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Salzburg 14 Day Long Range Forecast

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

Austria

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

The next 14 day outlook for Salzburg shows the average daytime maximum temperature will be around 21°C, with a high for the two weeks of 28°C expected on the afternoon of Tuesday 14th. The mean minimum temperature will be 8°C, dipping to its lowest on the morning of Friday 10th at 5°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. Current predictions suggest Monday 6th will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 07
May
01:00

SW
SW

4 / 5 mph 50 / 49°F 95% 1014 mb
Low level cloud: 42%
Mid level cloud: 79%
High level cloud: 84%
Most Significant Cloud Type: low
79%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

SW
SW

3 / 4 mph 49 / 49°F 95% 1013 mb
Low level cloud: 46%
Mid level cloud: 71%
High level cloud: 13%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

3 / 4 mph 51 / 50°F 93% 1014 mb
Low level cloud: 39%
Mid level cloud: 73%
High level cloud: 34%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

3 / 3 mph 57 / 56°F 86% 1014 mb
Low level cloud: 29%
Mid level cloud: 46%
High level cloud: 61%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

4 / 5 mph 64 / 61°F 72% 1013 mb
Low level cloud: 29%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

6 / 9 mph 60 / 60°F 83% 1013 mb
Low level cloud: 91%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

5 / 7 mph 52 / 50°F 96% 1016 mb
Low level cloud: 97%
Mid level cloud: 70%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

3 / 3 mph 50 / 50°F 97% 1018 mb
Low level cloud: 72%
Mid level cloud: 76%
High level cloud: 54%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
01:00

NW
NW

3 / 4 mph 49 / 48°F 97% 1019 mb
Low level cloud: 91%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

2 / 3 mph 47 / 48°F 97% 1020 mb
Low level cloud: 73%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

2 / 3 mph 48 / 48°F 95% 1022 mb
Low level cloud: 70%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

2 / 3 mph 52 / 51°F 92% 1022 mb
Low level cloud: 54%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

2 / 3 mph 55 / 53°F 85% 1023 mb
Low level cloud: 25%
Mid level cloud: 44%
High level cloud: 98%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

3 / 3 mph 55 / 56°F 74% 1022 mb
Low level cloud: 20%
Mid level cloud: 87%
High level cloud: 80%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

1 / 2 mph 50 / 49°F 86% 1023 mb
Low level cloud: 2%
Mid level cloud: 47%
High level cloud: 3%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

3 / 7 mph 42 / 40°F 93% 1025 mb
Low level cloud: 48%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
01:00

SSE
SSE

2 / 4 mph 46 / 46°F 85% 1025 mb
Low level cloud: 67%
Mid level cloud: 52%
High level cloud: 0%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

1 / 2 mph 46 / 46°F 87% 1025 mb
Low level cloud: 52%
Mid level cloud: 62%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

2 / 2 mph 50 / 50°F 85% 1025 mb
Low level cloud: 30%
Mid level cloud: 98%
High level cloud: 4%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

5 / 6 mph 58 / 58°F 68% 1024 mb
Low level cloud: 91%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

6 / 6 mph 61 / 60°F 61% 1023 mb
Low level cloud: 11%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: medium
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

4 / 5 mph 64 / 61°F 62% 1022 mb
Low level cloud: 4%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

2 / 4 mph 53 / 52°F 79% 1023 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

4 / 9 mph 45 / 43°F 87% 1024 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May
01:00

SSW
SSW

3 / 6 mph 42 / 41°F 92% 1024 mb
Low level cloud: 3%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

4 / 8 mph 41 / 38°F 92% 1023 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 1%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

1 / 2 mph 55 / 54°F 76% 1023 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 32%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

5 / 6 mph 65 / 62°F 59% 1021 mb
Low level cloud: 5%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

6 / 7 mph 69 / 66°F 51% 1020 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

6 / 7 mph 69 / 66°F 54% 1019 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
19:00

NNE
NNE

2 / 4 mph 56 / 54°F 80% 1019 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 4%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

4 / 9 mph 49 / 47°F 88% 1020 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 16%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 11
May
01:00

S
S

4 / 9 mph 45 / 43°F 88% 1020 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

3 / 7 mph 44 / 42°F 87% 1019 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

1 / 1 mph 58 / 56°F 76% 1019 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

4 / 5 mph 68 / 65°F 63% 1018 mb
Low level cloud: 0%
Mid level cloud: 54%
High level cloud: 100%
Most Significant Cloud Type: medium
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

6 / 7 mph 73 / 69°F 52% 1017 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 99%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

7 / 8 mph 73 / 69°F 52% 1016 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 10%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

2 / 4 mph 55 / 54°F 78% 1017 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

4 / 8 mph 49 / 48°F 82% 1018 mb
Low level cloud: 0%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: medium
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 12
May
01:00

S
S

4 / 8 mph 48 / 46°F 82% 1017 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
04:00

S
S

3 / 7 mph 47 / 46°F 83% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

1 / 1 mph 62 / 59°F 71% 1016 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
10:00

NNE
NNE

5 / 6 mph 71 / 68°F 54% 1015 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 32%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

6 / 7 mph 76 / 76°F 49% 1014 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 80%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

6 / 7 mph 73 / 76°F 71% 1013 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

2 / 3 mph 59 / 58°F 87% 1013 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

5 / 11 mph 52 / 51°F 91% 1014 mb
Low level cloud: 6%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 13
May
01:00

S
S

4 / 9 mph 51 / 50°F 90% 1015 mb
Low level cloud: 4%
Mid level cloud: 84%
High level cloud: 20%
Most Significant Cloud Type: medium
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

