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Terracina 14 Day Long Range Forecast

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

Italy

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

Taking a look at Terracina over the coming two weeks and the average daytime maximum temperature will be around 13°C, with a high for the two weeks of 16°C expected on the afternoon of Thursday 4th. The mean minimum temperature will be 11°C, dipping to its lowest on the morning of Wednesday 10th at 9°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. Predictions are Tuesday 2nd will have the most precipitation with an accumulation of around 25.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 30
Nov
16:00

SSE
SSE

2 / 3 mph 54 / 55°F 65% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 72%
Most Significant Cloud Type: high
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

3 / 4 mph 53 / 53°F 68% 1018 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 64%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

4 / 7 mph 52 / 51°F 68% 1019 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 01
Dec
01:00

ENE
ENE

5 / 8 mph 52 / 51°F 68% 1018 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

5 / 9 mph 51 / 50°F 67% 1018 mb
Low level cloud: 11%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

6 / 11 mph 51 / 49°F 67% 1019 mb
Low level cloud: 1%
Mid level cloud: 33%
High level cloud: 100%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

6 / 9 mph 54 / 52°F 66% 1020 mb
Low level cloud: 24%
Mid level cloud: 33%
High level cloud: 55%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

7 / 10 mph 57 / 54°F 72% 1019 mb
Low level cloud: 42%
Mid level cloud: 25%
High level cloud: 74%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

7 / 11 mph 57 / 55°F 77% 1018 mb
Low level cloud: 39%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

6 / 11 mph 55 / 54°F 76% 1019 mb
Low level cloud: 33%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

9 / 16 mph 53 / 51°F 76% 1018 mb
Low level cloud: 29%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 02
Dec
01:00

E
E

8 / 12 mph 54 / 51°F 84% 1018 mb
Low level cloud: 86%
Mid level cloud: 100%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

E
E

9 / 15 mph 53 / 49°F 88% 1017 mb
Low level cloud: 27%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

E
E

10 / 16 mph 53 / 49°F 85% 1017 mb
Low level cloud: 71%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

E
E

9 / 13 mph 55 / 53°F 81% 1017 mb
Low level cloud: 40%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

11 / 15 mph 57 / 55°F 80% 1015 mb
Low level cloud: 52%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
98%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

SE
SE

8 / 11 mph 58 / 56°F 91% 1015 mb
Low level cloud: 80%
Mid level cloud: 71%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
19:00

ENE
ENE

9 / 13 mph 56 / 54°F 86% 1015 mb
Low level cloud: 90%
Mid level cloud: 62%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
22:00

ESE
ESE

9 / 13 mph 55 / 52°F 81% 1015 mb
Low level cloud: 79%
Mid level cloud: 43%
High level cloud: 6%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 03
Dec
01:00

E
E

9 / 14 mph 53 / 50°F 79% 1015 mb
Low level cloud: 26%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

9 / 17 mph 52 / 48°F 78% 1014 mb
Low level cloud: 13%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

6 / 12 mph 51 / 49°F 78% 1014 mb
Low level cloud: 14%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

4 / 6 mph 55 / 54°F 71% 1014 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 9%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

3 / 4 mph 59 / 59°F 64% 1013 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

1 / 2 mph 59 / 59°F 67% 1012 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

2 / 3 mph 57 / 58°F 70% 1013 mb
Low level cloud: 6%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

6 / 9 mph 55 / 54°F 74% 1013 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
Thu 04
Dec
01:00

NNE
NNE

5 / 8 mph 54 / 53°F 74% 1013 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

6 / 10 mph 52 / 51°F 72% 1012 mb
Low level cloud: 7%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: medium
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

4 / 8 mph 52 / 51°F 69% 1012 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 78%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

4 / 5 mph 56 / 56°F 64% 1011 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

3 / 4 mph 60 / 60°F 58% 1010 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 31%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

6 / 6 mph 61 / 60°F 65% 1008 mb
Low level cloud: 0%
Mid level cloud: 82%
High level cloud: 100%
Most Significant Cloud Type: medium
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

