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Farmington 14 Day Long Range Forecast

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

Missouri, United States Of America

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

The outlook for Farmington in the two weeks ahead shows the average daytime maximum temperature will be around 28°C, with a high for the two weeks of 31°C expected on the afternoon of Tuesday 21st. The mean minimum temperature will be 16°C, dipping to its lowest on the morning of Friday 24th at 11°C. The next 14 days will have some days seeing a little precipitation and some days with rain. It looks like Monday 27th will have the most precipitation with an accumulation of around 62.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 17
May
00:00

SSW
SSW

10 / 16 mph 64 / 64°F 84% 1010 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

4 / 9 mph 60 / 60°F 91% 1009 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 97%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

2 / 4 mph 64 / 61°F 90% 1010 mb
Low level cloud: 0%
Mid level cloud: 40%
High level cloud: 8%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

6 / 8 mph 74 / 76°F 73% 1009 mb
Low level cloud: 27%
Mid level cloud: 35%
High level cloud: 18%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

6 / 8 mph 77 / 77°F 68% 1009 mb
Low level cloud: 65%
Mid level cloud: 21%
High level cloud: 12%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

5 / 8 mph 74 / 76°F 85% 1008 mb
Low level cloud: 14%
Mid level cloud: 44%
High level cloud: 82%
Most Significant Cloud Type: medium
86%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
18:00

S
S

3 / 4 mph 73 / 70°F 92% 1008 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 79%
Most Significant Cloud Type: medium
20%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

SSE
SSE

3 / 6 mph 64 / 64°F 93% 1009 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 9%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May
15:00

ENE
ENE

4 / 5 mph 83 / 82°F 59% 1010 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

4 / 7 mph 78 / 78°F 81% 1011 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

2 / 4 mph 68 / 68°F 87% 1013 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May
00:00

S
S

2 / 4 mph 66 / 66°F 91% 1014 mb
Low level cloud: 9%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

2 / 4 mph 64 / 64°F 92% 1014 mb
Low level cloud: 8%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

2 / 4 mph 68 / 66°F 89% 1015 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
09:00

SE
SE

3 / 4 mph 81 / 80°F 61% 1015 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
12:00

SE
SE

7 / 8 mph 86 / 84°F 46% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 6%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SE
SE

7 / 9 mph 87 / 86°F 48% 1013 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 31%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

7 / 13 mph 79 / 80°F 69% 1012 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

4 / 7 mph 72 / 76°F 88% 1013 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
Mon 20
May
00:00

S
S

5 / 10 mph 67 / 67°F 91% 1013 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 15%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

5 / 11 mph 65 / 65°F 92% 1013 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 18%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

9 / 16 mph 68 / 66°F 90% 1012 mb
Low level cloud: 1%
Mid level cloud: 27%
High level cloud: 7%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

9 / 11 mph 78 / 79°F 66% 1013 mb
Low level cloud: 15%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

8 / 11 mph 79 / 79°F 74% 1012 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 6%
Most Significant Cloud Type: medium
17%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

S
S

11 / 13 mph 85 / 86°F 58% 1010 mb
Low level cloud: 1%
Mid level cloud: 32%
High level cloud: 11%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

8 / 13 mph 80 / 81°F 73% 1010 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
21:00

SSE
SSE

7 / 15 mph 72 / 76°F 86% 1010 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

S
S

8 / 16 mph 71 / 71°F 81% 1010 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

8 / 16 mph 68 / 68°F 84% 1009 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
06:00

S
S

8 / 15 mph 70 / 68°F 85% 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

S
S

15 / 17 mph 81 / 82°F 63% 1009 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
12:00

S
S

17 / 20 mph 87 / 89°F 51% 1007 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
15:00

SSW
SSW

16 / 19 mph 88 / 91°F 51% 1005 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 1%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

17 / 28 mph 81 / 83°F 65% 1004 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
21:00

SSW
SSW

14 / 22 mph 77 / 80°F 68% 1005 mb
Low level cloud: 1%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
00:00

SSW
SSW

11 / 21 mph 68 / 69°F 94% 1006 mb
Low level cloud: 10%
Mid level cloud: 20%
High level cloud: 85%
Most Significant Cloud Type: medium
49%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
03:00

SSW
SSW

12 / 20 mph 69 / 69°F 93% 1006 mb
Low level cloud: 18%
Mid level cloud: 15%
High level cloud: 4%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

12 / 19 mph 71 / 69°F 92% 1006 mb
Low level cloud: 39%
Mid level cloud: 7%
High level cloud: 13%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

16 / 18 mph 78 / 79°F 80% 1006 mb
Low level cloud: 56%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

15 / 17 mph 79 / 81°F 79% 1006 mb
Low level cloud: 66%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

16 / 18 mph 87 / 90°F 63% 1005 mb
Low level cloud: 62%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

12 / 21 mph 74 / 78°F 90% 1006 mb
Low level cloud: 82%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NW
NW

12 / 18 mph 62 / 62°F 87% 1011 mb
Low level cloud: 79%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
00:00

NW
NW

10 / 15 mph 63 / 63°F 67% 1012 mb
Low level cloud: 25%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

6 / 11 mph 55 / 54°F 92% 1014 mb
Low level cloud: 22%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

5 / 7 mph 56 / 53°F 93% 1015 mb
Low level cloud: 52%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

7 / 8 mph 66 / 64°F 65% 1017 mb
Low level cloud: 34%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

6 / 6 mph 73 / 76°F 49% 1017 mb
Low level cloud: 14%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

9 / 11 mph 75 / 76°F 47% 1016 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

7 / 9 mph 69 / 66°F 70% 1017 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
21:00

