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Morant Point(lgt-H) 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Morant Point(lgt-H)

Jamaica

Long range weather outlook for Morant Point(lgt-H) includes 14 day forecast summary:

The next 14 day outlook for Morant Point(lgt-H) shows the average daytime maximum temperature will be around 28°C, with a high for the two weeks of 29°C expected on the afternoon of Friday 27th. The mean minimum temperature will be 25°C, dipping to its lowest on the morning of Saturday 4th at 22°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. Predictions are Friday 3rd will have the most precipitation with an accumulation of around 88.0mm. On the whole winds are likely to be moderate. Expect the strongest wind on the afternoon of Sunday 5th, coming from a north easterly direction, and reaching around 29mph. The forecast suggests the maximum gusts will be on Saturday evening.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 26
Dec		01:00

E
E

 10 / 15 mph 79 / 84°F 84% 1013 mb
Low level cloud: 23%
Mid level cloud: 46%
High level cloud: 29%
Most Significant Cloud Type: low
42%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

NE
NE

 6 / 10 mph 78 / 83°F 82% 1013 mb
Low level cloud: 4%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: medium
55%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

ENE
ENE

 4 / 6 mph 80 / 82°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 6%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

 8 / 11 mph 83 / 89°F 81% 1016 mb
Low level cloud: 1%
Mid level cloud: 14%
High level cloud: 10%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

 9 / 12 mph 85 / 92°F 75% 1013 mb
Low level cloud: 2%
Mid level cloud: 16%
High level cloud: 17%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

 6 / 7 mph 85 / 90°F 75% 1012 mb
Low level cloud: 17%
Mid level cloud: 24%
High level cloud: 29%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

 9 / 11 mph 82 / 89°F 80% 1013 mb
Low level cloud: 23%
Mid level cloud: 21%
High level cloud: 27%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 11 / 13 mph 81 / 87°F 81% 1015 mb
Low level cloud: 42%
Mid level cloud: 17%
High level cloud: 32%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 27
Dec		19:00

NE
NE

 11 / 13 mph 82 / 89°F 81% 1014 mb
Low level cloud: 45%
Mid level cloud: 13%
High level cloud: 32%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 13 / 16 mph 80 / 86°F 82% 1014 mb
Low level cloud: 38%
Mid level cloud: 22%
High level cloud: 62%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 28
Dec		01:00

NE
NE

 13 / 20 mph 79 / 84°F 84% 1014 mb
Low level cloud: 64%
Mid level cloud: 19%
High level cloud: 36%
Most Significant Cloud Type: low
74%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

NE
NE

 12 / 17 mph 78 / 83°F 84% 1013 mb
Low level cloud: 56%
Mid level cloud: 15%
High level cloud: 58%
Most Significant Cloud Type: low
68%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

NE
NE

 9 / 12 mph 80 / 83°F 83% 1014 mb
Low level cloud: 43%
Mid level cloud: 8%
High level cloud: 31%
Most Significant Cloud Type: low
49%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

E
E

 7 / 9 mph 82 / 86°F 80% 1016 mb
Low level cloud: 39%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

 10 / 11 mph 83 / 89°F 78% 1014 mb
Low level cloud: 43%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

 9 / 11 mph 84 / 90°F 79% 1013 mb
Low level cloud: 26%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

 11 / 13 mph 81 / 88°F 83% 1014 mb
Low level cloud: 31%
Mid level cloud: 11%
High level cloud: 1%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 9 / 13 mph 80 / 85°F 83% 1015 mb
Low level cloud: 14%
Mid level cloud: 12%
High level cloud: 1%
Most Significant Cloud Type: low
17%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 29
Dec		01:00

NNE
NNE

 7 / 10 mph 78 / 82°F 81% 1014 mb
Low level cloud: 7%
Mid level cloud: 11%
High level cloud: 1%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 5 / 8 mph 77 / 81°F 81% 1013 mb
Low level cloud: 26%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

 7 / 10 mph 79 / 81°F 82% 1015 mb
Low level cloud: 31%
Mid level cloud: 14%
High level cloud: 5%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

 6 / 7 mph 82 / 84°F 79% 1016 mb
Low level cloud: 31%
Mid level cloud: 14%
High level cloud: 18%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

 9 / 10 mph 83 / 87°F 76% 1014 mb
Low level cloud: 42%
Mid level cloud: 10%
High level cloud: 20%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

 9 / 11 mph 84 / 89°F 81% 1012 mb
Low level cloud: 35%
Mid level cloud: 12%
High level cloud: 42%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 9 / 11 mph 80 / 86°F 81% 1014 mb
Low level cloud: 41%
Mid level cloud: 15%
High level cloud: 42%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 10 / 13 mph 79 / 83°F 81% 1014 mb
Low level cloud: 44%
Mid level cloud: 17%
High level cloud: 38%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 30
Dec		01:00

NE
NE

 12 / 17 mph 78 / 83°F 81% 1013 mb
Low level cloud: 68%
Mid level cloud: 24%
High level cloud: 81%
Most Significant Cloud Type: low
86%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