5 / 6 mph 58 / 58°F 70% 1008 mb
Low level cloud: 2%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

4 / 6 mph 56 / 55°F 68% 1008 mb
Low level cloud: 4%
Mid level cloud: 100%
High level cloud: 38%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 05
Dec
01:00

N
N

3 / 5 mph 53 / 53°F 67% 1007 mb
Low level cloud: 3%
Mid level cloud: 27%
High level cloud: 34%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

4 / 8 mph 52 / 51°F 69% 1007 mb
Low level cloud: 1%
Mid level cloud: 58%
High level cloud: 31%
Most Significant Cloud Type: medium
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

7 / 13 mph 51 / 49°F 78% 1008 mb
Low level cloud: 3%
Mid level cloud: 24%
High level cloud: 31%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

8 / 14 mph 54 / 51°F 73% 1009 mb
Low level cloud: 4%
Mid level cloud: 31%
High level cloud: 12%
Most Significant Cloud Type: medium
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

9 / 13 mph 56 / 53°F 72% 1008 mb
Low level cloud: 7%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: medium
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

8 / 12 mph 56 / 54°F 76% 1009 mb
Low level cloud: 41%
Mid level cloud: 46%
High level cloud: 38%
Most Significant Cloud Type: low
61%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

E
E

6 / 9 mph 55 / 53°F 79% 1010 mb
Low level cloud: 33%
Mid level cloud: 43%
High level cloud: 18%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

4 / 7 mph 54 / 53°F 76% 1011 mb
Low level cloud: 38%
Mid level cloud: 44%
High level cloud: 79%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 06
Dec
01:00

NNE
NNE

4 / 7 mph 53 / 53°F 75% 1011 mb
Low level cloud: 27%
Mid level cloud: 36%
High level cloud: 100%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

6 / 11 mph 52 / 51°F 77% 1011 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

5 / 10 mph 52 / 50°F 73% 1011 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 20%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

4 / 6 mph 56 / 55°F 65% 1012 mb
Low level cloud: 0%
Mid level cloud: 61%
High level cloud: 100%
Most Significant Cloud Type: medium
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

4 / 5 mph 58 / 58°F 58% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 74%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

4 / 6 mph 59 / 58°F 63% 1011 mb
Low level cloud: 0%
Mid level cloud: 64%
High level cloud: 18%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

5 / 7 mph 57 / 56°F 69% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

3 / 5 mph 55 / 55°F 69% 1013 mb
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 100%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 07
Dec
01:00

N
N

4 / 9 mph 57 / 56°F 80% 1013 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 32%
Most Significant Cloud Type: medium
6%
0.0 In
07:00

NNE
NNE

3 / 7 mph 56 / 56°F 82% 1017 mb
Low level cloud: 29%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: low
43%
0.0 In
13:00

NNW
NNW

5 / 8 mph 60 / 60°F 66% 1012 mb
Low level cloud: 1%
Mid level cloud: 21%
High level cloud: 11%
Most Significant Cloud Type: medium
23%
0.0 In
19:00

NW
NW

11 / 20 mph 57 / 55°F 76% 1015 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 44%
Most Significant Cloud Type: medium
6%
0.0 In
Mon 08
Dec
01:00

NE
NE

4 / 9 mph 56 / 56°F 69% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
07:00

NE
NE

5 / 10 mph 52 / 51°F 67% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: high
7%
0.0 In
13:00

SW
SW

2 / 5 mph 58 / 59°F 57% 1022 mb
Low level cloud: 27%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
19:00

N
N

4 / 9 mph 62 / 62°F 66% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
Tue 09
Dec
01:00

N
N

3 / 7 mph 58 / 58°F 78% 1023 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 10%
Most Significant Cloud Type: medium
6%
0.0 In
07:00

NE
NE

5 / 11 mph 51 / 49°F 67% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

SE
SE

4 / 7 mph 62 / 62°F 61% 1021 mb
Low level cloud: 3%
Mid level cloud: 2%
High level cloud: 3%
Most Significant Cloud Type: low
4%
0.0 In
19:00

