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Villeneuve 14 Day Long Range Forecast

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

Switzerland

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

Reviewing the forecast for Villeneuve Over the next 14 days and the average daytime maximum temperature will be around 14°C, with a high for the two weeks of 18°C expected on the afternoon of Friday 14th. The mean minimum temperature will be 3°C, dipping to its lowest on the morning of Monday 10th at 1°C. Expect the coming 14 days to remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 08
Nov
16:00

NNW
NNW

3 / 3 mph 54 / 53°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 11%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

2 / 4 mph 39 / 38°F 89% 1017 mb
Low level cloud: 2%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

3 / 6 mph 37 / 35°F 88% 1019 mb
Low level cloud: 3%
Mid level cloud: 28%
High level cloud: 6%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 09
Nov
01:00

ESE
ESE

3 / 6 mph 36 / 34°F 88% 1019 mb
Low level cloud: 3%
Mid level cloud: 30%
High level cloud: 8%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

3 / 7 mph 35 / 33°F 89% 1020 mb
Low level cloud: 5%
Mid level cloud: 44%
High level cloud: 14%
Most Significant Cloud Type: medium
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

3 / 7 mph 36 / 33°F 87% 1020 mb
Low level cloud: 6%
Mid level cloud: 43%
High level cloud: 7%
Most Significant Cloud Type: medium
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

1 / 1 mph 49 / 49°F 74% 1020 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 6%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

2 / 3 mph 54 / 54°F 65% 1018 mb
Low level cloud: 0%
Mid level cloud: 36%
High level cloud: 4%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

3 / 3 mph 52 / 51°F 79% 1018 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 9%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

2 / 3 mph 43 / 43°F 85% 1019 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
22:00

ESE
ESE

1 / 2 mph 41 / 41°F 86% 1019 mb
Low level cloud: 1%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 10
Nov
01:00

SE
SE

3 / 6 mph 37 / 35°F 88% 1019 mb
Low level cloud: 3%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

3 / 6 mph 36 / 33°F 86% 1018 mb
Low level cloud: 1%
Mid level cloud: 13%
High level cloud: 4%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

4 / 8 mph 35 / 32°F 86% 1018 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 11%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

1 / 1 mph 50 / 49°F 66% 1016 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 32%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

2 / 3 mph 55 / 55°F 60% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: high
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

3 / 3 mph 53 / 52°F 80% 1015 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 17%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

3 / 7 mph 40 / 38°F 88% 1018 mb
Low level cloud: 3%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

4 / 8 mph 39 / 36°F 84% 1018 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 5%
Most Significant Cloud Type: high
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 11
Nov
01:00

SE
SE

4 / 8 mph 38 / 35°F 80% 1019 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 16%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

4 / 9 mph 36 / 33°F 72% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 90%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

4 / 9 mph 36 / 32°F 67% 1019 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 2%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

1 / 1 mph 52 / 51°F 52% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 8%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

2 / 2 mph 57 / 57°F 46% 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
16:00

NNW
NNW

1 / 2 mph 49 / 49°F 68% 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
19:00

SE
SE

4 / 9 mph 42 / 40°F 69% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

4 / 9 mph 40 / 37°F 65% 1018 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 32%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 12
Nov
01:00

SE
SE

5 / 10 mph 39 / 35°F 67% 1018 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 4%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

5 / 10 mph 38 / 34°F 66% 1018 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
07:00

SE
SE

5 / 10 mph 37 / 34°F 65% 1019 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

SE
SE

3 / 4 mph 47 / 46°F 56% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

1 / 2 mph 61 / 60°F 49% 1015 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
16:00

SE
SE

2 / 4 mph 49 / 49°F 70% 1016 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
19:00

SE
SE

4 / 9 mph 44 / 42°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

5 / 10 mph 41 / 38°F 68% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: high
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 13
Nov
01:00

SE
SE

5 / 11 mph 40 / 37°F 67% 1020 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
04:00

SE
SE

6 / 12 mph 40 / 35°F 65% 1020 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
07:00

SE
SE

6 / 13 mph 39 / 35°F 61% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: high
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

