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Clifton Green 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Clifton Green

Greater Manchester, United Kingdom

Long range weather outlook for Clifton Green includes 14 day forecast summary:

Taking a look at Clifton Green over the coming two weeks and the average daytime maximum temperature will be around 19°C, with a high for the two weeks of 23°C expected on the afternoon of Tuesday 1st. The average minimum temperature will be 13°C, dipping to its lowest on the morning of Tuesday 8th at 10°C. The coming 14 days will have most days seeing a little rain. Predictions are Saturday 5th will have the most precipitation with an accumulation of around 19.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 01
Jul		18:00

WNW
WNW

 8 / 11 mph 60 / 60°F 96% 1016 mb
Low level cloud: 98%
Mid level cloud: 40%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

WNW
WNW

 5 / 6 mph 60 / 59°F 95% 1017 mb
Low level cloud: 99%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 02
Jul		00:00

NW
NW

 4 / 5 mph 58 / 58°F 94% 1018 mb
Low level cloud: 97%
Mid level cloud: 48%
High level cloud: 29%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 4 / 4 mph 56 / 57°F 94% 1017 mb
Low level cloud: 79%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 4 / 5 mph 57 / 56°F 91% 1018 mb
Low level cloud: 82%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 10 / 12 mph 63 / 62°F 65% 1018 mb
Low level cloud: 41%
Mid level cloud: 5%
High level cloud: 1%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 15 / 17 mph 66 / 65°F 42% 1019 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 16 / 18 mph 66 / 65°F 40% 1021 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
18:00

WNW
WNW

 13 / 14 mph 65 / 64°F 52% 1022 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

 6 / 7 mph 60 / 58°F 71% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 03
Jul		00:00

W
W

 5 / 8 mph 55 / 53°F 82% 1025 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 3 / 4 mph 53 / 53°F 90% 1026 mb
Low level cloud: 12%
Mid level cloud: 4%
High level cloud: 33%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 3 / 3 mph 57 / 56°F 80% 1027 mb
Low level cloud: 19%
Mid level cloud: 7%
High level cloud: 32%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 9 / 11 mph 64 / 63°F 54% 1027 mb
Low level cloud: 47%
Mid level cloud: 44%
High level cloud: 87%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 11 / 13 mph 67 / 65°F 42% 1028 mb
Low level cloud: 6%
Mid level cloud: 8%
High level cloud: 94%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 11 / 13 mph 68 / 67°F 41% 1027 mb
Low level cloud: 2%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 11 / 13 mph 66 / 64°F 53% 1027 mb
Low level cloud: 6%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 8 / 11 mph 60 / 58°F 72% 1027 mb
Low level cloud: 69%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 04
Jul		00:00

SW
SW

 6 / 8 mph 57 / 56°F 80% 1027 mb
Low level cloud: 15%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 5 / 8 mph 54 / 53°F 86% 1026 mb
Low level cloud: 13%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

 7 / 9 mph 58 / 55°F 79% 1026 mb
Low level cloud: 4%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 11 / 13 mph 65 / 63°F 50% 1025 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 21%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 15 / 17 mph 72 / 75°F 38% 1023 mb
Low level cloud: 0%
Mid level cloud: 83%
High level cloud: 69%
Most Significant Cloud Type: medium
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 15 / 18 mph 71 / 69°F 45% 1021 mb
Low level cloud: 0%
Mid level cloud: 52%
High level cloud: 22%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 12 / 15 mph 64 / 63°F 61% 1020 mb
Low level cloud: 6%
Mid level cloud: 98%
High level cloud: 9%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 12 / 16 mph 61 / 61°F 74% 1019 mb
Low level cloud: 100%
Mid level cloud: 90%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 05
Jul		00:00

SW
SW

 11 / 19 mph 57 / 55°F 82% 1017 mb
Low level cloud: 100%
Mid level cloud: 99%
High level cloud: 46%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 9 / 17 mph 55 / 53°F 94% 1015 mb
Low level cloud: 100%
Mid level cloud: 97%
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

SSW
SSW

 8 / 17 mph 54 / 52°F 96% 1013 mb
Low level cloud: 100%
Mid level cloud: 65%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 10 / 17 mph 57 / 55°F 98% 1011 mb
Low level cloud: 100%
Mid level cloud: 93%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
12:00

SSW
SSW

 10 / 14 mph 60 / 60°F 99% 1009 mb
Low level cloud: 100%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.4 In of precipitation over the past 3 hours.
0.4 In
15:00

