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Porthhallow 14 Day Long Range Forecast

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

Cornwall, United Kingdom

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

The outlook for Porthhallow in the two weeks ahead shows the average daytime maximum temperature will be around 17°C, with a high for the two weeks of 18°C expected on the afternoon of Tuesday 20th. The mean minimum temperature will be 12°C, dipping to its lowest on the morning of Saturday 17th at 10°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. The current forecast indicates Wednesday 21st will have the most precipitation with an accumulation of around 8.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 12
May		15:00

ESE
ESE

 12 / 14 mph 60 / 59°F 82% 1010 mb
Low level cloud: 17%
Mid level cloud: 14%
High level cloud: 11%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 13 / 15 mph 59 / 55°F 87% 1010 mb
Low level cloud: 8%
Mid level cloud: 11%
High level cloud: 79%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 14 / 19 mph 56 / 53°F 91% 1011 mb
Low level cloud: 17%
Mid level cloud: 9%
High level cloud: 8%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 13
May		00:00

ENE
ENE

 17 / 26 mph 54 / 50°F 91% 1011 mb
Low level cloud: 27%
Mid level cloud: 23%
High level cloud: 4%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

E
E

 18 / 29 mph 54 / 49°F 95% 1012 mb
Low level cloud: 63%
Mid level cloud: 6%
High level cloud: 6%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

 17 / 29 mph 54 / 48°F 94% 1014 mb
Low level cloud: 64%
Mid level cloud: 6%
High level cloud: 3%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ESE
ESE

 19 / 29 mph 55 / 50°F 88% 1015 mb
Low level cloud: 85%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ESE
ESE

 18 / 22 mph 57 / 52°F 86% 1016 mb
Low level cloud: 81%
Mid level cloud: 5%
High level cloud: 16%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 16 / 19 mph 58 / 54°F 85% 1017 mb
Low level cloud: 12%
Mid level cloud: 11%
High level cloud: 31%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 13 / 19 mph 57 / 53°F 88% 1017 mb
Low level cloud: 7%
Mid level cloud: 12%
High level cloud: 21%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 9 / 15 mph 56 / 54°F 90% 1018 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 36%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 14
May		00:00

E
E

 8 / 15 mph 54 / 51°F 89% 1018 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 13%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 8 / 17 mph 52 / 49°F 88% 1018 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 9%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 9 / 15 mph 54 / 50°F 90% 1019 mb
Low level cloud: 9%
Mid level cloud: 46%
High level cloud: 18%
Most Significant Cloud Type: medium
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 11 / 13 mph 59 / 56°F 74% 1020 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 14%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 10 / 12 mph 62 / 61°F 71% 1021 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 7 / 9 mph 63 / 61°F 74% 1020 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 5 / 6 mph 63 / 61°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 3%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 4 / 8 mph 57 / 57°F 82% 1022 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 2%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 15
May		00:00

NE
NE

 4 / 9 mph 55 / 54°F 85% 1023 mb
Low level cloud: 4%
Mid level cloud: 2%
High level cloud: 6%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 6 / 12 mph 54 / 53°F 88% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 6 / 10 mph 55 / 53°F 89% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 7 / 9 mph 59 / 57°F 78% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 5 / 6 mph 62 / 60°F 71% 1025 mb
Low level cloud: 4%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 5 / 7 mph 62 / 60°F 72% 1025 mb
Low level cloud: 31%
Mid level cloud: 6%
High level cloud: 9%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 11 / 15 mph 59 / 57°F 81% 1025 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
21:00

NNW
NNW

 8 / 15 mph 54 / 52°F 90% 1026 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
Fri 16
May		00:00

N
N

 6 / 12 mph 54 / 52°F 86% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: high
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

 7 / 13 mph 54 / 52°F 87% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

 10 / 17 mph 53 / 49°F 88% 1026 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 12 / 16 mph 55 / 51°F 78% 1026 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
12:00