2 / 5 mph 51 / 52°F 86% 1015 mb
Low level cloud: 0%
Mid level cloud: 88%
High level cloud: 31%
Most Significant Cloud Type: medium
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

4 / 6 mph 59 / 57°F 80% 1015 mb
Low level cloud: 0%
Mid level cloud: 38%
High level cloud: 100%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

4 / 5 mph 75 / 76°F 54% 1013 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 32%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

6 / 7 mph 78 / 77°F 50% 1012 mb
Low level cloud: 0%
Mid level cloud: 65%
High level cloud: 11%
Most Significant Cloud Type: medium
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

3 / 4 mph 71 / 68°F 78% 1012 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 32%
Most Significant Cloud Type: medium
33%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

SE
SE

3 / 5 mph 62 / 60°F 88% 1012 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 34%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

5 / 10 mph 53 / 52°F 90% 1013 mb
Low level cloud: 2%
Mid level cloud: 8%
High level cloud: 96%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Tue 14
May
01:00

S
S

4 / 9 mph 56 / 56°F 85% 1011 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: medium
12%
0.0 In
07:00

SSE
SSE

1 / 2 mph 69 / 69°F 73% 1013 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: medium
15%
0.0 In
13:00

N
N

6 / 14 mph 79 / 79°F 45% 1007 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
19:00

SE
SE

2 / 5 mph 71 / 71°F 83% 1010 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: medium
15%
0.0 In
Wed 15
May
01:00

S
S

5 / 11 mph 58 / 58°F 82% 1006 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 33%
Most Significant Cloud Type: medium
7%
0.0 In
07:00

S
S

3 / 7 mph 72 / 76°F 65% 1011 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 11%
Most Significant Cloud Type: medium
8%
0.0 In
13:00

NNW
NNW

5 / 11 mph 74 / 77°F 69% 1003 mb
Low level cloud: 0%
Mid level cloud: 53%
High level cloud: 32%
Most Significant Cloud Type: medium
54%
0.0 In
19:00

SE
SE

3 / 6 mph 74 / 78°F 81% 1004 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 60%
Most Significant Cloud Type: medium
5%
0.0 In
Thu 16
May
01:00

S
S

4 / 9 mph 59 / 59°F 93% 1007 mb
Low level cloud: 20%
Mid level cloud: 43%
High level cloud: 7%
Most Significant Cloud Type: low
36%
0.1 In
07:00

S
S

3 / 6 mph 62 / 62°F 90% 1011 mb
Low level cloud: 13%
Mid level cloud: 82%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
13:00

NE
NE

5 / 11 mph 79 / 81°F 57% 1006 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 97%
Most Significant Cloud Type: medium
24%
0.0 In
19:00

NW
NW

1 / 2 mph 63 / 63°F 98% 1012 mb
Low level cloud: 67%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
Fri 17
May
01:00

S
S

7 / 14 mph 58 / 57°F 79% 1005 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
0.0 In
07:00

SE
SE

1 / 2 mph 58 / 58°F 98% 1013 mb
Low level cloud: 67%
Mid level cloud: 100%
High level cloud: 7%
Most Significant Cloud Type: low
100%
0.2 In
13:00

N
N

7 / 15 mph 79 / 81°F 57% 1006 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
19:00

W
W

4 / 8 mph 63 / 63°F 99% 1012 mb
Low level cloud: 87%
Mid level cloud: 66%
High level cloud: 38%
Most Significant Cloud Type: low
100%
0.3 In
Sat 18
May
01:00

NW
NW

4 / 7 mph 61 / 61°F 92% 1013 mb
Low level cloud: 99%
Mid level cloud: 93%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WNW
WNW

4 / 7 mph 54 / 54°F 99% 1012 mb
Low level cloud: 96%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
13:00

N
N

6 / 13 mph 73 / 77°F 67% 1008 mb
Low level cloud: 30%
Mid level cloud: 51%
High level cloud: 16%
Most Significant Cloud Type: low
49%
0.0 In
19:00

NNE
NNE

4 / 9 mph 57 / 57°F 98% 1015 mb
Low level cloud: 96%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.3 In
Sun 19
May
01:00

SE
SE

2 / 4 mph 56 / 57°F 92% 1015 mb
Low level cloud: 8%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
68%
0.2 In
07:00

NNE
NNE

4 / 7 mph 50 / 50°F 96% 1016 mb
Low level cloud: 88%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNE
NNE

9 / 18 mph 78 / 80°F 53% 1010 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
19:00

SSE
SSE

1 / 2 mph 54 / 54°F 91% 1019 mb
Low level cloud: 54%
Mid level cloud: 51%
High level cloud: 31%
Most Significant Cloud Type: low
75%
0.0 In
Mon 20
May
01:00

SSW
SSW

5 / 11 mph 58 / 58°F 82% 1010 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 6%
Most Significant Cloud Type: medium
2%
0.0 In
07:00

SSE
SSE

1 / 2 mph 60 / 60°F 84% 1021 mb
Low level cloud: 9%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.0 In
13:00

N
N

4 / 8 mph 67 / 67°F 82% 1012 mb
Low level cloud: 81%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: low
89%
0.0 In
19:00

N
N

3 / 6 mph 59 / 59°F 79% 1017 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
0.0 In
Tue 21
May
01:00

NW
NW

3 / 5 mph 61 / 61°F 98% 1015 mb
Low level cloud: 100%
Mid level cloud: 93%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NW
NW

2 / 5 mph 59 / 60°F 73% 1017 mb
Low level cloud: 5%
Mid level cloud: 41%
High level cloud: 0%
Most Significant Cloud Type: medium
55%
0.0 In

Other Locations Near to Salzburg

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