SW
SW

 10 / 12 mph 62 / 62°F 98% 1006 mb
Low level cloud: 100%
Mid level cloud: 99%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

SW
SW

 11 / 15 mph 61 / 61°F 97% 1004 mb
Low level cloud: 100%
Mid level cloud: 94%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 15 / 18 mph 58 / 55°F 95% 1004 mb
Low level cloud: 86%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 06
Jul		00:00

W
W

 13 / 16 mph 55 / 52°F 93% 1005 mb
Low level cloud: 87%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 11 / 17 mph 54 / 50°F 95% 1004 mb
Low level cloud: 100%
Mid level cloud: 46%
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

W
W

 11 / 19 mph 53 / 48°F 94% 1004 mb
Low level cloud: 77%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 14 / 21 mph 55 / 52°F 87% 1005 mb
Low level cloud: 95%
Mid level cloud: 44%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 15 / 20 mph 59 / 56°F 89% 1006 mb
Low level cloud: 93%
Mid level cloud: 49%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 17 / 23 mph 61 / 61°F 87% 1007 mb
Low level cloud: 94%
Mid level cloud: 40%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 18 / 21 mph 60 / 56°F 74% 1009 mb
Low level cloud: 35%
Mid level cloud: 23%
High level cloud: 9%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 13 / 15 mph 58 / 54°F 81% 1011 mb
Low level cloud: 24%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 07
Jul		00:00

WNW
WNW

 7 / 11 mph 53 / 51°F 86% 1011 mb
Low level cloud: 41%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 10 / 16 mph 52 / 49°F 89% 1011 mb
Low level cloud: 71%
Mid level cloud: 6%
High level cloud: 6%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 9 / 12 mph 55 / 51°F 86% 1012 mb
Low level cloud: 51%
Mid level cloud: 5%
High level cloud: 12%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 13 / 15 mph 59 / 55°F 74% 1012 mb
Low level cloud: 69%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 15 / 17 mph 64 / 62°F 58% 1012 mb
Low level cloud: 36%
Mid level cloud: 5%
High level cloud: 14%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 13 / 15 mph 65 / 64°F 56% 1012 mb
Low level cloud: 68%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 11 / 12 mph 63 / 61°F 72% 1012 mb
Low level cloud: 46%
Mid level cloud: 44%
High level cloud: 99%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 7 / 10 mph 56 / 54°F 87% 1013 mb
Low level cloud: 74%
Mid level cloud: 12%
High level cloud: 13%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 08
Jul		00:00

NNW
NNW

 4 / 9 mph 60 / 60°F 93% 1012 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.0 In
06:00

W
W

 7 / 15 mph 60 / 60°F 81% 1023 mb
Low level cloud: 4%
Mid level cloud: 31%
High level cloud: 5%
Most Significant Cloud Type: medium
42%
0.0 In
12:00

NNE
NNE

 6 / 11 mph 76 / 77°F 41% 1014 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 33%
Most Significant Cloud Type: medium
30%
0.0 In
18:00

WNW
WNW

 13 / 26 mph 63 / 63°F 68% 1015 mb
Low level cloud: 97%
Mid level cloud: 44%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.0 In
Wed 09
Jul		00:00

W
W

 7 / 16 mph 56 / 54°F 84% 1018 mb
Low level cloud: 87%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SW
SW

 5 / 11 mph 56 / 56°F 81% 1019 mb
Low level cloud: 7%
Mid level cloud: 32%
High level cloud: 32%
Most Significant Cloud Type: medium
53%
0.0 In
12:00

W
W

 12 / 24 mph 71 / 71°F 61% 1022 mb
Low level cloud: 58%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: low
75%
0.0 In
18:00

WNW
WNW

 11 / 22 mph 69 / 69°F 59% 1021 mb
Low level cloud: 6%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
39%
0.0 In
Thu 10
Jul		00:00

WSW
WSW

 4 / 9 mph 61 / 61°F 99% 1015 mb
Low level cloud: 87%
Mid level cloud: 56%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
06:00

W
W

 5 / 11 mph 64 / 64°F 79% 1020 mb
Low level cloud: 81%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.0 In
12:00

WSW
WSW

 10 / 21 mph 65 / 65°F 78% 1012 mb
Low level cloud: 71%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: low
90%
0.0 In
18:00