N
N

4 / 9 mph 57 / 57°F 64% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Wed 10
Dec
01:00

ENE
ENE

5 / 11 mph 56 / 55°F 81% 1020 mb
Low level cloud: 53%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
53%
0.0 In
07:00

NNE
NNE

3 / 6 mph 54 / 54°F 60% 1026 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 9%
Most Significant Cloud Type: high
9%
0.0 In
13:00

SE
SE

3 / 6 mph 60 / 60°F 80% 1018 mb
Low level cloud: 82%
Mid level cloud: 3%
High level cloud: 15%
Most Significant Cloud Type: low
85%
0.0 In
19:00

NNW
NNW

3 / 6 mph 59 / 59°F 67% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
0.0 In
Thu 11
Dec
01:00

SE
SE

3 / 6 mph 59 / 59°F 84% 1013 mb
Low level cloud: 26%
Mid level cloud: 16%
High level cloud: 18%
Most Significant Cloud Type: low
33%
0.0 In
07:00

NNE
NNE

3 / 6 mph 51 / 51°F 49% 1019 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
13:00

W
W

13 / 27 mph 63 / 63°F 77% 1006 mb
Low level cloud: 39%
Mid level cloud: 44%
High level cloud: 7%
Most Significant Cloud Type: low
55%
0.1 In
19:00

NNE
NNE

5 / 11 mph 56 / 56°F 52% 1018 mb
Low level cloud: 0%
Mid level cloud: 38%
High level cloud: 0%
Most Significant Cloud Type: medium
38%
0.0 In
Fri 12
Dec
01:00

NW
NW

9 / 18 mph 51 / 48°F 75% 1005 mb
Low level cloud: 81%
Mid level cloud: 53%
High level cloud: 67%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NNE
NNE

5 / 11 mph 49 / 47°F 61% 1021 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 4%
Most Significant Cloud Type: medium
13%
0.0 In
13:00

W
W

6 / 13 mph 57 / 57°F 72% 1002 mb
Low level cloud: 29%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.2 In
19:00

NNW
NNW

5 / 10 mph 55 / 55°F 59% 1021 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
Sat 13
Dec
01:00

N
N

4 / 9 mph 52 / 51°F 73% 1003 mb
Low level cloud: 30%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.1 In
07:00

NE
NE

5 / 10 mph 53 / 52°F 58% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
13:00

NNW
NNW

4 / 9 mph 57 / 57°F 66% 998 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

NNW
NNW

6 / 12 mph 58 / 57°F 61% 1024 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
Sun 14
Dec
01:00

N
N

4 / 9 mph 49 / 47°F 71% 1001 mb
Low level cloud: 19%
Mid level cloud: 27%
High level cloud: 8%
Most Significant Cloud Type: low
29%
0.0 In
07:00

NE
NE

5 / 10 mph 53 / 52°F 63% 1025 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 16%
Most Significant Cloud Type: medium
2%
0.0 In
13:00

W
W

3 / 6 mph 50 / 49°F 67% 1007 mb
Low level cloud: 11%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: medium
80%
0.0 In
19:00

NNW
NNW

5 / 11 mph 59 / 59°F 75% 1025 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 16%
Most Significant Cloud Type: medium
3%
0.0 In
Mon 15
Dec
01:00

N
N

5 / 11 mph 48 / 45°F 78% 1013 mb
Low level cloud: 21%
Mid level cloud: 39%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.3 In
07:00

ESE
ESE

3 / 6 mph 52 / 52°F 80% 1025 mb
Low level cloud: 70%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
85%
0.0 In
13:00

WNW
WNW

7 / 15 mph 50 / 47°F 64% 1015 mb
Low level cloud: 34%
Mid level cloud: 50%
High level cloud: 18%
Most Significant Cloud Type: low
54%
0.1 In
19:00

E
E

6 / 13 mph 57 / 55°F 82% 1024 mb
Low level cloud: 51%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
66%
0.0 In

Other Locations Near to Terracina

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.
(More Info)

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