NE
NE

 11 / 16 mph 78 / 82°F 78% 1012 mb
Low level cloud: 69%
Mid level cloud: 10%
High level cloud: 86%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 10 / 14 mph 79 / 82°F 77% 1013 mb
Low level cloud: 50%
Mid level cloud: 9%
High level cloud: 37%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

 11 / 13 mph 81 / 84°F 77% 1015 mb
Low level cloud: 21%
Mid level cloud: 11%
High level cloud: 39%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NE
NE

 11 / 13 mph 82 / 87°F 78% 1012 mb
Low level cloud: 60%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

 10 / 12 mph 83 / 87°F 78% 1011 mb
Low level cloud: 30%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

 9 / 11 mph 80 / 85°F 78% 1013 mb
Low level cloud: 48%
Mid level cloud: 7%
High level cloud: 100%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 8 / 9 mph 79 / 84°F 80% 1014 mb
Low level cloud: 43%
Mid level cloud: 7%
High level cloud: 37%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 31
Dec		01:00

ENE
ENE

 8 / 11 mph 78 / 82°F 83% 1013 mb
Low level cloud: 60%
Mid level cloud: 18%
High level cloud: 11%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 10 / 15 mph 77 / 81°F 83% 1012 mb
Low level cloud: 67%
Mid level cloud: 25%
High level cloud: 33%
Most Significant Cloud Type: low
79%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

NE
NE

 9 / 13 mph 79 / 81°F 81% 1013 mb
Low level cloud: 61%
Mid level cloud: 23%
High level cloud: 22%
Most Significant Cloud Type: low
71%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

NE
NE

 9 / 11 mph 81 / 83°F 76% 1015 mb
Low level cloud: 48%
Mid level cloud: 17%
High level cloud: 32%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

 9 / 11 mph 82 / 85°F 76% 1013 mb
Low level cloud: 42%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

 10 / 12 mph 82 / 86°F 78% 1012 mb
Low level cloud: 51%
Mid level cloud: 14%
High level cloud: 80%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 8 / 10 mph 80 / 84°F 77% 1013 mb
Low level cloud: 60%
Mid level cloud: 11%
High level cloud: 19%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 8 / 10 mph 78 / 82°F 78% 1014 mb
Low level cloud: 60%
Mid level cloud: 6%
High level cloud: 74%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 01
Jan		01:00

ENE
ENE

 9 / 11 mph 78 / 82°F 79% 1014 mb
Low level cloud: 81%
Mid level cloud: 8%
High level cloud: 18%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 11 / 15 mph 77 / 81°F 77% 1012 mb
Low level cloud: 72%
Mid level cloud: 3%
High level cloud: 18%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 10 / 14 mph 79 / 81°F 76% 1014 mb
Low level cloud: 32%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

 11 / 13 mph 80 / 82°F 70% 1016 mb
Low level cloud: 21%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NE
NE

 11 / 13 mph 82 / 84°F 69% 1014 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

 12 / 13 mph 82 / 85°F 71% 1012 mb
Low level cloud: 10%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 14 / 16 mph 80 / 85°F 79% 1014 mb
Low level cloud: 60%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 16 / 21 mph 79 / 82°F 76% 1015 mb
Low level cloud: 58%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 02
Jan		01:00

NE
NE

 10 / 21 mph 78 / 81°F 70% 1015 mb
Low level cloud: 44%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: low
46%
0.0 In
07:00

NE
NE

 12 / 26 mph 76 / 80°F 75% 1016 mb
Low level cloud: 27%
Mid level cloud: 13%
High level cloud: 61%
Most Significant Cloud Type: low
39%
0.0 In
13:00

ESE
ESE

 11 / 24 mph 82 / 85°F 65% 1015 mb
Low level cloud: 22%
Mid level cloud: 8%
High level cloud: 3%
Most Significant Cloud Type: low
24%
0.0 In
19:00

NE
NE

 13 / 27 mph 80 / 85°F 75% 1015 mb
Low level cloud: 46%
Mid level cloud: 64%
High level cloud: 6%
Most Significant Cloud Type: low
69%
0.0 In
Fri 03
Jan		01:00

NE
NE

 9 / 18 mph 77 / 80°F 70% 1014 mb
Low level cloud: 29%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: low
46%
0.0 In
07:00

ENE
ENE

 7 / 15 mph 75 / 79°F 75% 1013 mb
Low level cloud: 41%
Mid level cloud: 45%
High level cloud: 98%
Most Significant Cloud Type: low
68%
0.0 In
13:00

ESE
ESE

 11 / 23 mph 81 / 85°F 69% 1013 mb
Low level cloud: 47%
Mid level cloud: 33%
High level cloud: 100%
Most Significant Cloud Type: low
70%
0.0 In
19:00

NNE
NNE

 14 / 30 mph 75 / 80°F 90% 1014 mb
Low level cloud: 81%
Mid level cloud: 67%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Sat 04
Jan		01:00

N
N

 15 / 31 mph 74 / 78°F 89% 1013 mb
Low level cloud: 73%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
93%
0.0 In
07:00

