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Olympia Heights 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Olympia Heights

Florida, United States Of America

Long range weather outlook for Olympia Heights includes 14 day forecast summary:

The next 14 day outlook for Olympia Heights shows the average daytime maximum temperature will be around 33°C, with a high for the two weeks of 36°C expected on the afternoon of Monday 20th. The average minimum temperature will be 27°C, dipping to its lowest on the morning of Wednesday 22nd at 23°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. It looks like Tuesday 21st will have the most precipitation with an accumulation of around 18.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 18
May		16:00

SSE
SSE

 17 / 20 mph 95 / 104°F 50% 1013 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 11 / 13 mph 93 / 104°F 61% 1014 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
22:00

S
S

 10 / 11 mph 89 / 101°F 70% 1015 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
Sun 19
May		01:00

S
S

 11 / 13 mph 85 / 93°F 71% 1014 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
04:00

SSW
SSW

 6 / 9 mph 84 / 90°F 72% 1014 mb
Low level cloud: 7%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 8 / 10 mph 87 / 90°F 68% 1015 mb
Low level cloud: 6%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 6 / 7 mph 94 / 97°F 50% 1015 mb
Low level cloud: 37%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

 10 / 12 mph 91 / 98°F 53% 1014 mb
Low level cloud: 7%
Mid level cloud: 57%
High level cloud: 0%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

 16 / 19 mph 92 / 98°F 53% 1011 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 0%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 11 / 13 mph 92 / 98°F 54% 1012 mb
Low level cloud: 0%
Mid level cloud: 6%
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

WSW
WSW

 5 / 6 mph 89 / 99°F 64% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 15%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		01:00

NNW
NNW

 2 / 3 mph 85 / 92°F 68% 1013 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 3%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 4 / 5 mph 82 / 88°F 71% 1012 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
07:00

W
W

 4 / 6 mph 85 / 86°F 66% 1013 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
10:00

WSW
WSW

 7 / 8 mph 92 / 93°F 45% 1013 mb
Low level cloud: 3%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 6 / 7 mph 97 / 99°F 39% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 17 / 20 mph 96 / 98°F 32% 1009 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

 4 / 4 mph 92 / 95°F 52% 1010 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 5 / 6 mph 87 / 94°F 60% 1012 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
Tue 21
May		01:00

NNE
NNE

 10 / 12 mph 82 / 87°F 70% 1011 mb
Low level cloud: 1%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

 10 / 12 mph 80 / 84°F 70% 1011 mb
Low level cloud: 4%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 9 / 11 mph 83 / 84°F 66% 1012 mb
Low level cloud: 9%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

 9 / 10 mph 88 / 89°F 53% 1013 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
13:00

E
E

 12 / 13 mph 90 / 92°F 48% 1012 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
16:00

ESE
ESE

 10 / 12 mph 88 / 91°F 54% 1011 mb
Low level cloud: 6%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ESE
ESE

 9 / 12 mph 86 / 88°F 62% 1012 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

NW
NW

 5 / 9 mph 80 / 82°F 63% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 50%
Most Significant Cloud Type: medium
6%
Expect 0.6 In of precipitation over the past 3 hours.
0.6 In
Wed 22
May		01:00

ESE
ESE

 4 / 5 mph 78 / 80°F 55% 1013 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
04:00

ENE
ENE

 3 / 5 mph 78 / 80°F 59% 1013 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

ENE
ENE

 3 / 4 mph 83 / 83°F 59% 1015 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
10:00

E
E

 5 / 6 mph 89 / 89°F 52% 1015 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
13:00

E
E

 11 / 12 mph 90 / 92°F 49% 1014 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

 13 / 15 mph 88 / 92°F 56% 1012 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
19:00

E
E

 8 / 11 mph 86 / 88°F 64% 1014 mb
Low level cloud: 6%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
36%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

E
E

 10 / 12 mph 82 / 86°F 66% 1015 mb
Low level cloud: 15%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May		01:00

ESE
ESE

 7 / 9 mph 81 / 85°F 67% 1015 mb
Low level cloud: 9%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

 3 / 4 mph 80 / 83°F 67% 1014 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
07:00

ENE
ENE

 5 / 7 mph 85 / 84°F 63% 1015 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
10:00

E
E

 6 / 7 mph 89 / 89°F 52% 1016 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
13:00

E
E

 12 / 13 mph 89 / 92°F 50% 1015 mb
Low level cloud: 1%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

 13 / 15 mph 87 / 90°F 59% 1014 mb
Low level cloud: 13%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ESE
ESE

 7 / 9 mph 86 / 87°F 63% 1014 mb
Low level cloud: 1%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

 7 / 9 mph 82 / 85°F 61% 1015 mb
Low level cloud: 1%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May		01:00

