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Playa San Juan 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Playa San Juan

Spain

Long range weather outlook for Playa San Juan includes 14 day forecast summary:

Reviewing the forecast for Playa San Juan Over the next 14 days and the average daytime maximum temperature will be around 16°C, with a high for the two weeks of 18°C expected on the afternoon of Monday 2nd. The average minimum temperature will be 11°C, dipping to its lowest on the morning of Wednesday 4th at 8°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. The current forecast indicates Wednesday 4th will have the most precipitation with an accumulation of around 7.0mm. On the whole winds are likely to be moderate. The forecast suggests the strongest wind will be on the afternoon of Wednesday 28th, coming from a westerly direction, and reaching around 44mph.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 28
Jan		19:00

WNW
WNW

 33 / 42 mph 58 / 53°F 54% 1001 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 33%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 16 / 24 mph 57 / 53°F 59% 1005 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 17%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 29
Jan		01:00

WNW
WNW

 11 / 20 mph 56 / 53°F 56% 1006 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 7 / 11 mph 56 / 55°F 65% 1006 mb
Low level cloud: 1%
Mid level cloud: 76%
High level cloud: 33%
Most Significant Cloud Type: medium
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

 4 / 6 mph 57 / 57°F 72% 1005 mb
Low level cloud: 52%
Mid level cloud: 86%
High level cloud: 3%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

 8 / 13 mph 58 / 56°F 78% 1006 mb
Low level cloud: 58%
Mid level cloud: 65%
High level cloud: 14%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 11 / 22 mph 60 / 59°F 72% 1006 mb
Low level cloud: 39%
Mid level cloud: 57%
High level cloud: 30%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 11 / 24 mph 60 / 59°F 76% 1005 mb
Low level cloud: 48%
Mid level cloud: 60%
High level cloud: 21%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 14 / 30 mph 58 / 56°F 80% 1005 mb
Low level cloud: 26%
Mid level cloud: 68%
High level cloud: 63%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 13 / 26 mph 59 / 56°F 70% 1008 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Fri 30
Jan		01:00

WNW
WNW

 14 / 26 mph 57 / 54°F 74% 1009 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
04:00

WNW
WNW

 12 / 20 mph 55 / 52°F 72% 1011 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
07:00

NW
NW

 11 / 19 mph 53 / 50°F 67% 1011 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
10:00

WNW
WNW

 8 / 11 mph 56 / 54°F 62% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 49%
Most Significant Cloud Type: high
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

 9 / 11 mph 62 / 61°F 48% 1011 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 14 / 20 mph 62 / 61°F 50% 1009 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 22%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 11 / 17 mph 58 / 55°F 65% 1008 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 15 / 27 mph 57 / 53°F 68% 1007 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 31
Jan		01:00

WNW
WNW

 36 / 55 mph 58 / 52°F 57% 1005 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
04:00

WNW
WNW

 38 / 43 mph 53 / 46°F 62% 1007 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 40 / 46 mph 51 / 43°F 56% 1010 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
10:00

NW
NW

 35 / 40 mph 52 / 45°F 57% 1014 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
13:00

NW
NW

 30 / 35 mph 57 / 52°F 47% 1014 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 41%
Most Significant Cloud Type: high
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 25 / 29 mph 59 / 54°F 45% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 92%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 20 / 28 mph 54 / 49°F 54% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 31%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 14 / 21 mph 52 / 48°F 60% 1019 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 6%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 01
Feb		01:00

WNW
WNW

 15 / 25 mph 51 / 45°F 64% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 9%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 12 / 22 mph 49 / 45°F 66% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 33%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

 10 / 20 mph 49 / 45°F 67% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 20%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

 11 / 15 mph 54 / 51°F 64% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 13%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 11 / 13 mph 64 / 63°F 58% 1015 mb
Low level cloud: 6%
Mid level cloud: 31%
High level cloud: 12%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 11 / 13 mph 64 / 63°F 61% 1013 mb
Low level cloud: 2%
Mid level cloud: 44%
High level cloud: 16%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 11 / 17 mph 57 / 55°F 70% 1012 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 7 / 11 mph 57 / 55°F 71% 1011 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 99%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 02
Feb		01:00

SW
SW

 6 / 12 mph 53 / 51°F 73% 1008 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 6 / 12 mph 52 / 50°F 73% 1004 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

 5 / 11 mph 52 / 50°F 72% 1002 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 12 / 14 mph 59 / 56°F 71% 1001 mb
Low level cloud: 0%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: medium
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 18 / 21 mph 64 / 64°F 57% 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
16:00

W
W

 20 / 23 mph 65 / 64°F 55% 1002 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 1%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 17 / 27 mph 55 / 51°F 58% 1004 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 10%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 14 / 23 mph 51 / 47°F 62% 1007 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 11%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 03
Feb		01:00

W
W

 9 / 13 mph 51 / 48°F 62% 1007 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 4 / 6 mph 50 / 49°F 62% 1007 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 20%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

 5 / 8 mph 50 / 48°F 61% 1005 mb
Low level cloud: 0%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: medium
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 5 / 6 mph 52 / 50°F 77% 1005 mb
Low level cloud: 65%
Mid level cloud: 44%
High level cloud: 39%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 9 / 10 mph 58 / 55°F 71% 1004 mb
Low level cloud: 51%
Mid level cloud: 73%
High level cloud: 68%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

 21 / 24 mph 59 / 55°F 53% 1003 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 14%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 16 / 22 mph 51 / 46°F 61% 1006 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 16 / 24 mph 49 / 44°F 61% 1007 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 04
Feb		01:00