4 / 9 mph 49 / 47°F 53% 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
13:00

S
S

2 / 2 mph 64 / 63°F 47% 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
16:00

SE
SE

2 / 3 mph 57 / 58°F 64% 1016 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
19:00

SE
SE

6 / 14 mph 49 / 46°F 61% 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
22:00

SE
SE

7 / 14 mph 46 / 42°F 60% 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
Fri 14
Nov
01:00

SE
SE

6 / 13 mph 44 / 40°F 60% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

7 / 15 mph 43 / 39°F 59% 1015 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
07:00

SE
SE

7 / 15 mph 43 / 38°F 60% 1014 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
10:00

SE
SE

6 / 13 mph 50 / 47°F 57% 1012 mb
Low level cloud: 0%
Mid level cloud: 40%
High level cloud: 40%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

5 / 5 mph 65 / 64°F 50% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 81%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

5 / 11 mph 50 / 47°F 68% 1009 mb
Low level cloud: 0%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

6 / 12 mph 46 / 43°F 73% 1010 mb
Low level cloud: 0%
Mid level cloud: 85%
High level cloud: 100%
Most Significant Cloud Type: medium
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

5 / 10 mph 45 / 42°F 78% 1012 mb
Low level cloud: 0%
Mid level cloud: 63%
High level cloud: 82%
Most Significant Cloud Type: medium
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 15
Nov
01:00

SE
SE

5 / 11 mph 44 / 41°F 67% 1011 mb
Low level cloud: 0%
Mid level cloud: 77%
High level cloud: 100%
Most Significant Cloud Type: medium
81%
0.0 In
07:00

SE
SE

6 / 12 mph 40 / 36°F 76% 1010 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 32%
Most Significant Cloud Type: medium
16%
0.0 In
13:00

WSW
WSW

7 / 10 mph 55 / 53°F 78% 1014 mb
Low level cloud: 7%
Mid level cloud: 78%
High level cloud: 18%
Most Significant Cloud Type: medium
99%
0.0 In
19:00

SW
SW

1 / 1 mph 45 / 45°F 77% 1014 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
0.0 In
Sun 16
Nov
01:00

SE
SE

5 / 11 mph 39 / 35°F 80% 1014 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
07:00

SE
SE

6 / 13 mph 40 / 35°F 73% 1014 mb
Low level cloud: 0%
Mid level cloud: 83%
High level cloud: 45%
Most Significant Cloud Type: medium
84%
0.0 In
13:00

SSW
SSW

5 / 8 mph 50 / 48°F 93% 1011 mb
Low level cloud: 47%
Mid level cloud: 77%
High level cloud: 46%
Most Significant Cloud Type: low
79%
0.0 In
19:00

WNW
WNW

3 / 4 mph 48 / 47°F 89% 1009 mb
Low level cloud: 19%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
47%
0.0 In
Mon 17
Nov
01:00

S
S

5 / 11 mph 34 / 30°F 89% 1012 mb
Low level cloud: 7%
Mid level cloud: 29%
High level cloud: 3%
Most Significant Cloud Type: medium
47%
0.1 In
07:00

SE
SE

4 / 9 mph 38 / 35°F 89% 1013 mb
Low level cloud: 6%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.3 In
13:00

ENE
ENE

2 / 4 mph 55 / 56°F 76% 1006 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

ESE
ESE

3 / 6 mph 44 / 42°F 90% 1012 mb
Low level cloud: 8%
Mid level cloud: 20%
High level cloud: 100%
Most Significant Cloud Type: medium
45%
0.0 In
Tue 18
Nov
01:00

SE
SE

8 / 13 mph 42 / 37°F 92% 999 mb
Low level cloud: 29%
Mid level cloud: 100%
High level cloud: 18%
Most Significant Cloud Type: medium
100%
0.2 In
07:00

SE
SE

6 / 12 mph 36 / 31°F 81% 1009 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
0.0 In
13:00

