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Avarua 14 Day Long Range Forecast

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

Cook Island

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

The outlook for Avarua in the two weeks ahead shows the average daytime maximum temperature will be around 27°C, with a high for the two weeks of 28°C expected on the afternoon of Sunday 23rd. The mean minimum temperature will be 24°C, dipping to its lowest on the morning of Sunday 16th at 23°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. Current predictions suggest Saturday 22nd will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be fresh. Expect the strongest wind on the morning of Saturday 15th, coming from a easterly direction, and reaching around 31mph.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 14
Nov		02:00

ESE
ESE

 16 / 19 mph 78 / 81°F 73% 1014 mb
Low level cloud: 53%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

SE
SE

 20 / 26 mph 76 / 80°F 75% 1014 mb
Low level cloud: 60%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SE
SE

 19 / 22 mph 79 / 81°F 75% 1015 mb
Low level cloud: 60%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

 19 / 23 mph 82 / 86°F 76% 1015 mb
Low level cloud: 68%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

 20 / 24 mph 84 / 90°F 77% 1014 mb
Low level cloud: 69%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ESE
ESE

 24 / 28 mph 83 / 89°F 78% 1013 mb
Low level cloud: 74%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

E
E

 26 / 32 mph 80 / 85°F 78% 1015 mb
Low level cloud: 80%
Mid level cloud: 15%
High level cloud: 3%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

E
E

 28 / 36 mph 79 / 83°F 78% 1016 mb
Low level cloud: 80%
Mid level cloud: 32%
High level cloud: 8%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 15
Nov		17:00

ESE
ESE

 26 / 30 mph 81 / 84°F 70% 1016 mb
Low level cloud: 82%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

E
E

 28 / 32 mph 79 / 82°F 69% 1017 mb
Low level cloud: 64%
Mid level cloud: 0%
High level cloud: 54%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

E
E

 27 / 31 mph 77 / 80°F 66% 1017 mb
Low level cloud: 78%
Mid level cloud: 0%
High level cloud: 37%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 16
Nov		02:00

E
E

 25 / 34 mph 75 / 78°F 69% 1016 mb
Low level cloud: 78%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

E
E

 24 / 38 mph 74 / 77°F 68% 1016 mb
Low level cloud: 59%
Mid level cloud: 7%
High level cloud: 7%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

E
E

 24 / 39 mph 76 / 78°F 64% 1017 mb
Low level cloud: 72%
Mid level cloud: 4%
High level cloud: 2%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

E
E

 26 / 33 mph 77 / 79°F 72% 1017 mb
Low level cloud: 73%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

E
E

 25 / 30 mph 78 / 80°F 73% 1016 mb
Low level cloud: 80%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

E
E

 25 / 34 mph 78 / 80°F 69% 1015 mb
Low level cloud: 46%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

E
E

 26 / 39 mph 76 / 79°F 74% 1017 mb
Low level cloud: 81%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

E
E

 25 / 39 mph 75 / 78°F 72% 1018 mb
Low level cloud: 46%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 17
Nov		02:00

E
E

 25 / 34 mph 76 / 79°F 71% 1017 mb
Low level cloud: 50%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

ESE
ESE

 24 / 34 mph 76 / 79°F 72% 1017 mb
Low level cloud: 44%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

E
E

 26 / 31 mph 77 / 80°F 76% 1018 mb
Low level cloud: 75%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

E
E

 24 / 30 mph 80 / 82°F 74% 1018 mb
Low level cloud: 60%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

E
E

 23 / 26 mph 81 / 84°F 71% 1017 mb
Low level cloud: 46%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ESE
ESE

 23 / 26 mph 81 / 83°F 72% 1017 mb
Low level cloud: 44%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ESE
ESE

 25 / 29 mph 78 / 82°F 74% 1018 mb
Low level cloud: 63%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

ESE
ESE

 22 / 27 mph 77 / 81°F 75% 1019 mb
Low level cloud: 69%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 18
Nov		02:00

ESE
ESE

 23 / 30 mph 76 / 80°F 76% 1016 mb
Low level cloud: 66%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

E
E

 22 / 32 mph 76 / 79°F 76% 1016 mb
Low level cloud: 77%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ESE
ESE

 24 / 30 mph 78 / 80°F 76% 1018 mb
Low level cloud: 57%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

E
E

 24 / 32 mph 79 / 81°F 74% 1018 mb
Low level cloud: 63%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

 25 / 32 mph 80 / 82°F 74% 1017 mb
Low level cloud: 62%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ESE
ESE

 25 / 31 mph 80 / 82°F 74% 1016 mb
Low level cloud: 55%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ESE
ESE