ENE
ENE

 10 / 21 mph 74 / 78°F 93% 1014 mb
Low level cloud: 81%
Mid level cloud: 54%
High level cloud: 94%
Most Significant Cloud Type: low
100%
0.6 In
13:00

N
N

 22 / 46 mph 78 / 81°F 74% 1015 mb
Low level cloud: 42%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
69%
0.2 In
19:00

NNE
NNE

 15 / 32 mph 76 / 80°F 91% 1015 mb
Low level cloud: 85%
Mid level cloud: 67%
High level cloud: 89%
Most Significant Cloud Type: low
100%
3.0 In
Sun 05
Jan		01:00

NNE
NNE

 27 / 56 mph 76 / 80°F 82% 1016 mb
Low level cloud: 90%
Mid level cloud: 66%
High level cloud: 38%
Most Significant Cloud Type: low
100%
0.1 In
07:00

NNE
NNE

 21 / 45 mph 76 / 80°F 81% 1017 mb
Low level cloud: 75%
Mid level cloud: 47%
High level cloud: 37%
Most Significant Cloud Type: low
95%
0.3 In
13:00

NE
NE

 28 / 60 mph 77 / 81°F 82% 1017 mb
Low level cloud: 90%
Mid level cloud: 75%
High level cloud: 42%
Most Significant Cloud Type: low
100%
0.2 In
19:00

NE
NE

 28 / 59 mph 78 / 82°F 82% 1018 mb
Low level cloud: 79%
Mid level cloud: 29%
High level cloud: 17%
Most Significant Cloud Type: low
91%
0.2 In
Mon 06
Jan		01:00

NE
NE

 26 / 55 mph 78 / 83°F 82% 1017 mb
Low level cloud: 86%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
07:00

NE
NE

 22 / 46 mph 78 / 83°F 81% 1018 mb
Low level cloud: 78%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: low
90%
0.1 In
13:00

NE
NE

 18 / 37 mph 80 / 86°F 79% 1016 mb
Low level cloud: 71%
Mid level cloud: 25%
High level cloud: 95%
Most Significant Cloud Type: low
91%
0.1 In
19:00

NE
NE

 17 / 36 mph 80 / 85°F 81% 1017 mb
Low level cloud: 78%
Mid level cloud: 24%
High level cloud: 8%
Most Significant Cloud Type: low
87%
0.1 In
Tue 07
Jan		01:00

NNE
NNE

 14 / 29 mph 79 / 84°F 81% 1016 mb
Low level cloud: 47%
Mid level cloud: 31%
High level cloud: 10%
Most Significant Cloud Type: low
58%
0.0 In
07:00

NE
NE

 20 / 42 mph 78 / 83°F 83% 1017 mb
Low level cloud: 62%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
66%
0.1 In
13:00

NE
NE

 10 / 21 mph 82 / 88°F 76% 1015 mb
Low level cloud: 14%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
18%
0.0 In
19:00

NNE
NNE

 16 / 34 mph 80 / 87°F 84% 1016 mb
Low level cloud: 63%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
66%
0.0 In
Wed 08
Jan		01:00

NNE
NNE

 7 / 15 mph 78 / 82°F 83% 1015 mb
Low level cloud: 26%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
07:00

NNE
NNE

 14 / 29 mph 78 / 83°F 84% 1015 mb
Low level cloud: 62%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
65%
0.1 In
13:00

ENE
ENE

 5 / 11 mph 82 / 88°F 73% 1015 mb
Low level cloud: 1%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
0.1 In
19:00

ENE
ENE

 6 / 14 mph 81 / 88°F 82% 1014 mb
Low level cloud: 20%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.1 In
Thu 09
Jan		01:00

E
E

 7 / 15 mph 77 / 81°F 80% 1015 mb
Low level cloud: 33%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 In
07:00

SE
SE

 4 / 9 mph 78 / 82°F 83% 1015 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.1 In
13:00

ESE
ESE

 12 / 25 mph 82 / 88°F 77% 1015 mb
Low level cloud: 19%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.1 In
19:00

E
E

 5 / 10 mph 81 / 88°F 82% 1016 mb
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
0.1 In
Fri 10
Jan		01:00

ENE
ENE

 4 / 9 mph 79 / 84°F 82% 1016 mb
Low level cloud: 14%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
17%
0.1 In
07:00

N
N

 11 / 23 mph 78 / 82°F 79% 1017 mb
Low level cloud: 0%
Mid level cloud: 34%
High level cloud: 29%
Most Significant Cloud Type: medium
35%
0.1 In
13:00

NNE
NNE

 8 / 17 mph 83 / 89°F 72% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.2 In
19:00

NE
NE

 15 / 32 mph 81 / 86°F 76% 1017 mb
Low level cloud: 17%
Mid level cloud: 16%
High level cloud: 28%
Most Significant Cloud Type: low
26%
0.1 In

Other Locations Near to Morant Point(lgt-H)

Cities and Towns: Port Antonio, Jamaica

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

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Pressure