NE
NE

3 / 6 mph 61 / 61°F 89% 1019 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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 24
May
00:00

SSE
SSE

5 / 10 mph 62 / 62°F 99% 1018 mb
Low level cloud: 65%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

S
S

9 / 18 mph 66 / 66°F 98% 1010 mb
Low level cloud: 73%
Mid level cloud: 58%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

S
S

13 / 27 mph 74 / 78°F 85% 1007 mb
Low level cloud: 98%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
99%
0.0 In
18:00

SSW
SSW

11 / 23 mph 84 / 93°F 76% 1007 mb
Low level cloud: 11%
Mid level cloud: 15%
High level cloud: 67%
Most Significant Cloud Type: low
24%
0.0 In
Sat 25
May
00:00

S
S

12 / 24 mph 72 / 76°F 84% 1009 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
06:00

SSW
SSW

7 / 16 mph 69 / 69°F 89% 1008 mb
Low level cloud: 9%
Mid level cloud: 6%
High level cloud: 32%
Most Significant Cloud Type: low
15%
0.0 In
12:00

SSW
SSW

15 / 31 mph 87 / 91°F 50% 1010 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 0%
Most Significant Cloud Type: medium
41%
0.0 In
18:00

S
S

11 / 23 mph 79 / 81°F 62% 1012 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 19%
Most Significant Cloud Type: medium
6%
0.0 In
Sun 26
May
00:00

SSW
SSW

13 / 27 mph 76 / 79°F 64% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
0.0 In
06:00

SSW
SSW

15 / 32 mph 70 / 70°F 85% 1011 mb
Low level cloud: 8%
Mid level cloud: 7%
High level cloud: 11%
Most Significant Cloud Type: low
11%
0.0 In
12:00

SSW
SSW

16 / 33 mph 87 / 90°F 47% 1010 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 7%
Most Significant Cloud Type: medium
23%
0.0 In
18:00

S
S

13 / 28 mph 77 / 80°F 66% 1010 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
Mon 27
May
00:00

SW
SW

10 / 21 mph 71 / 71°F 78% 1011 mb
Low level cloud: 0%
Mid level cloud: 51%
High level cloud: 61%
Most Significant Cloud Type: medium
53%
0.0 In
06:00

SSW
SSW

6 / 13 mph 64 / 64°F 99% 1014 mb
Low level cloud: 41%
Mid level cloud: 7%
High level cloud: 6%
Most Significant Cloud Type: low
44%
2.6 In
12:00

WSW
WSW

9 / 19 mph 80 / 86°F 83% 1013 mb
Low level cloud: 15%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
87%
0.2 In
18:00

WSW
WSW

2 / 4 mph 77 / 82°F 91% 1013 mb
Low level cloud: 52%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
67%
0.2 In
Tue 28
May
00:00

SSW
SSW

3 / 7 mph 66 / 66°F 96% 1014 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 93%
Most Significant Cloud Type: medium
48%
0.9 In
06:00

ENE
ENE

2 / 4 mph 66 / 66°F 99% 1014 mb
Low level cloud: 96%
Mid level cloud: 23%
High level cloud: 36%
Most Significant Cloud Type: low
100%
0.3 In
12:00

NE
NE

6 / 13 mph 65 / 65°F 98% 1018 mb
Low level cloud: 97%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
18:00

NE
NE

9 / 19 mph 71 / 71°F 98% 1015 mb
Low level cloud: 88%
Mid level cloud: 37%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.3 In
Wed 29
May
00:00

NNE
NNE

8 / 17 mph 61 / 61°F 99% 1016 mb
Low level cloud: 97%
Mid level cloud: 70%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.8 In
06:00

NE
NE

4 / 9 mph 62 / 62°F 98% 1015 mb
Low level cloud: 60%
Mid level cloud: 46%
High level cloud: 2%
Most Significant Cloud Type: low
76%
0.0 In
12:00

NNE
NNE

13 / 26 mph 68 / 68°F 64% 1021 mb
Low level cloud: 95%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
18:00

N
N

12 / 24 mph 62 / 62°F 95% 1015 mb
Low level cloud: 85%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
Thu 30
May
00:00

NE
NE

1 / 2 mph 58 / 58°F 88% 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

WNW
WNW

7 / 15 mph 54 / 52°F 95% 1017 mb
Low level cloud: 24%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
28%
0.0 In
12:00

E
E

8 / 17 mph 74 / 76°F 44% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

WNW
WNW

10 / 21 mph 67 / 67°F 68% 1015 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
0.0 In
Fri 31
May
00:00

SE
SE

3 / 7 mph 61 / 61°F 89% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

WNW
WNW

7 / 14 mph 58 / 56°F 89% 1016 mb
Low level cloud: 11%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
18%
0.0 In
12:00

SE
SE

9 / 18 mph 77 / 78°F 46% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 56%
Most Significant Cloud Type: high
55%
0.0 In
18:00

NNW
NNW

7 / 15 mph 64 / 64°F 69% 1018 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
0.0 In
Sat 01
Jun
00:00

SE
SE

5 / 10 mph 61 / 62°F 93% 1022 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 4%
Most Significant Cloud Type: medium
3%
0.0 In
06:00

WNW
WNW

4 / 8 mph 51 / 50°F 93% 1023 mb
Low level cloud: 22%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
25%
0.0 In
12:00

SSE
SSE

10 / 22 mph 78 / 80°F 54% 1020 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
0.0 In
18:00

NNE
NNE

7 / 15 mph 63 / 64°F 67% 1023 mb
Low level cloud: 2%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
4%
0.0 In

Other Locations Near to Farmington

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