 25 / 31 mph 78 / 81°F 75% 1018 mb
Low level cloud: 61%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

ESE
ESE

 26 / 33 mph 77 / 80°F 75% 1018 mb
Low level cloud: 66%
Mid level cloud: 6%
High level cloud: 12%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 19
Nov		02:00

ESE
ESE

 26 / 34 mph 76 / 79°F 73% 1017 mb
Low level cloud: 89%
Mid level cloud: 12%
High level cloud: 32%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

ESE
ESE

 26 / 35 mph 75 / 78°F 71% 1017 mb
Low level cloud: 74%
Mid level cloud: 13%
High level cloud: 94%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ESE
ESE

 27 / 35 mph 77 / 79°F 71% 1018 mb
Low level cloud: 71%
Mid level cloud: 20%
High level cloud: 9%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

 28 / 34 mph 79 / 81°F 71% 1018 mb
Low level cloud: 64%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

 26 / 30 mph 80 / 82°F 66% 1016 mb
Low level cloud: 62%
Mid level cloud: 1%
High level cloud: 5%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ESE
ESE

 26 / 30 mph 80 / 81°F 66% 1015 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ESE
ESE

 27 / 32 mph 77 / 80°F 70% 1017 mb
Low level cloud: 51%
Mid level cloud: 20%
High level cloud: 12%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

ESE
ESE

 28 / 33 mph 77 / 79°F 69% 1018 mb
Low level cloud: 58%
Mid level cloud: 15%
High level cloud: 2%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 20
Nov		02:00

ESE
ESE

 26 / 33 mph 75 / 78°F 62% 1016 mb
Low level cloud: 11%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

ESE
ESE

 26 / 34 mph 75 / 78°F 61% 1015 mb
Low level cloud: 54%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ESE
ESE

 23 / 29 mph 77 / 78°F 60% 1017 mb
Low level cloud: 73%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

 22 / 26 mph 78 / 79°F 57% 1016 mb
Low level cloud: 40%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

 23 / 27 mph 79 / 80°F 60% 1015 mb
Low level cloud: 33%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ESE
ESE

 24 / 27 mph 79 / 80°F 62% 1014 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ESE
ESE

 24 / 28 mph 76 / 79°F 62% 1015 mb
Low level cloud: 28%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

ESE
ESE

 23 / 30 mph 76 / 78°F 61% 1016 mb
Low level cloud: 25%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 21
Nov		02:00

E
E

 21 / 45 mph 76 / 79°F 76% 1011 mb
Low level cloud: 72%
Mid level cloud: 43%
High level cloud: 16%
Most Significant Cloud Type: low
88%
0.0 In
08:00

ESE
ESE

 28 / 59 mph 78 / 81°F 72% 1014 mb
Low level cloud: 64%
Mid level cloud: 23%
High level cloud: 11%
Most Significant Cloud Type: low
72%
0.0 In
14:00

ESE
ESE

 27 / 56 mph 79 / 81°F 67% 1011 mb
Low level cloud: 28%
Mid level cloud: 44%
High level cloud: 74%
Most Significant Cloud Type: low
52%
0.0 In
20:00

ESE
ESE

 26 / 55 mph 78 / 81°F 67% 1011 mb
Low level cloud: 23%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: low
40%
0.0 In
Sat 22
Nov		02:00

E
E

 20 / 42 mph 77 / 79°F 66% 1011 mb
Low level cloud: 32%
Mid level cloud: 4%
High level cloud: 21%
Most Significant Cloud Type: low
36%
0.0 In
08:00

SE
SE

 27 / 57 mph 77 / 80°F 76% 1008 mb
Low level cloud: 81%
Mid level cloud: 31%
High level cloud: 84%
Most Significant Cloud Type: low
100%
0.0 In
14:00

ESE
ESE

 24 / 50 mph 79 / 82°F 66% 1011 mb
Low level cloud: 41%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.0 In
20:00

ESE
ESE

 26 / 53 mph 78 / 82°F 76% 1012 mb
Low level cloud: 65%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.0 In
Sun 23
Nov		02:00

ESE
ESE

 24 / 50 mph 77 / 80°F 76% 1011 mb
Low level cloud: 70%
Mid level cloud: 20%
High level cloud: 17%
Most Significant Cloud Type: low
79%
0.0 In
08:00

E
E

 25 / 53 mph 78 / 81°F 74% 1013 mb
Low level cloud: 54%
Mid level cloud: 4%
High level cloud: 12%
Most Significant Cloud Type: low
56%
0.1 In
14:00

E
E

 23 / 49 mph 81 / 86°F 78% 1011 mb
Low level cloud: 76%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.1 In
20:00

