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Aurora 14 Day Long Range Forecast

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

Missouri, United States Of America

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

Reviewing the forecast for Aurora Over the next 14 days and the average daytime maximum temperature will be around 26°C, with a high for the two weeks of 31°C expected on the afternoon of Sunday 19th. The average minimum temperature will be 16°C, dipping to its lowest on the morning of Thursday 23rd at 8°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. Current predictions suggest Monday 27th 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
Fri 17
May		15:00

WSW
WSW

 2 / 2 mph 78 / 78°F 62% 1007 mb
Low level cloud: 33%
Mid level cloud: 10%
High level cloud: 9%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

 3 / 4 mph 77 / 78°F 79% 1006 mb
Low level cloud: 5%
Mid level cloud: 11%
High level cloud: 8%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 5 / 11 mph 65 / 65°F 90% 1008 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
Sat 18
May		00:00

SSE
SSE

 6 / 12 mph 63 / 63°F 91% 1008 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
03:00

SSE
SSE

 6 / 12 mph 61 / 61°F 92% 1008 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
06:00

S
S

 4 / 9 mph 60 / 60°F 92% 1010 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
09:00

WSW
WSW

 4 / 5 mph 73 / 76°F 75% 1011 mb
Low level cloud: 2%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

 4 / 5 mph 79 / 79°F 64% 1011 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
15:00

WNW
WNW

 4 / 5 mph 81 / 81°F 58% 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
18:00

N
N

 4 / 5 mph 81 / 83°F 76% 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
21:00

E
E

 3 / 6 mph 71 / 71°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		00:00

SSE
SSE

 4 / 8 mph 67 / 67°F 85% 1014 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
03:00

SSE
SSE

 5 / 10 mph 64 / 64°F 87% 1014 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
06:00

SE
SE

 7 / 15 mph 63 / 63°F 92% 1015 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
09:00

SSE
SSE

 11 / 14 mph 76 / 78°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 10 / 12 mph 84 / 85°F 53% 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
15:00

SSW
SSW

 7 / 10 mph 88 / 90°F 56% 1011 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 2%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

 10 / 21 mph 80 / 81°F 73% 1009 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 8 / 17 mph 71 / 71°F 73% 1011 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 99%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		00:00

SSW
SSW

 8 / 17 mph 70 / 70°F 75% 1012 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 96%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 11 / 22 mph 67 / 67°F 85% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 99%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 8 / 16 mph 62 / 62°F 95% 1013 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

S
S

 18 / 37 mph 67 / 66°F 85% 1009 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 9%
Most Significant Cloud Type: medium
46%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

S
S

 15 / 19 mph 85 / 88°F 64% 1009 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 13 / 19 mph 86 / 90°F 66% 1007 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

 10 / 20 mph 81 / 84°F 76% 1007 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 10 / 21 mph 73 / 77°F 76% 1008 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 20%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		00:00

SSE
SSE

 13 / 25 mph 71 / 71°F 78% 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
03:00

S
S

 12 / 24 mph 68 / 68°F 85% 1006 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 15 / 28 mph 71 / 71°F 79% 1006 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
09:00

S
S

 21 / 29 mph 78 / 80°F 73% 1005 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
12:00

SSW
SSW

 20 / 27 mph 82 / 84°F 65% 1005 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
15:00

SSW
SSW

 19 / 28 mph 84 / 88°F 68% 1003 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 22 / 38 mph 79 / 81°F 79% 1003 mb
Low level cloud: 9%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 20 / 33 mph 76 / 79°F 76% 1003 mb
Low level cloud: 3%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		00:00

SSW
SSW

 15 / 28 mph 73 / 77°F 90% 1003 mb
Low level cloud: 8%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

SSW
SSW

 7 / 13 mph 70 / 70°F 95% 1004 mb
Low level cloud: 76%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
76%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

SSW
SSW

 14 / 23 mph 72 / 77°F 93% 1004 mb
Low level cloud: 98%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
98%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

SSW
SSW

 19 / 28 mph 75 / 79°F 89% 1005 mb
Low level cloud: 96%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 17 / 25 mph 79 / 81°F 81% 1006 mb
Low level cloud: 63%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 17 / 19 mph 67 / 67°F 87% 1009 mb
Low level cloud: 85%
Mid level cloud: 0%
High level cloud: 54%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 11 / 15 mph 65 / 64°F 83% 1011 mb
Low level cloud: 43%
Mid level cloud: 0%
High level cloud: 33%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 7 / 13 mph 58 / 57°F 89% 1014 mb
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May		00:00

NNW
NNW

 13 / 21 mph 54 / 50°F 96% 1016 mb
Low level cloud: 64%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 7 / 13 mph 48 / 44°F 97% 1016 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 5 / 9 mph 48 / 45°F 97% 1018 mb
Low level cloud: 43%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

 8 / 9 mph 60 / 57°F 77% 1019 mb
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

 7 / 9 mph 68 / 66°F 66% 1019 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

 6 / 7 mph 72 / 69°F 62% 1017 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

 6 / 8 mph 72 / 69°F 76% 1017 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 7 / 13 mph 62 / 62°F 86% 1018 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
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 24
May		00:00