E
E

 12 / 14 mph 58 / 55°F 76% 1027 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 11 / 13 mph 61 / 59°F 66% 1027 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 6 / 7 mph 61 / 59°F 73% 1027 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

ENE
ENE

 6 / 9 mph 59 / 57°F 77% 1027 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
Sat 17
May		00:00

NE
NE

 7 / 11 mph 55 / 53°F 81% 1027 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
03:00

ENE
ENE

 7 / 15 mph 50 / 48°F 79% 1027 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
06:00

ENE
ENE

 8 / 17 mph 53 / 49°F 79% 1027 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
09:00

E
E

 10 / 11 mph 61 / 60°F 73% 1028 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
12:00

E
E

 7 / 8 mph 65 / 62°F 71% 1028 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
15:00

E
E

 6 / 6 mph 65 / 62°F 69% 1027 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
18:00

NE
NE

 2 / 2 mph 64 / 62°F 72% 1027 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

N
N

 6 / 10 mph 60 / 58°F 83% 1027 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
Sun 18
May		00:00

NE
NE

 8 / 16 mph 55 / 53°F 78% 1027 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
03:00

ENE
ENE

 8 / 15 mph 55 / 53°F 78% 1027 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
06:00

ENE
ENE

 8 / 16 mph 54 / 50°F 80% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 10 / 16 mph 56 / 53°F 67% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 8 / 10 mph 60 / 60°F 65% 1026 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
15:00

ESE
ESE

 6 / 7 mph 65 / 62°F 65% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 50%
Most Significant Cloud Type: high
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ESE
ESE

 3 / 3 mph 64 / 62°F 70% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 18%
Most Significant Cloud Type: high
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

 4 / 6 mph 60 / 58°F 70% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: high
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 19
May		00:00

NE
NE

 5 / 8 mph 57 / 57°F 76% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

SW
SW

 14 / 25 mph 56 / 52°F 94% 1024 mb
Low level cloud: 61%
Mid level cloud: 25%
High level cloud: 13%
Most Significant Cloud Type: low
70%
0.0 In
12:00

E
E

 5 / 10 mph 63 / 63°F 67% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

SSW
SSW

 6 / 10 mph 63 / 63°F 77% 1023 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 35%
Most Significant Cloud Type: medium
18%
0.0 In
Tue 20
May		00:00

NE
NE

 15 / 23 mph 55 / 51°F 88% 1016 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: low
7%
0.0 In
06:00

E
E

 6 / 9 mph 57 / 56°F 89% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

ESE
ESE

 7 / 11 mph 59 / 58°F 95% 1009 mb
Low level cloud: 90%
Mid level cloud: 38%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
18:00

ESE
ESE

 17 / 24 mph 61 / 61°F 85% 1015 mb
Low level cloud: 3%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: medium
76%
0.0 In
Wed 21
May		00:00

W
W

 15 / 24 mph 55 / 51°F 94% 1013 mb
Low level cloud: 74%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
92%
0.0 In
06:00

E
E

 11 / 17 mph 55 / 52°F 95% 1014 mb
Low level cloud: 88%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
12:00

SW
SW

 11 / 18 mph 59 / 59°F 79% 1014 mb
Low level cloud: 4%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: medium
83%
0.0 In
18:00

NNE
NNE

 3 / 4 mph 60 / 60°F 95% 1015 mb
Low level cloud: 71%
Mid level cloud: 88%
High level cloud: 77%
Most Significant Cloud Type: low
100%
0.2 In
Thu 22
May		00:00

SSW
SSW

 13 / 22 mph 53 / 49°F 92% 1010 mb
Low level cloud: 49%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
93%
0.0 In
06:00

E
E

 10 / 18 mph 54 / 51°F 98% 1017 mb
Low level cloud: 95%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
12:00

SSW
SSW

 16 / 31 mph 57 / 53°F 77% 1008 mb
Low level cloud: 7%
Mid level cloud: 45%
High level cloud: 72%
Most Significant Cloud Type: medium
66%
0.2 In
18:00

