WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

North Andover 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for North Andover

Massachusetts, United States Of America

Long range weather outlook for North Andover includes 14 day forecast summary:

Over the next 14 days the North Andover forecast suggests the average daytime maximum temperature will be around 11°C, with a high for the two weeks of 16°C expected on the afternoon of Monday 18th. The average minimum temperature will be 4°C, dipping to its lowest on the morning of Thursday 14th at -2°C. Expect the coming 14 days to remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 14
Nov
16:00

E
E

4 / 5 mph 41 / 38°F 36% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

2 / 4 mph 35 / 34°F 49% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: high
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

4 / 9 mph 32 / 28°F 43% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: high
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 15
Nov
01:00

NW
NW

4 / 8 mph 30 / 26°F 38% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 17%
Most Significant Cloud Type: high
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

3 / 7 mph 29 / 26°F 37% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: high
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

5 / 11 mph 29 / 24°F 38% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

7 / 8 mph 46 / 42°F 24% 1009 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
13:00

NW
NW

8 / 9 mph 55 / 52°F 18% 1006 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
16:00

NW
NW

8 / 14 mph 49 / 46°F 29% 1005 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

7 / 13 mph 44 / 40°F 38% 1005 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

6 / 10 mph 45 / 41°F 41% 1005 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 16
Nov
01:00

NNW
NNW

5 / 10 mph 41 / 37°F 49% 1004 mb
Low level cloud: 0%
Mid level cloud: 36%
High level cloud: 6%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

6 / 11 mph 45 / 41°F 45% 1005 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 22%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

8 / 13 mph 45 / 40°F 41% 1006 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 1%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

11 / 13 mph 54 / 50°F 31% 1007 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
13:00

NW
NW

13 / 15 mph 57 / 54°F 29% 1007 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

12 / 16 mph 55 / 51°F 34% 1009 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

11 / 14 mph 50 / 46°F 34% 1011 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

10 / 13 mph 47 / 43°F 38% 1012 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 17
Nov
01:00

NW
NW

9 / 14 mph 45 / 41°F 40% 1012 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
04:00

NW
NW

9 / 13 mph 44 / 39°F 44% 1013 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
07:00

NW
NW

6 / 10 mph 42 / 38°F 45% 1015 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
10:00

NNW
NNW

9 / 10 mph 53 / 50°F 29% 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
13:00

NW
NW

9 / 10 mph 59 / 57°F 25% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: high
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

5 / 8 mph 54 / 52°F 37% 1013 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 33%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

3 / 7 mph 46 / 44°F 45% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

4 / 7 mph 45 / 43°F 45% 1012 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 32%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 18
Nov
01:00

WSW
WSW

2 / 5 mph 44 / 43°F 44% 1011 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 94%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

4 / 9 mph 43 / 41°F 42% 1009 mb
Low level cloud: 0%
Mid level cloud: 34%
High level cloud: 48%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

5 / 10 mph 46 / 43°F 44% 1007 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

9 / 12 mph 54 / 51°F 52% 1006 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
13:00

WNW
WNW

12 / 14 mph 61 / 61°F 43% 1003 mb
Low level cloud: 4%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

11 / 17 mph 55 / 52°F 49% 1004 mb
Low level cloud: 5%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

9 / 13 mph 48 / 44°F 64% 1006 mb
Low level cloud: 38%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

11 / 15 mph 48 / 44°F 58% 1006 mb
Low level cloud: 83%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 19
Nov
01:00

WNW
WNW

11 / 15 mph 47 / 42°F 63% 1006 mb
Low level cloud: 80%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

12 / 16 mph 47 / 42°F 65% 1006 mb
Low level cloud: 86%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

11 / 17 mph 46 / 40°F 66% 1007 mb
Low level cloud: 21%
Mid level cloud: 4%
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

NW
NW

13 / 16 mph 49 / 44°F 55% 1007 mb
Low level cloud: 18%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

15 / 17 mph 53 / 48°F 49% 1006 mb
Low level cloud: 3%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

12 / 16 mph 49 / 44°F 59% 1007 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
19:00

WNW
WNW

8 / 12 mph 46 / 41°F 66% 1008 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

8 / 13 mph 44 / 39°F 66% 1008 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 20
Nov
01:00

WNW
WNW

6 / 10 mph 43 / 39°F 73% 1008 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
04:00

WNW
WNW

5 / 8 mph 41 / 37°F 78% 1008 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

4 / 7 mph 39 / 35°F 84% 1009 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

NW
NW

5 / 6 mph 48 / 46°F 55% 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
13:00

NW
NW

4 / 4 mph 54 / 54°F 43% 1008 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
16:00

ESE
ESE

3 / 4 mph 52 / 51°F 55% 1009 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

ESE
ESE

4 / 6 mph 45 / 43°F 71% 1010 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 82%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

4 / 7 mph 43 / 41°F 77% 1010 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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 21
Nov
01:00

NW
NW

3 / 4 mph 46 / 45°F 61% 1011 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 19%
Most Significant Cloud Type: high
19%
0.0 In
07:00

ESE
ESE

14 / 23 mph 52 / 48°F 96% 999 mb
Low level cloud: 97%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SW
SW

12 / 15 mph 48 / 42°F 41% 993 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

