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Xinlong 14 Day Long Range Forecast

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

China

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

The outlook for Xinlong in the two weeks ahead shows the average daytime maximum temperature will be around 14°C, with a high for the two weeks of 17°C expected on the afternoon of Wednesday 1st. The mean minimum temperature will be 0°C, dipping to its lowest on the morning of Saturday 4th at -4°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain or sleet. The current forecast indicates Friday 3rd will have the most precipitation with an accumulation of around 18.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 29
Apr		20:00

S
S

 5 / 6 mph 40 / 36°F 85% 1008 mb
Low level cloud: 4%
Mid level cloud: 23%
High level cloud: 66%
Most Significant Cloud Type: medium
36%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
23:00

NW
NW

 1 / 2 mph 32 / 32°F 83% 1011 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 18%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 30
Apr		02:00

NNW
NNW

 0 / 1 mph 31 / 31°F 79% 1010 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 22%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

WNW
WNW

 2 / 4 mph 28 / 28°F 82% 1010 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 74%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SW
SW

 2 / 2 mph 40 / 39°F 70% 1010 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 4%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SW
SW

 4 / 4 mph 52 / 50°F 44% 1005 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 1%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NW
NW

 6 / 6 mph 59 / 57°F 27% 998 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 91%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NNW
NNW

 11 / 13 mph 53 / 49°F 41% 997 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 58%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

N
N

 5 / 6 mph 45 / 43°F 62% 1002 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 32%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

N
N

 4 / 5 mph 43 / 40°F 72% 1006 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 51%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 01
May		02:00

NE
NE

 1 / 2 mph 39 / 39°F 79% 1006 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 19%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

S
S

 2 / 4 mph 33 / 31°F 86% 1006 mb
Low level cloud: 1%
Mid level cloud: 21%
High level cloud: 9%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

S
S

 5 / 6 mph 41 / 36°F 82% 1007 mb
Low level cloud: 30%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SSW
SSW

 6 / 8 mph 52 / 48°F 50% 1003 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 2%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

W
W

 6 / 8 mph 62 / 60°F 25% 995 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
17:00

W
W

 3 / 4 mph 58 / 56°F 29% 993 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 59%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

WSW
WSW

 2 / 3 mph 43 / 43°F 71% 1003 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
23:00

SSW
SSW

 4 / 4 mph 40 / 38°F 87% 1007 mb
Low level cloud: 30%
Mid level cloud: 28%
High level cloud: 81%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 02
May		02:00

SSW
SSW

 4 / 5 mph 38 / 35°F 91% 1006 mb
Low level cloud: 40%
Mid level cloud: 34%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

S
S

 4 / 5 mph 37 / 33°F 93% 1007 mb
Low level cloud: 66%
Mid level cloud: 45%
High level cloud: 7%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

S
S

 6 / 6 mph 40 / 35°F 84% 1007 mb
Low level cloud: 39%
Mid level cloud: 24%
High level cloud: 88%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SSW
SSW

 7 / 8 mph 50 / 46°F 52% 1004 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 34%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

WSW
WSW

 9 / 12 mph 58 / 54°F 35% 997 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 36%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SSW
SSW

 11 / 13 mph 59 / 56°F 27% 994 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
20:00

W
W

 2 / 3 mph 48 / 48°F 51% 1000 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NNW
NNW

 6 / 7 mph 42 / 38°F 76% 1007 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 03
May		02:00

S
S

 1 / 1 mph 39 / 39°F 93% 1009 mb
Low level cloud: 44%
Mid level cloud: 46%
High level cloud: 84%
Most Significant Cloud Type: low
69%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
05:00

SW
SW

 3 / 3 mph 38 / 37°F 88% 1008 mb
Low level cloud: 9%
Mid level cloud: 26%
High level cloud: 78%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SE
SE

 1 / 2 mph 40 / 39°F 81% 1009 mb
Low level cloud: 3%
Mid level cloud: 23%
High level cloud: 96%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NE
NE

 0 / 1 mph 46 / 45°F 64% 1007 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 98%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

W
W

 4 / 6 mph 42 / 39°F 89% 1006 mb
Low level cloud: 43%
Mid level cloud: 44%
High level cloud: 85%
Most Significant Cloud Type: low
68%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
17:00