E
E

 23 / 49 mph 79 / 83°F 77% 1014 mb
Low level cloud: 66%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
68%
0.0 In
Mon 24
Nov		02:00

E
E

 25 / 52 mph 77 / 81°F 81% 1011 mb
Low level cloud: 74%
Mid level cloud: 12%
High level cloud: 4%
Most Significant Cloud Type: low
78%
0.2 In
08:00

ESE
ESE

 24 / 51 mph 78 / 82°F 80% 1014 mb
Low level cloud: 33%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.1 In
14:00

E
E

 23 / 49 mph 80 / 86°F 79% 1011 mb
Low level cloud: 73%
Mid level cloud: 21%
High level cloud: 33%
Most Significant Cloud Type: low
84%
0.1 In
20:00

ESE
ESE

 22 / 46 mph 81 / 88°F 82% 1013 mb
Low level cloud: 70%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
73%
0.1 In
Tue 25
Nov		02:00

E
E

 21 / 45 mph 78 / 83°F 83% 1011 mb
Low level cloud: 81%
Mid level cloud: 45%
High level cloud: 40%
Most Significant Cloud Type: low
100%
0.0 In
08:00

E
E

 17 / 36 mph 78 / 83°F 83% 1013 mb
Low level cloud: 68%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.0 In
14:00

E
E

 20 / 41 mph 82 / 90°F 82% 1010 mb
Low level cloud: 77%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.2 In
20:00

ENE
ENE

 14 / 29 mph 80 / 86°F 81% 1012 mb
Low level cloud: 61%
Mid level cloud: 20%
High level cloud: 12%
Most Significant Cloud Type: low
69%
0.0 In
Wed 26
Nov		02:00

E
E

 17 / 36 mph 78 / 83°F 87% 1010 mb
Low level cloud: 85%
Mid level cloud: 83%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.5 In
08:00

ENE
ENE

 9 / 19 mph 79 / 83°F 79% 1012 mb
Low level cloud: 60%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.1 In
14:00

E
E

 18 / 38 mph 82 / 91°F 85% 1008 mb
Low level cloud: 71%
Mid level cloud: 51%
High level cloud: 6%
Most Significant Cloud Type: low
89%
0.3 In
20:00

ENE
ENE

 8 / 17 mph 81 / 87°F 78% 1011 mb
Low level cloud: 25%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.2 In
Thu 27
Nov		02:00

E
E

 20 / 41 mph 78 / 83°F 85% 1007 mb
Low level cloud: 79%
Mid level cloud: 43%
High level cloud: 11%
Most Significant Cloud Type: low
95%
0.3 In
08:00

ENE
ENE

 6 / 12 mph 78 / 83°F 78% 1011 mb
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 4%
Most Significant Cloud Type: medium
21%
0.1 In
14:00

ESE
ESE

 24 / 51 mph 82 / 90°F 83% 1007 mb
Low level cloud: 74%
Mid level cloud: 49%
High level cloud: 8%
Most Significant Cloud Type: low
92%
0.2 In
20:00

ENE
ENE

 5 / 11 mph 81 / 86°F 75% 1010 mb
Low level cloud: 26%
Mid level cloud: 22%
High level cloud: 32%
Most Significant Cloud Type: low
37%
0.0 In
Fri 28
Nov		02:00

SE
SE

 26 / 56 mph 78 / 82°F 79% 1007 mb
Low level cloud: 95%
Mid level cloud: 26%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.1 In
08:00

ENE
ENE

 7 / 14 mph 77 / 80°F 80% 1010 mb
Low level cloud: 8%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
50%
0.2 In
14:00

SE
SE

 27 / 56 mph 81 / 87°F 79% 1008 mb
Low level cloud: 84%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
95%
0.1 In
20:00

E
E

 8 / 16 mph 79 / 83°F 80% 1010 mb
Low level cloud: 16%
Mid level cloud: 27%
High level cloud: 4%
Most Significant Cloud Type: low
25%
0.2 In
Sat 29
Nov		02:00

SE
SE

 23 / 49 mph 77 / 80°F 71% 1009 mb
Low level cloud: 58%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: low
60%
0.0 In
08:00

E
E

 10 / 20 mph 77 / 81°F 78% 1010 mb
Low level cloud: 41%
Mid level cloud: 36%
High level cloud: 15%
Most Significant Cloud Type: low
55%
0.2 In
14:00

SE
SE

 22 / 45 mph 80 / 83°F 67% 1010 mb
Low level cloud: 40%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
20:00

ENE
ENE

 9 / 19 mph 81 / 86°F 78% 1009 mb
Low level cloud: 28%
Mid level cloud: 37%
High level cloud: 33%
Most Significant Cloud Type: low
45%
0.2 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