cloud: 48%
Most Significant Cloud Type: low
81%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

N
N

 2 / 4 mph 22 / 19°F 98% 1021 mb
Low level cloud: 66%
Mid level cloud: 45%
High level cloud: 1%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 23
Apr		01:00

N
N

 4 / 8 mph 21 / 15°F 97% 1021 mb
Low level cloud: 61%
Mid level cloud: 32%
High level cloud: 4%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

 4 / 9 mph 20 / 13°F 96% 1019 mb
Low level cloud: 50%
Mid level cloud: 22%
High level cloud: 18%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

 3 / 7 mph 21 / 17°F 88% 1015 mb
Low level cloud: 4%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

 0 / 1 mph 29 / 29°F 72% 1011 mb
Low level cloud: 0%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 1 / 1 mph 29 / 29°F 81% 1009 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

N
N

 1 / 2 mph 27 / 27°F 88% 1007 mb
Low level cloud: 5%
Mid level cloud: 74%
High level cloud: 19%
Most Significant Cloud Type: medium
89%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

ENE
ENE

 1 / 2 mph 29 / 29°F 97% 1009 mb
Low level cloud: 58%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: low
77%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
22:00

NNW
NNW

 4 / 8 mph 24 / 19°F 95% 1012 mb
Low level cloud: 31%
Mid level cloud: 64%
High level cloud: 22%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 24
Apr		01:00

NNW
NNW

 5 / 9 mph 23 / 17°F 94% 1012 mb
Low level cloud: 23%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNW
NNW

 5 / 11 mph 20 / 12°F 92% 1012 mb
Low level cloud: 13%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

 3 / 6 mph 24 / 20°F 83% 1007 mb
Low level cloud: 0%
Mid level cloud: 36%
High level cloud: 0%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 3 / 5 mph 28 / 25°F 72% 1005 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 4 / 7 mph 30 / 27°F 71% 1003 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
16:00

WSW
WSW

 3 / 5 mph 30 / 28°F 74% 1003 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

N
N

 5 / 9 mph 29 / 24°F 92% 1007 mb
Low level cloud: 14%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

NNW
NNW

 6 / 12 mph 24 / 17°F 89% 1011 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 25
Apr		01:00

NNW
NNW

 6 / 12 mph 23 / 15°F 88% 1012 mb
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNW
NNW

 5 / 10 mph 22 / 15°F 86% 1013 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

 2 / 5 mph 25 / 22°F 72% 1010 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
10:00

S
S

 3 / 6 mph 28 / 24°F 61% 1009 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
13:00

S
S

 4 / 8 mph 30 / 26°F 59% 1008 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 1%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

 4 / 7 mph 30 / 26°F 63% 1007 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 2%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 2 / 3 mph 29 / 29°F 95% 1011 mb
Low level cloud: 40%
Mid level cloud: 20%
High level cloud: 5%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

 2 / 2 mph 27 / 27°F 97% 1014 mb
Low level cloud: 51%
Mid level cloud: 43%
High level cloud: 21%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 26
Apr		01:00

N
N

 3 / 7 mph 28 / 24°F 97% 1009 mb
Low level cloud: 57%
Mid level cloud: 46%
High level cloud: 2%
Most Significant Cloud Type: low
73%
0.0 In
07:00

NNE
NNE

 3 / 7 mph 22 / 17°F 96% 1010 mb
Low level cloud: 64%
Mid level cloud: 59%
High level cloud: 12%
Most Significant Cloud Type: low
85%
0.6 In
13:00

SSE
SSE

 6 / 12 mph 28 / 21°F 99% 1005 mb
Low level cloud: 68%
Mid level cloud: 43%
High level cloud: 5%
Most Significant Cloud Type: low
83%
0.0 In
19:00

ESE
ESE

 0 / 1 mph 29 / 29°F 100% 1008 mb
Low level cloud: 90%
Mid level cloud: 79%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.0 In
Sat 27
Apr		01:00

NNE
NNE

 1 / 2 mph 31 / 31°F 100% 1009 mb
Low level cloud: 91%
Mid level cloud: 95%
High level cloud: 66%
Most Significant Cloud Type: low
100%
0.0 In
07:00

ESE
ESE

 1 / 1 mph 30 / 30°F 93% 1018 mb
Low level cloud: 31%
Mid level cloud: 46%
High level cloud: 5%
Most Significant Cloud Type: low
48%
0.0 In
13:00

SSE
SSE

 3 / 7 mph 34 / 31°F 89% 1015 mb
Low level cloud: 21%
Mid level cloud: 60%
High level cloud: 6%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

SE
SE

 2 / 5 mph 41 / 40°F 99% 1015 mb
Low level cloud: 82%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
Sun 28
Apr		01:00

N
N

 0 / 0 mph 36 / 36°F 98% 1016 mb
Low level cloud: 71%
Mid level cloud: 43%
High level cloud: 72%
Most Significant Cloud Type: low
94%
0.1 In
07:00

E
E

 1 / 2 mph 33 / 33°F 99% 1014 mb
Low level cloud: 91%
Mid level cloud: 94%
High level cloud: 66%
Most Significant Cloud Type: low
100%
0.2 In
13:00