WNW
WNW

 5 / 6 mph 42 / 38°F 85% 1007 mb
Low level cloud: 2%
Mid level cloud: 27%
High level cloud: 18%
Most Significant Cloud Type: medium
33%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
20:00

N
N

 5 / 9 mph 33 / 28°F 89% 1010 mb
Low level cloud: 6%
Mid level cloud: 25%
High level cloud: 71%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

WNW
WNW

 5 / 6 mph 37 / 33°F 97% 1015 mb
Low level cloud: 65%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
91%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sat 04
May		02:00

NNW
NNW

 5 / 5 mph 34 / 30°F 95% 1016 mb
Low level cloud: 47%
Mid level cloud: 46%
High level cloud: 57%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

N
N

 4 / 9 mph 25 / 19°F 93% 1018 mb
Low level cloud: 25%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNW
NNW

 5 / 5 mph 35 / 30°F 83% 1018 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NNW
NNW

 5 / 6 mph 41 / 36°F 67% 1017 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 67%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NW
NW

 8 / 10 mph 46 / 41°F 51% 1013 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 8%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NNW
NNW

 9 / 10 mph 47 / 43°F 40% 1011 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
20:00

WNW
WNW

 4 / 7 mph 33 / 29°F 58% 1014 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 8%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

WSW
WSW

 3 / 6 mph 28 / 25°F 61% 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
Sun 05
May		02:00

W
W

 2 / 4 mph 27 / 27°F 62% 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
05:00

WSW
WSW

 1 / 3 mph 26 / 26°F 64% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 22%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SSW
SSW

 3 / 3 mph 38 / 35°F 54% 1016 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

S
S

 3 / 3 mph 50 / 49°F 36% 1011 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
14:00

SE
SE

 3 / 4 mph 58 / 57°F 26% 1005 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 82%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SSW
SSW

 7 / 8 mph 56 / 53°F 34% 1002 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 88%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NE
NE

 2 / 4 mph 40 / 39°F 63% 1008 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 37%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

SSE
SSE

 4 / 8 mph 36 / 33°F 71% 1012 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 56%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 06
May		02:00

SSW
SSW

 4 / 8 mph 32 / 29°F 51% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
08:00

SSW
SSW

 3 / 7 mph 41 / 39°F 64% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
14:00

SSE
SSE

 10 / 21 mph 56 / 53°F 40% 1003 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 96%
Most Significant Cloud Type: medium
34%
0.0 In
20:00

SSW
SSW

 3 / 7 mph 51 / 51°F 52% 1005 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 10%
Most Significant Cloud Type: medium
9%
0.0 In
Tue 07
May		02:00

SSW
SSW

 2 / 4 mph 40 / 40°F 98% 1016 mb
Low level cloud: 87%
Mid level cloud: 67%
High level cloud: 66%
Most Significant Cloud Type: low
100%
0.0 In
08:00

S
S

 3 / 6 mph 44 / 43°F 76% 1017 mb
Low level cloud: 2%
Mid level cloud: 15%
High level cloud: 88%
Most Significant Cloud Type: medium
24%
0.0 In
14:00

SE
SE

 8 / 16 mph 58 / 56°F 39% 1007 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 42%
Most Significant Cloud Type: medium
48%
0.0 In
20:00

S
S

 2 / 4 mph 46 / 47°F 79% 1009 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 7%
Most Significant Cloud Type: medium
15%
0.0 In
Wed 08
May		02:00

SSW
SSW

 3 / 6 mph 41 / 40°F 92% 1017 mb
Low level cloud: 76%
Mid level cloud: 46%
High level cloud: 20%
Most Significant Cloud Type: low
94%
0.0 In
08:00

NW
NW

 2 / 4 mph 43 / 44°F 92% 1015 mb
Low level cloud: 72%
Mid level cloud: 89%
High level cloud: 16%
Most Significant Cloud Type: low
100%
0.0 In
14:00

ESE
ESE

 3 / 6 mph 55 / 56°F 54% 1009 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 11%
Most Significant Cloud Type: medium
20%
0.0 In
20:00