W
W

6 / 11 mph 45 / 42°F 99% 1000 mb
Low level cloud: 99%
Mid level cloud: 80%
High level cloud: 100%
Most Significant Cloud Type: low
100%
1.0 In
19:00

SSE
SSE

3 / 7 mph 41 / 39°F 83% 998 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 40%
Most Significant Cloud Type: medium
33%
0.0 In
Wed 19
Nov
01:00

SSW
SSW

7 / 16 mph 30 / 23°F 89% 1007 mb
Low level cloud: 7%
Mid level cloud: 6%
High level cloud: 8%
Most Significant Cloud Type: low
9%
0.4 In
07:00

SSE
SSE

4 / 7 mph 37 / 35°F 91% 999 mb
Low level cloud: 16%
Mid level cloud: 43%
High level cloud: 12%
Most Significant Cloud Type: low
32%
0.2 In
13:00

WSW
WSW

6 / 12 mph 45 / 42°F 78% 1012 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
0.0 In
19:00

WSW
WSW

4 / 5 mph 49 / 49°F 96% 999 mb
Low level cloud: 79%
Mid level cloud: 77%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.2 In
Thu 20
Nov
01:00

SSE
SSE

5 / 10 mph 25 / 19°F 89% 1021 mb
Low level cloud: 7%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
8%
0.1 In
07:00

NW
NW

4 / 6 mph 44 / 42°F 98% 1005 mb
Low level cloud: 85%
Mid level cloud: 73%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.3 In
13:00

SW
SW

7 / 14 mph 50 / 48°F 64% 1014 mb
Low level cloud: 0%
Mid level cloud: 92%
High level cloud: 37%
Most Significant Cloud Type: medium
93%
0.0 In
19:00

SSE
SSE

2 / 2 mph 38 / 38°F 90% 1008 mb
Low level cloud: 11%
Mid level cloud: 6%
High level cloud: 10%
Most Significant Cloud Type: low
14%
0.1 In
Fri 21
Nov
01:00

S
S

4 / 9 mph 34 / 30°F 90% 1026 mb
Low level cloud: 15%
Mid level cloud: 49%
High level cloud: 5%
Most Significant Cloud Type: medium
92%
0.3 In
07:00

SE
SE

5 / 10 mph 31 / 26°F 84% 1009 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: medium
32%
0.0 In
13:00

SW
SW

5 / 11 mph 46 / 43°F 89% 1025 mb
Low level cloud: 28%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

WSW
WSW

1 / 2 mph 44 / 44°F 99% 1012 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
Sat 22
Nov
01:00

SSW
SSW

4 / 9 mph 39 / 36°F 98% 1025 mb
Low level cloud: 76%
Mid level cloud: 88%
High level cloud: 17%
Most Significant Cloud Type: low
100%
0.4 In
07:00

SSW
SSW

3 / 4 mph 38 / 36°F 97% 1015 mb
Low level cloud: 72%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.8 In
13:00

SSW
SSW

3 / 7 mph 48 / 47°F 96% 1027 mb
Low level cloud: 56%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
19:00

WSW
WSW

8 / 15 mph 42 / 37°F 95% 1022 mb
Low level cloud: 53%
Mid level cloud: 75%
High level cloud: 0%
Most Significant Cloud Type: low
79%
0.5 In
Sun 23
Nov
01:00

S
S

4 / 8 mph 44 / 42°F 95% 1030 mb
Low level cloud: 48%
Mid level cloud: 60%
High level cloud: 6%
Most Significant Cloud Type: low
69%
0.0 In
07:00

SSE
SSE

4 / 10 mph 23 / 17°F 91% 1030 mb
Low level cloud: 11%
Mid level cloud: 20%
High level cloud: 63%
Most Significant Cloud Type: low
25%
0.2 In
13:00

SE
SE

3 / 5 mph 50 / 50°F 95% 1030 mb
Low level cloud: 48%
Mid level cloud: 42%
High level cloud: 5%
Most Significant Cloud Type: low
63%
0.1 In
19:00

SE
SE

4 / 9 mph 35 / 31°F 84% 1025 mb
Low level cloud: 0%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In

Other Locations Near to Villeneuve

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