SSE
SSE

 4 / 9 mph 36 / 32°F 83% 1013 mb
Low level cloud: 0%
Mid level cloud: 54%
High level cloud: 32%
Most Significant Cloud Type: medium
54%
0.0 In
19:00

SE
SE

 3 / 6 mph 38 / 37°F 98% 1013 mb
Low level cloud: 77%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
96%
0.1 In
Mon 29
Apr		01:00

NE
NE

 2 / 3 mph 35 / 35°F 93% 1015 mb
Low level cloud: 18%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

SSE
SSE

 4 / 10 mph 35 / 31°F 100% 1014 mb
Low level cloud: 95%
Mid level cloud: 92%
High level cloud: 55%
Most Significant Cloud Type: low
100%
0.1 In
13:00

S
S

 4 / 9 mph 35 / 32°F 89% 1013 mb
Low level cloud: 32%
Mid level cloud: 54%
High level cloud: 69%
Most Significant Cloud Type: low
58%
0.0 In
19:00

SSE
SSE

 4 / 7 mph 39 / 37°F 97% 1018 mb
Low level cloud: 50%
Mid level cloud: 44%
High level cloud: 5%
Most Significant Cloud Type: low
65%
0.3 In
Tue 30
Apr		01:00

WNW
WNW

 2 / 5 mph 38 / 36°F 96% 1018 mb
Low level cloud: 40%
Mid level cloud: 46%
High level cloud: 28%
Most Significant Cloud Type: low
59%
0.0 In
07:00

SE
SE

 1 / 1 mph 37 / 37°F 86% 1021 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
10%
0.0 In
13:00

S
S

 5 / 10 mph 41 / 38°F 73% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
0.0 In
19:00

E
E

 1 / 2 mph 43 / 43°F 88% 1018 mb
Low level cloud: 0%
Mid level cloud: 47%
High level cloud: 90%
Most Significant Cloud Type: medium
51%
0.0 In
Wed 01
May		01:00

SW
SW

 2 / 4 mph 40 / 40°F 97% 1018 mb
Low level cloud: 51%
Mid level cloud: 81%
High level cloud: 3%
Most Significant Cloud Type: low
79%
0.1 In
07:00

SSE
SSE

 3 / 6 mph 42 / 41°F 93% 1013 mb
Low level cloud: 26%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: low
59%
0.3 In
13:00

SSE
SSE

 4 / 9 mph 41 / 38°F 88% 1014 mb
Low level cloud: 39%
Mid level cloud: 61%
High level cloud: 34%
Most Significant Cloud Type: low
64%
0.0 In
19:00

S
S

 2 / 5 mph 41 / 41°F 100% 1012 mb
Low level cloud: 95%
Mid level cloud: 54%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.2 In
Thu 02
May		01:00

E
E

 2 / 4 mph 41 / 41°F 98% 1012 mb
Low level cloud: 77%
Mid level cloud: 80%
High level cloud: 59%
Most Significant Cloud Type: low
100%
0.3 In
07:00

E
E

 1 / 3 mph 39 / 39°F 89% 1012 mb
Low level cloud: 12%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: medium
77%
0.0 In
13:00

SSE
SSE

 7 / 15 mph 46 / 42°F 65% 1005 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
0.1 In
19:00

E
E

 3 / 7 mph 49 / 48°F 94% 1008 mb
Low level cloud: 19%
Mid level cloud: 20%
High level cloud: 10%
Most Significant Cloud Type: low
27%
0.1 In
Fri 03
May		01:00

NNE
NNE

 1 / 2 mph 42 / 42°F 95% 1002 mb
Low level cloud: 41%
Mid level cloud: 70%
High level cloud: 99%
Most Significant Cloud Type: low
77%
0.1 In
07:00

E
E

 4 / 8 mph 38 / 35°F 97% 1004 mb
Low level cloud: 66%
Mid level cloud: 66%
High level cloud: 13%
Most Significant Cloud Type: low
90%
0.2 In
13:00

S
S

 5 / 10 mph 43 / 40°F 90% 1001 mb
Low level cloud: 38%
Mid level cloud: 76%
High level cloud: 32%
Most Significant Cloud Type: low
68%
0.1 In
19:00

NNE
NNE

 2 / 5 mph 44 / 43°F 95% 1004 mb
Low level cloud: 29%
Mid level cloud: 26%
High level cloud: 6%
Most Significant Cloud Type: low
38%
0.5 In
Sat 04
May		01:00

S
S

 2 / 5 mph 35 / 34°F 99% 1004 mb
Low level cloud: 91%
Mid level cloud: 65%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.4 In
07:00

S
S

 2 / 3 mph 40 / 40°F 90% 1007 mb
Low level cloud: 30%
Mid level cloud: 46%
High level cloud: 27%
Most Significant Cloud Type: low
49%
0.0 In
13:00

S
S

 4 / 9 mph 38 / 35°F 77% 1002 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 92%
Most Significant Cloud Type: medium
34%
0.1 In
19:00

S
S

 3 / 7 mph 43 / 41°F 97% 1008 mb
Low level cloud: 50%
Mid level cloud: 45%
High level cloud: 1%
Most Significant Cloud Type: low
66%
0.3 In

Other Locations Near to Rolle Pass

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