SSE
SSE

 9 / 20 mph 48 / 44°F 76% 1009 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 82%
Most Significant Cloud Type: medium
18%
0.1 In
Thu 09
May		02:00

SSW
SSW

 4 / 9 mph 41 / 38°F 94% 1013 mb
Low level cloud: 39%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: low
58%
0.1 In
08:00

S
S

 4 / 8 mph 43 / 41°F 85% 1015 mb
Low level cloud: 43%
Mid level cloud: 45%
High level cloud: 10%
Most Significant Cloud Type: low
60%
0.1 In
14:00

SW
SW

 5 / 10 mph 56 / 56°F 49% 1005 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: medium
44%
0.0 In
20:00

SE
SE

 3 / 6 mph 47 / 46°F 70% 1005 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 6%
Most Significant Cloud Type: medium
11%
0.1 In
Fri 10
May		02:00

ESE
ESE

 2 / 5 mph 44 / 44°F 91% 1011 mb
Low level cloud: 46%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
64%
0.3 In
08:00

SSE
SSE

 4 / 8 mph 44 / 43°F 85% 1013 mb
Low level cloud: 43%
Mid level cloud: 31%
High level cloud: 3%
Most Significant Cloud Type: low
53%
0.0 In
14:00

S
S

 3 / 6 mph 56 / 56°F 58% 1006 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 51%
Most Significant Cloud Type: medium
47%
0.1 In
20:00

NNE
NNE

 5 / 11 mph 50 / 48°F 57% 1001 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 2%
Most Significant Cloud Type: medium
29%
0.1 In
Sat 11
May		02:00

NNE
NNE

 6 / 13 mph 39 / 35°F 91% 1019 mb
Low level cloud: 57%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
85%
0.2 In
08:00

SW
SW

 4 / 8 mph 46 / 44°F 84% 1010 mb
Low level cloud: 29%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
49%
0.1 In
14:00

NNE
NNE

 8 / 16 mph 56 / 54°F 35% 1013 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.0 In
20:00

ESE
ESE

 2 / 4 mph 48 / 48°F 82% 1006 mb
Low level cloud: 3%
Mid level cloud: 64%
High level cloud: 15%
Most Significant Cloud Type: medium
72%
0.2 In
Sun 12
May		02:00

SSW
SSW

 1 / 2 mph 34 / 34°F 76% 1020 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
08:00

SSW
SSW

 2 / 4 mph 46 / 46°F 83% 1010 mb
Low level cloud: 25%
Mid level cloud: 85%
High level cloud: 63%
Most Significant Cloud Type: medium
100%
0.1 In
14:00

SSE
SSE

 3 / 7 mph 62 / 62°F 25% 1009 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
20:00

ENE
ENE

 5 / 11 mph 54 / 52°F 68% 1004 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.2 In
Mon 13
May		02:00

SSE
SSE

 4 / 9 mph 43 / 41°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 34%
High level cloud: 0%
Most Significant Cloud Type: medium
34%
0.0 In
08:00

SSW
SSW

 3 / 7 mph 47 / 46°F 82% 1012 mb
Low level cloud: 14%
Mid level cloud: 20%
High level cloud: 9%
Most Significant Cloud Type: low
22%
0.1 In
14:00

SSW
SSW

 8 / 16 mph 59 / 57°F 48% 1004 mb
Low level cloud: 0%
Mid level cloud: 53%
High level cloud: 33%
Most Significant Cloud Type: medium
53%
0.0 In
20:00

SSE
SSE

 4 / 8 mph 52 / 51°F 51% 1001 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
Tue 14
May		02:00

NNW
NNW

 4 / 8 mph 40 / 38°F 98% 1014 mb
Low level cloud: 92%
Mid level cloud: 73%
High level cloud: 78%
Most Significant Cloud Type: low
100%
0.4 In
08:00

SSW
SSW

 5 / 11 mph 49 / 47°F 66% 1011 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
14:00

N
N

 6 / 14 mph 43 / 39°F 95% 1014 mb
Low level cloud: 80%
Mid level cloud: 45%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.3 In
20:00

W
W

 6 / 12 mph 54 / 53°F 40% 1000 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 37%
Most Significant Cloud Type: medium
7%
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