WSW
WSW

7 / 9 mph 44 / 40°F 45% 999 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
Fri 22
Nov
01:00

SSW
SSW

12 / 18 mph 48 / 44°F 83% 1003 mb
Low level cloud: 98%
Mid level cloud: 0%
High level cloud: 76%
Most Significant Cloud Type: low
100%
0.0 In
07:00

ESE
ESE

12 / 18 mph 48 / 42°F 92% 1013 mb
Low level cloud: 98%
Mid level cloud: 78%
High level cloud: 10%
Most Significant Cloud Type: low
100%
0.0 In
13:00

WSW
WSW

11 / 14 mph 52 / 48°F 36% 1007 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
19:00

SW
SW

6 / 7 mph 52 / 51°F 60% 1004 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
Sat 23
Nov
01:00

S
S

4 / 6 mph 42 / 40°F 70% 1008 mb
Low level cloud: 68%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
74%
0.0 In
07:00

WSW
WSW

5 / 7 mph 40 / 37°F 73% 1003 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
99%
0.0 In
13:00

WSW
WSW

12 / 15 mph 47 / 42°F 46% 1005 mb
Low level cloud: 6%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
62%
0.0 In
19:00

WSW
WSW

10 / 14 mph 42 / 36°F 68% 1006 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 2%
Most Significant Cloud Type: medium
100%
0.0 In
Sun 24
Nov
01:00

SW
SW

6 / 7 mph 40 / 35°F 45% 1008 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
0.0 In
07:00

W
W

11 / 18 mph 44 / 38°F 69% 1006 mb
Low level cloud: 67%
Mid level cloud: 29%
High level cloud: 6%
Most Significant Cloud Type: low
78%
0.0 In
13:00

W
W

12 / 15 mph 42 / 35°F 36% 1008 mb
Low level cloud: 0%
Mid level cloud: 97%
High level cloud: 0%
Most Significant Cloud Type: medium
96%
0.0 In
19:00

WNW
WNW

9 / 11 mph 51 / 47°F 72% 1007 mb
Low level cloud: 23%
Mid level cloud: 18%
High level cloud: 1%
Most Significant Cloud Type: low
29%
0.0 In
Mon 25
Nov
01:00

WSW
WSW

6 / 8 mph 36 / 30°F 67% 1015 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
07:00

NW
NW

9 / 12 mph 33 / 26°F 63% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 68%
Most Significant Cloud Type: high
68%
0.0 In
13:00

W
W

7 / 9 mph 46 / 43°F 42% 1017 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: medium
45%
0.0 In
19:00

SE
SE

5 / 6 mph 41 / 38°F 59% 1016 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 4%
Most Significant Cloud Type: medium
45%
0.0 In
Tue 26
Nov
01:00

WSW
WSW

3 / 4 mph 39 / 37°F 81% 1015 mb
Low level cloud: 7%
Mid level cloud: 44%
High level cloud: 36%
Most Significant Cloud Type: medium
65%
0.0 In
07:00

ESE
ESE

5 / 7 mph 41 / 37°F 89% 1010 mb
Low level cloud: 98%
Mid level cloud: 57%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NW
NW

6 / 7 mph 47 / 44°F 42% 1011 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 91%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

NE
NE

6 / 9 mph 45 / 42°F 96% 1005 mb
Low level cloud: 99%
Mid level cloud: 74%
High level cloud: 9%
Most Significant Cloud Type: low
100%
0.3 In
Wed 27
Nov
01:00

WNW
WNW

8 / 10 mph 35 / 28°F 72% 1011 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

N
N

6 / 9 mph 39 / 35°F 95% 1007 mb
Low level cloud: 100%
Mid level cloud: 55%
High level cloud: 78%
Most Significant Cloud Type: low
100%
0.2 In
13:00

WNW
WNW

12 / 15 mph 46 / 40°F 38% 1009 mb
Low level cloud: 5%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
19:00

NW
NW

6 / 9 mph 41 / 37°F 97% 1011 mb
Low level cloud: 92%
Mid level cloud: 92%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.2 In
Thu 28
Nov
01:00

WNW
WNW

9 / 12 mph 34 / 27°F 63% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WNW
WNW

9 / 12 mph 33 / 26°F 79% 1013 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 21%
Most Significant Cloud Type: medium
26%
0.0 In
13:00

WNW
WNW

9 / 12 mph 45 / 40°F 39% 1009 mb
Low level cloud: 17%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.0 In
19:00

WNW
WNW

7 / 11 mph 41 / 36°F 77% 1012 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 6%
Most Significant Cloud Type: medium
12%
0.0 In
Fri 29
Nov
01:00

W
W

5 / 7 mph 33 / 28°F 84% 1011 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: medium
35%
0.0 In
07:00

NNW
NNW

5 / 7 mph 33 / 28°F 71% 1010 mb
Low level cloud: 1%
Mid level cloud: 17%
High level cloud: 38%
Most Significant Cloud Type: medium
20%
0.0 In
13:00

WNW
WNW

7 / 9 mph 46 / 43°F 41% 1013 mb
Low level cloud: 23%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
19:00

NW
NW

8 / 11 mph 33 / 26°F 69% 1011 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
0.0 In

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