NNW
NNW

 1 / 2 mph 66 / 66°F 72% 1019 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
Fri 23
May		00:00

WSW
WSW

 11 / 23 mph 51 / 47°F 90% 1006 mb
Low level cloud: 52%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
56%
0.2 In
06:00

E
E

 4 / 6 mph 59 / 59°F 80% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
11%
0.0 In
12:00

SSW
SSW

 6 / 13 mph 59 / 58°F 76% 1008 mb
Low level cloud: 8%
Mid level cloud: 3%
High level cloud: 66%
Most Significant Cloud Type: medium
26%
0.0 In
18:00

ESE
ESE

 3 / 4 mph 64 / 64°F 79% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 42%
Most Significant Cloud Type: high
41%
0.0 In
Sat 24
May		00:00

SE
SE

 13 / 26 mph 54 / 50°F 92% 1008 mb
Low level cloud: 94%
Mid level cloud: 94%
High level cloud: 70%
Most Significant Cloud Type: low
100%
0.1 In
06:00

N
N

 3 / 5 mph 60 / 60°F 82% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: high
13%
0.0 In
12:00

SSE
SSE

 17 / 35 mph 60 / 60°F 96% 1006 mb
Low level cloud: 75%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
18:00

NW
NW

 10 / 16 mph 61 / 61°F 78% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 6%
Most Significant Cloud Type: medium
9%
0.0 In
Sun 25
May		00:00

SSE
SSE

 10 / 22 mph 57 / 54°F 97% 1005 mb
Low level cloud: 67%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
89%
0.2 In
06:00

NNW
NNW

 13 / 21 mph 53 / 49°F 89% 1015 mb
Low level cloud: 18%
Mid level cloud: 7%
High level cloud: 13%
Most Significant Cloud Type: low
22%
0.0 In
12:00

SSE
SSE

 15 / 31 mph 59 / 59°F 91% 1005 mb
Low level cloud: 17%
Mid level cloud: 19%
High level cloud: 6%
Most Significant Cloud Type: low
24%
0.0 In
18:00

NNW
NNW

 15 / 24 mph 57 / 54°F 73% 1018 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 29%
Most Significant Cloud Type: medium
14%
0.0 In
Mon 26
May		00:00

SSE
SSE

 11 / 24 mph 56 / 54°F 95% 1006 mb
Low level cloud: 51%
Mid level cloud: 13%
High level cloud: 5%
Most Significant Cloud Type: low
56%
0.0 In
06:00

WNW
WNW

 6 / 9 mph 56 / 55°F 87% 1018 mb
Low level cloud: 2%
Mid level cloud: 13%
High level cloud: 41%
Most Significant Cloud Type: medium
20%
0.0 In
12:00

S
S

 20 / 43 mph 59 / 55°F 91% 1007 mb
Low level cloud: 73%
Mid level cloud: 38%
High level cloud: 17%
Most Significant Cloud Type: low
88%
0.0 In
18:00

W
W

 16 / 26 mph 58 / 55°F 83% 1016 mb
Low level cloud: 6%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
47%
0.0 In
Tue 27
May		00:00

S
S

 20 / 43 mph 56 / 51°F 93% 1007 mb
Low level cloud: 96%
Mid level cloud: 44%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.1 In
06:00

NW
NW

 17 / 29 mph 52 / 47°F 85% 1015 mb
Low level cloud: 49%
Mid level cloud: 16%
High level cloud: 10%
Most Significant Cloud Type: low
55%
0.0 In
12:00

SSW
SSW

 17 / 35 mph 58 / 55°F 89% 1009 mb
Low level cloud: 42%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.1 In
18:00

WNW
WNW

 13 / 22 mph 56 / 53°F 74% 1016 mb
Low level cloud: 30%
Mid level cloud: 8%
High level cloud: 35%
Most Significant Cloud Type: low
36%
0.0 In

Other Locations Near to Porthhallow

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