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Chech'on 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Chech'on

South Korea

Long range weather outlook for Chech'on includes 14 day forecast summary:

Taking a look at Chech'on over the coming two weeks and the average daytime maximum temperature will be around 35°C, with a high for the two weeks of 38°C expected on the afternoon of Tuesday 8th. The mean minimum temperature will be 22°C, dipping to its lowest on the morning of Friday 11th at 16°C. The next 14 days will remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 01
Jul		15:00

W
W

 9 / 11 mph 95 / 104°F 57% 1012 mb
Low level cloud: 31%
Mid level cloud: 44%
High level cloud: 4%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 8 / 9 mph 90 / 99°F 70% 1012 mb
Low level cloud: 6%
Mid level cloud: 13%
High level cloud: 5%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 4 / 9 mph 77 / 82°F 89% 1013 mb
Low level cloud: 1%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 02
Jul		00:00

WNW
WNW

 3 / 6 mph 75 / 79°F 94% 1013 mb
Low level cloud: 7%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 3 / 6 mph 73 / 77°F 95% 1013 mb
Low level cloud: 12%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 3 / 6 mph 76 / 77°F 94% 1014 mb
Low level cloud: 11%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 6 / 6 mph 88 / 93°F 69% 1014 mb
Low level cloud: 8%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 9 / 10 mph 94 / 102°F 53% 1013 mb
Low level cloud: 22%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 8 / 10 mph 96 / 105°F 52% 1012 mb
Low level cloud: 10%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 5 / 6 mph 93 / 103°F 65% 1011 mb
Low level cloud: 11%
Mid level cloud: 10%
High level cloud: 10%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 4 / 8 mph 78 / 83°F 84% 1012 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 4%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 03
Jul		00:00

WNW
WNW

 3 / 6 mph 74 / 79°F 91% 1012 mb
Low level cloud: 1%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 2 / 5 mph 73 / 78°F 94% 1011 mb
Low level cloud: 10%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 2 / 4 mph 76 / 78°F 93% 1012 mb
Low level cloud: 12%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 4 / 5 mph 89 / 92°F 66% 1012 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 8 / 9 mph 94 / 97°F 43% 1011 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 10 / 12 mph 95 / 101°F 45% 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
18:00

W
W

 7 / 8 mph 92 / 99°F 60% 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
21:00

WNW
WNW

 4 / 7 mph 78 / 82°F 79% 1010 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
Fri 04
Jul		00:00

WNW
WNW

 3 / 6 mph 73 / 77°F 84% 1009 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 3 / 7 mph 71 / 71°F 85% 1009 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 3 / 6 mph 73 / 69°F 84% 1010 mb
Low level cloud: 0%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 5 / 6 mph 87 / 88°F 62% 1009 mb
Low level cloud: 0%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 9 / 10 mph 93 / 95°F 44% 1008 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 15%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

 10 / 12 mph 95 / 99°F 44% 1007 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 6%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 7 / 10 mph 89 / 92°F 60% 1006 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 4 / 8 mph 75 / 79°F 80% 1007 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 05
Jul		00:00

WNW
WNW

 3 / 6 mph 72 / 77°F 88% 1008 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 4 / 8 mph 70 / 70°F 90% 1007 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 9%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 4 / 7 mph 72 / 69°F 92% 1007 mb
Low level cloud: 4%
Mid level cloud: 12%
High level cloud: 10%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 6 / 7 mph 86 / 88°F 65% 1007 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 5%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 9 / 10 mph 93 / 97°F 47% 1005 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 9 / 11 mph 94 / 100°F 48% 1004 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
18:00

WNW
WNW

 6 / 8 mph 91 / 98°F 61% 1003 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 5 / 10 mph 77 / 81°F 78% 1004 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
Sun 06
Jul		00:00

WNW
WNW

 4 / 7 mph 74 / 78°F 85% 1004 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 4 / 8 mph 71 / 71°F 89% 1004 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 4 / 7 mph 73 / 70°F 90% 1005 mb
Low level cloud: 1%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 3 / 4 mph 87 / 91°F 69% 1004 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 5 / 6 mph 96 / 106°F 53% 1003 mb
Low level cloud: 9%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 9 / 10 mph 98 / 110°F 48% 1001 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 7 / 8 mph 95 / 106°F 62% 1002 mb
Low level cloud: 2%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 2 / 5 mph 80 / 86°F 84% 1003 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 07
Jul		00:00

NNE
NNE

 2 / 3 mph 76 / 81°F 89% 1003 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

 2 / 4 mph 74 / 78°F 91% 1003 mb
Low level cloud: 2%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 1 / 2 mph 77 / 78°F 91% 1004 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 1 / 1 mph 90 / 98°F 70% 1004 mb
Low level cloud: 2%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 2 / 3 mph 97 / 107°F 53% 1003 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 2 / 3 mph 100 / 109°F 43% 1001 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 2 / 3 mph 97 / 109°F 55% 1001 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 3 / 7 mph 79 / 83°F 78% 1003 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
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 08
Jul		03:00

NE
NE

 2 / 3 mph 78 / 82°F 80% 1002 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
09:00

E
E

 3 / 4 mph 90 / 105°F 67% 1002 mb
Low level cloud: 0%
Mid level cloud: 36%
High level cloud: 0%
Most Significant Cloud Type: medium
36%
0.0 In
15:00