NW
NW

 8 / 17 mph 72 / 76°F 63% 1020 mb
Low level cloud: 14%
Mid level cloud: 41%
High level cloud: 17%
Most Significant Cloud Type: medium
79%
0.0 In
Fri 11
Jul		00:00

WSW
WSW

 10 / 20 mph 58 / 56°F 96% 1011 mb
Low level cloud: 95%
Mid level cloud: 91%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.1 In
06:00

W
W

 3 / 7 mph 64 / 64°F 84% 1020 mb
Low level cloud: 87%
Mid level cloud: 43%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WNW
WNW

 5 / 11 mph 62 / 62°F 97% 1013 mb
Low level cloud: 98%
Mid level cloud: 92%
High level cloud: 7%
Most Significant Cloud Type: low
100%
0.1 In
18:00

NW
NW

 8 / 17 mph 73 / 77°F 61% 1019 mb
Low level cloud: 13%
Mid level cloud: 5%
High level cloud: 3%
Most Significant Cloud Type: low
15%
0.0 In
Sat 12
Jul		00:00

SSW
SSW

 7 / 15 mph 63 / 63°F 96% 1016 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 7%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NW
NW

 1 / 3 mph 63 / 63°F 75% 1020 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
0.0 In
12:00

SW
SW

 10 / 21 mph 65 / 65°F 88% 1016 mb
Low level cloud: 99%
Mid level cloud: 99%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NW
NW

 6 / 13 mph 73 / 77°F 57% 1019 mb
Low level cloud: 0%
Mid level cloud: 38%
High level cloud: 0%
Most Significant Cloud Type: medium
38%
0.0 In
Sun 13
Jul		00:00

SW
SW

 7 / 15 mph 65 / 65°F 94% 1018 mb
Low level cloud: 100%
Mid level cloud: 78%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.1 In
06:00

SSW
SSW

 3 / 6 mph 65 / 65°F 82% 1020 mb
Low level cloud: 49%
Mid level cloud: 24%
High level cloud: 5%
Most Significant Cloud Type: low
58%
0.0 In
12:00

SW
SW

 6 / 13 mph 71 / 71°F 71% 1020 mb
Low level cloud: 69%
Mid level cloud: 23%
High level cloud: 3%
Most Significant Cloud Type: low
77%
0.0 In
18:00

WNW
WNW

 8 / 16 mph 73 / 77°F 71% 1020 mb
Low level cloud: 58%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.0 In
Mon 14
Jul		00:00

SSW
SSW

 7 / 15 mph 66 / 66°F 85% 1018 mb
Low level cloud: 25%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
45%
0.0 In
06:00

W
W

 6 / 13 mph 67 / 67°F 89% 1021 mb
Low level cloud: 93%
Mid level cloud: 12%
High level cloud: 5%
Most Significant Cloud Type: low
97%
0.0 In
12:00

WNW
WNW

 7 / 15 mph 63 / 64°F 84% 1020 mb
Low level cloud: 68%
Mid level cloud: 16%
High level cloud: 35%
Most Significant Cloud Type: low
77%
0.1 In
18:00

NW
NW

 9 / 19 mph 74 / 77°F 65% 1022 mb
Low level cloud: 5%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
35%
0.0 In
Tue 15
Jul		00:00

NW
NW

 2 / 3 mph 64 / 64°F 83% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.0 In
06:00

NNW
NNW

 2 / 4 mph 72 / 76°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
0.0 In
12:00

NW
NW

 9 / 19 mph 71 / 71°F 49% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

NNW
NNW

 6 / 12 mph 84 / 87°F 57% 1019 mb
Low level cloud: 8%
Mid level cloud: 32%
High level cloud: 42%
Most Significant Cloud Type: medium
56%
0.0 In
Wed 16
Jul		00:00

NE
NE

 3 / 6 mph 65 / 65°F 75% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
06:00

ENE
ENE

 3 / 6 mph 68 / 68°F 90% 1020 mb
Low level cloud: 67%
Mid level cloud: 25%
High level cloud: 3%
Most Significant Cloud Type: low
75%
0.2 In
12:00

SSE
SSE

 6 / 12 mph 80 / 80°F 42% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: high
14%
0.0 In
18:00

NNW
NNW

 6 / 12 mph 85 / 90°F 61% 1018 mb
Low level cloud: 14%
Mid level cloud: 17%
High level cloud: 17%
Most Significant Cloud Type: low
21%
0.0 In

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