NW
NW

 10 / 17 mph 50 / 46°F 59% 1002 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 20%
Most Significant Cloud Type: medium
7%
0.0 In
07:00

WNW
WNW

 8 / 11 mph 49 / 45°F 62% 1006 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 31%
Most Significant Cloud Type: medium
47%
0.0 In
13:00

WSW
WSW

 9 / 12 mph 57 / 55°F 49% 1011 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 11%
Most Significant Cloud Type: medium
9%
0.0 In
19:00

S
S

 11 / 13 mph 56 / 54°F 68% 1005 mb
Low level cloud: 0%
Mid level cloud: 63%
High level cloud: 100%
Most Significant Cloud Type: medium
66%
0.0 In
Thu 05
Feb		01:00

WNW
WNW

 5 / 8 mph 53 / 52°F 62% 1005 mb
Low level cloud: 6%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

WSW
WSW

 6 / 8 mph 53 / 52°F 77% 1006 mb
Low level cloud: 23%
Mid level cloud: 44%
High level cloud: 43%
Most Significant Cloud Type: low
43%
0.0 In
13:00

W
W

 24 / 32 mph 64 / 64°F 57% 1001 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
19:00

W
W

 28 / 49 mph 64 / 64°F 55% 999 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Fri 06
Feb		01:00

W
W

 25 / 40 mph 62 / 62°F 59% 1005 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
07:00

WNW
WNW

 32 / 56 mph 55 / 49°F 63% 1006 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

W
W

 28 / 39 mph 62 / 62°F 51% 1008 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
19:00

WNW
WNW

 25 / 44 mph 59 / 59°F 58% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sat 07
Feb		01:00

WNW
WNW

 18 / 26 mph 55 / 51°F 61% 1010 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
07:00

WNW
WNW

 10 / 18 mph 47 / 42°F 67% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 20%
Most Significant Cloud Type: high
19%
0.0 In
13:00

WNW
WNW

 25 / 35 mph 58 / 53°F 58% 1014 mb
Low level cloud: 0%
Mid level cloud: 40%
High level cloud: 4%
Most Significant Cloud Type: medium
40%
0.0 In
19:00

S
S

 8 / 15 mph 57 / 55°F 74% 1016 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 100%
Most Significant Cloud Type: medium
13%
0.0 In
Sun 08
Feb		01:00

WNW
WNW

 21 / 30 mph 53 / 47°F 62% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WSW
WSW

 3 / 6 mph 56 / 56°F 86% 1009 mb
Low level cloud: 12%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
16%
0.0 In
13:00

NW
NW

 28 / 40 mph 58 / 53°F 50% 1014 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
19:00

SW
SW

 8 / 15 mph 58 / 56°F 64% 1008 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 3%
Most Significant Cloud Type: medium
27%
0.1 In
Mon 09
Feb		01:00

NW
NW

 31 / 44 mph 52 / 45°F 57% 1014 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
07:00

W
W

 16 / 30 mph 48 / 42°F 65% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 32%
Most Significant Cloud Type: medium
7%
0.0 In
13:00

NNW
NNW

 3 / 5 mph 61 / 61°F 41% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
19:00

WNW
WNW

 23 / 43 mph 53 / 47°F 60% 1008 mb
Low level cloud: 2%
Mid level cloud: 16%
High level cloud: 9%
Most Significant Cloud Type: medium
22%
0.0 In
Tue 10
Feb		01:00

NW
NW

 9 / 16 mph 50 / 47°F 51% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
0.0 In
07:00

NW
NW

 18 / 34 mph 51 / 45°F 67% 1012 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 45%
Most Significant Cloud Type: medium
5%
0.0 In
13:00

SW
SW

 2 / 3 mph 62 / 62°F 45% 1014 mb
Low level cloud: 0%
Mid level cloud: 54%
High level cloud: 14%
Most Significant Cloud Type: medium
54%
0.0 In
19:00

W
W

 7 / 12 mph 57 / 56°F 57% 1011 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 39%
Most Significant Cloud Type: medium
27%
0.0 In
Wed 11
Feb		01:00

ENE
ENE

 4 / 6 mph 53 / 52°F 66% 1015 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 15%
Most Significant Cloud Type: medium
44%
0.0 In
07:00

WNW
WNW

 3 / 5 mph 54 / 54°F 73% 1006 mb
Low level cloud: 0%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: medium
79%
0.0 In
13:00

ENE
ENE

 13 / 19 mph 59 / 56°F 63% 1013 mb
Low level cloud: 0%
Mid level cloud: 80%
High level cloud: 13%
Most Significant Cloud Type: medium
80%
0.0 In
19:00

WSW
WSW

 17 / 31 mph 58 / 55°F 68% 998 mb
Low level cloud: 0%
Mid level cloud: 99%
High level cloud: 35%
Most Significant Cloud Type: medium
100%
0.1 In
Thu 12
Feb		01:00

N
N

 13 / 19 mph 47 / 42°F 82% 1016 mb
Low level cloud: 69%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: low
85%
0.0 In
07:00

W
W

 18 / 34 mph 52 / 47°F 67% 1005 mb
Low level cloud: 16%
Mid level cloud: 18%
High level cloud: 6%
Most Significant Cloud Type: low
22%
0.0 In
13:00

N
N

 5 / 8 mph 50 / 48°F 64% 1021 mb
Low level cloud: 65%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
80%
0.1 In
19:00

WNW
WNW

 18 / 33 mph 53 / 48°F 57% 1008 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 1%
Most Significant Cloud Type: medium
4%
0.0 In

Other Locations Near to Playa San Juan

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