SSE
SSE

 10 / 21 mph 65 / 65°F 97% 1015 mb
Low level cloud: 22%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
28%
0.0 In
06:00

S
S

 14 / 30 mph 64 / 64°F 95% 1008 mb
Low level cloud: 78%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
87%
0.0 In
12:00

SW
SW

 22 / 47 mph 82 / 89°F 75% 1004 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

S
S

 10 / 21 mph 78 / 84°F 94% 1007 mb
Low level cloud: 31%
Mid level cloud: 66%
High level cloud: 100%
Most Significant Cloud Type: low
66%
0.0 In
Sat 25
May		00:00

S
S

 19 / 41 mph 76 / 79°F 74% 1006 mb
Low level cloud: 2%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
06:00

WSW
WSW

 5 / 10 mph 69 / 69°F 94% 1008 mb
Low level cloud: 53%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: low
86%
0.0 In
12:00

SSW
SSW

 19 / 41 mph 82 / 87°F 68% 1009 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
18:00

S
S

 17 / 35 mph 81 / 85°F 70% 1007 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 2%
Most Significant Cloud Type: medium
45%
0.0 In
Sun 26
May		00:00

SSW
SSW

 18 / 37 mph 76 / 78°F 61% 1007 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
06:00

SSW
SSW

 17 / 37 mph 70 / 71°F 79% 1009 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 21%
Most Significant Cloud Type: medium
14%
0.0 In
12:00

SSW
SSW

 19 / 41 mph 83 / 88°F 69% 1008 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 32%
Most Significant Cloud Type: medium
11%
0.0 In
18:00

SW
SW

 19 / 40 mph 75 / 79°F 86% 1007 mb
Low level cloud: 6%
Mid level cloud: 30%
High level cloud: 16%
Most Significant Cloud Type: medium
47%
0.3 In
Mon 27
May		00:00

W
W

 18 / 38 mph 76 / 79°F 71% 1012 mb
Low level cloud: 8%
Mid level cloud: 26%
High level cloud: 59%
Most Significant Cloud Type: medium
49%
0.0 In
06:00

E
E

 3 / 6 mph 64 / 64°F 96% 1014 mb
Low level cloud: 86%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.9 In
12:00

SW
SW

 18 / 37 mph 79 / 83°F 72% 1012 mb
Low level cloud: 84%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
87%
0.1 In
18:00

NNW
NNW

 5 / 10 mph 77 / 82°F 90% 1011 mb
Low level cloud: 42%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.1 In
Tue 28
May		00:00

N
N

 2 / 5 mph 68 / 68°F 98% 1015 mb
Low level cloud: 94%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.8 In
06:00

WSW
WSW

 12 / 26 mph 63 / 63°F 97% 1015 mb
Low level cloud: 64%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
92%
0.6 In
12:00

NNE
NNE

 8 / 17 mph 65 / 65°F 99% 1016 mb
Low level cloud: 99%
Mid level cloud: 89%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.6 In
18:00

ESE
ESE

 1 / 2 mph 75 / 79°F 85% 1012 mb
Low level cloud: 7%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
65%
0.3 In
Wed 29
May		00:00

N
N

 12 / 24 mph 58 / 55°F 98% 1020 mb
Low level cloud: 100%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
06:00

N
N

 7 / 14 mph 61 / 61°F 99% 1014 mb
Low level cloud: 100%
Mid level cloud: 18%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.3 In
12:00

NNE
NNE

 11 / 22 mph 66 / 66°F 71% 1023 mb
Low level cloud: 22%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
21%
0.0 In
18:00

N
N

 11 / 23 mph 65 / 65°F 84% 1016 mb
Low level cloud: 96%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Thu 30
May		00:00

ESE
ESE

 8 / 16 mph 55 / 53°F 92% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

NW
NW

 6 / 13 mph 56 / 55°F 96% 1019 mb
Low level cloud: 19%
Mid level cloud: 7%
High level cloud: 18%
Most Significant Cloud Type: low
23%
0.0 In
12:00

SE
SE

 11 / 22 mph 72 / 76°F 58% 1021 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
18:00

NW
NW

 8 / 17 mph 66 / 66°F 78% 1017 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 13%
Most Significant Cloud Type: medium
13%
0.0 In
Fri 31
May		00:00

SE
SE

 10 / 21 mph 59 / 57°F 76% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
06:00

W
W

 8 / 16 mph 56 / 54°F 89% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
12:00

SSE
SSE

 13 / 28 mph 73 / 77°F 60% 1021 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 93%
Most Significant Cloud Type: medium
29%
0.0 In
18:00

N
N

 9 / 19 mph 67 / 67°F 82% 1018 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
Sat 01
Jun		00:00

SSE
SSE

 10 / 21 mph 61 / 61°F 81% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 34%
Most Significant Cloud Type: medium
7%
0.0 In
06:00

NNE
NNE

 6 / 13 mph 51 / 49°F 90% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

S
S

 13 / 27 mph 78 / 81°F 69% 1017 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 77%
Most Significant Cloud Type: medium
13%
0.1 In
18:00

NNW
NNW

 5 / 11 mph 68 / 68°F 76% 1024 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: low
3%
0.0 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