E
E

 6 / 8 mph 81 / 84°F 61% 1014 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 4 / 5 mph 80 / 83°F 65% 1013 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
07:00

ENE
ENE

 3 / 4 mph 83 / 83°F 62% 1014 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
10:00

NE
NE

 5 / 5 mph 89 / 88°F 48% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

 8 / 9 mph 91 / 92°F 46% 1013 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
16:00

E
E

 14 / 16 mph 89 / 92°F 51% 1012 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
19:00

SE
SE

 8 / 9 mph 87 / 87°F 57% 1014 mb
Low level cloud: 34%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

 6 / 8 mph 82 / 85°F 56% 1014 mb
Low level cloud: 32%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 25
May		01:00

SE
SE

 7 / 14 mph 89 / 97°F 60% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
0.0 In
07:00

SSE
SSE

 5 / 9 mph 85 / 91°F 67% 1014 mb
Low level cloud: 40%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
13:00

E
E

 13 / 28 mph 87 / 88°F 40% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

ENE
ENE

 14 / 30 mph 86 / 90°F 55% 1016 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: medium
3%
0.0 In
Sun 26
May		01:00

E
E

 12 / 26 mph 82 / 86°F 63% 1017 mb
Low level cloud: 31%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: low
36%
0.0 In
07:00

S
S

 6 / 12 mph 87 / 96°F 66% 1016 mb
Low level cloud: 20%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.0 In
13:00

ESE
ESE

 11 / 23 mph 92 / 96°F 43% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

S
S

 11 / 23 mph 92 / 108°F 63% 1015 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
Mon 27
May		01:00

SE
SE

 6 / 13 mph 88 / 99°F 66% 1016 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.0 In
07:00

S
S

 5 / 11 mph 88 / 97°F 64% 1017 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.1 In
13:00

ESE
ESE

 12 / 26 mph 91 / 97°F 47% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

NNW
NNW

 3 / 6 mph 95 / 115°F 62% 1017 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 30%
Most Significant Cloud Type: medium
18%
0.0 In
Tue 28
May		01:00

SE
SE

 9 / 19 mph 85 / 93°F 70% 1016 mb
Low level cloud: 16%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
17%
0.0 In
07:00

S
S

 6 / 13 mph 87 / 98°F 68% 1017 mb
Low level cloud: 12%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
13:00

SE
SE

 10 / 21 mph 93 / 99°F 46% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

SSE
SSE

 10 / 20 mph 89 / 99°F 61% 1016 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
0.0 In
Wed 29
May		01:00

S
S

 9 / 19 mph 86 / 92°F 65% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
07:00

SE
SE

 4 / 7 mph 90 / 103°F 67% 1017 mb
Low level cloud: 9%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
13:00

SSE
SSE

 9 / 18 mph 96 / 104°F 42% 1015 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
0.0 In
19:00

SE
SE

 6 / 12 mph 93 / 105°F 54% 1017 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
Thu 30
May		01:00

WNW
WNW

 8 / 16 mph 88 / 98°F 69% 1015 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
07:00

SE
SE

 8 / 17 mph 87 / 97°F 68% 1018 mb
Low level cloud: 18%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.0 In
13:00

SSE
SSE

 5 / 11 mph 95 / 104°F 44% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: medium
46%
0.0 In
19:00

ESE
ESE

 13 / 27 mph 86 / 92°F 60% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
Fri 31
May		01:00

WNW
WNW

 12 / 25 mph 80 / 81°F 52% 1017 mb
Low level cloud: 0%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: medium
34%
0.0 In
07:00

SE
SE

 9 / 18 mph 85 / 92°F 68% 1020 mb
Low level cloud: 73%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
73%
0.0 In
13:00

W
W

 9 / 18 mph 96 / 96°F 29% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
19:00

SE
SE

 12 / 25 mph 87 / 94°F 59% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
Sat 01
Jun		01:00

W
W

 11 / 23 mph 80 / 82°F 51% 1015 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
07:00

SSW
SSW

 3 / 6 mph 90 / 108°F 73% 1018 mb
Low level cloud: 23%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.0 In
13:00

ENE
ENE

 16 / 34 mph 89 / 93°F 47% 1014 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.0 In
19:00

SSE
SSE

 12 / 24 mph 89 / 98°F 60% 1015 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
Sun 02
Jun		01:00

ENE
ENE

 16 / 33 mph 75 / 78°F 76% 1016 mb
Low level cloud: 30%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
49%
0.8 In
07:00

SSW
SSW

 5 / 10 mph 89 / 102°F 71% 1017 mb
Low level cloud: 18%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.2 In
13:00

ENE
ENE

 19 / 39 mph 86 / 86°F 39% 1016 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
0.0 In
19:00

SSE
SSE

 10 / 20 mph 90 / 102°F 67% 1014 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
0.1 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