SSE
SSE

 2 / 3 mph 102 / 119°F 44% 1000 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
0.0 In
21:00

ENE
ENE

 3 / 5 mph 80 / 84°F 74% 1003 mb
Low level cloud: 3%
Mid level cloud: 32%
High level cloud: 11%
Most Significant Cloud Type: medium
40%
0.0 In
Wed 09
Jul		03:00

ENE
ENE

 2 / 3 mph 75 / 78°F 64% 1004 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
09:00

E
E

 3 / 4 mph 88 / 93°F 54% 1005 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
15:00

E
E

 11 / 16 mph 94 / 98°F 40% 1004 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.0 In
21:00

ESE
ESE

 4 / 6 mph 73 / 77°F 81% 1007 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 10
Jul		03:00

NNE
NNE

 3 / 5 mph 68 / 68°F 68% 1007 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
09:00

ENE
ENE

 10 / 12 mph 82 / 85°F 63% 1008 mb
Low level cloud: 11%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
15:00

E
E

 14 / 21 mph 91 / 96°F 44% 1004 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
21:00

ENE
ENE

 6 / 11 mph 68 / 69°F 85% 1008 mb
Low level cloud: 1%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Fri 11
Jul		03:00

NE
NE

 3 / 6 mph 66 / 66°F 90% 1005 mb
Low level cloud: 1%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
1%
0.0 In
09:00

E
E

 9 / 11 mph 77 / 79°F 63% 1008 mb
Low level cloud: 30%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 In
15:00

E
E

 14 / 21 mph 89 / 92°F 44% 1003 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
21:00

ESE
ESE

 6 / 9 mph 70 / 70°F 75% 1008 mb
Low level cloud: 40%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
59%
0.0 In
Sat 12
Jul		03:00

NE
NE

 4 / 7 mph 66 / 65°F 82% 1003 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 10%
Most Significant Cloud Type: medium
15%
0.0 In
09:00

ENE
ENE

 2 / 4 mph 70 / 70°F 93% 1007 mb
Low level cloud: 96%
Mid level cloud: 69%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
15:00

E
E

 12 / 18 mph 84 / 85°F 46% 1000 mb
Low level cloud: 0%
Mid level cloud: 47%
High level cloud: 33%
Most Significant Cloud Type: medium
48%
0.0 In
21:00

E
E

 8 / 13 mph 72 / 76°F 88% 1004 mb
Low level cloud: 75%
Mid level cloud: 72%
High level cloud: 85%
Most Significant Cloud Type: low
100%
0.0 In
Sun 13
Jul		03:00

E
E

 4 / 6 mph 67 / 67°F 73% 999 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 87%
Most Significant Cloud Type: medium
49%
0.0 In
09:00

E
E

 10 / 16 mph 80 / 86°F 85% 1001 mb
Low level cloud: 82%
Mid level cloud: 71%
High level cloud: 9%
Most Significant Cloud Type: low
100%
0.0 In
15:00

E
E

 13 / 20 mph 83 / 83°F 47% 996 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 97%
Most Significant Cloud Type: medium
20%
0.0 In
21:00

ESE
ESE

 6 / 9 mph 75 / 79°F 96% 1000 mb
Low level cloud: 71%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
85%
0.0 In
Mon 14
Jul		03:00

ENE
ENE

 17 / 25 mph 71 / 71°F 75% 994 mb
Low level cloud: 19%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
46%
0.0 In
09:00

S
S

 3 / 5 mph 82 / 92°F 85% 1000 mb
Low level cloud: 69%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
79%
0.0 In
15:00

E
E

 26 / 41 mph 74 / 79°F 96% 988 mb
Low level cloud: 96%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
1.2 In
21:00

NW
NW

 4 / 6 mph 79 / 85°F 85% 999 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 1%
Most Significant Cloud Type: medium
24%
0.0 In
Tue 15
Jul		03:00

SSE
SSE

 15 / 29 mph 72 / 76°F 92% 990 mb
Low level cloud: 73%
Mid level cloud: 48%
High level cloud: 11%
Most Significant Cloud Type: low
91%
0.5 In
09:00

ENE
ENE

 4 / 7 mph 86 / 97°F 71% 1001 mb
Low level cloud: 44%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
15:00

WSW
WSW

 6 / 13 mph 77 / 81°F 83% 1000 mb
Low level cloud: 66%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
81%
0.1 In
21:00

ESE
ESE

 4 / 9 mph 76 / 79°F 79% 1002 mb
Low level cloud: 1%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
0.0 In
Wed 16
Jul		03:00

NW
NW

 2 / 4 mph 70 / 70°F 90% 1006 mb
Low level cloud: 27%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
29%
0.0 In
09:00

ENE
ENE

 13 / 23 mph 85 / 91°F 64% 1003 mb
Low level cloud: 4%
Mid level cloud: 45%
High level cloud: 6%
Most Significant Cloud Type: medium
57%
0.0 In
15:00

SSW
SSW

 3 / 6 mph 97 / 111°F 49% 1007 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
21:00

ENE
ENE

 6 / 10 mph 75 / 79°F 86% 1003 mb
Low level cloud: 89%
Mid level cloud: 78%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In

Other Locations Near to Chech'on

Cities and Towns: Munkyong, South Korea

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