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Arlington 14 Day Long Range Forecast

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

Massachusetts, United States Of America

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

The forecast for Arlington in the coming two weeks is predicting the average daytime maximum temperature will be around 22°C, with a high for the two weeks of 31°C expected on the afternoon of Wednesday 22nd. The mean minimum temperature will be 12°C, dipping to its lowest on the morning of Saturday 25th at 8°C. Expect the following 14 days ahead to have mixed overhead conditions with some days dry and some seeing a significant amount of rain. The indicators are that Thursday 23rd will have the most precipitation with an accumulation of around 1.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 17
May
01:00

NNE
NNE

5 / 9 mph 53 / 51°F 91% 1013 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

6 / 13 mph 50 / 48°F 91% 1014 mb
Low level cloud: 6%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

8 / 10 mph 61 / 59°F 67% 1016 mb
Low level cloud: 1%
Mid level cloud: 22%
High level cloud: 21%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

12 / 13 mph 69 / 67°F 55% 1015 mb
Low level cloud: 9%
Mid level cloud: 20%
High level cloud: 5%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

11 / 13 mph 69 / 68°F 55% 1015 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 19%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

8 / 10 mph 68 / 65°F 59% 1015 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 33%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

5 / 6 mph 59 / 57°F 78% 1016 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 16%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

6 / 8 mph 54 / 53°F 87% 1016 mb
Low level cloud: 2%
Mid level cloud: 7%
High level cloud: 26%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May
16:00

NNE
NNE

8 / 9 mph 56 / 55°F 86% 1016 mb
Low level cloud: 95%
Mid level cloud: 69%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

7 / 8 mph 56 / 54°F 88% 1017 mb
Low level cloud: 97%
Mid level cloud: 44%
High level cloud: 74%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

8 / 10 mph 54 / 52°F 93% 1016 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 85%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May
01:00

NNE
NNE

8 / 10 mph 53 / 51°F 93% 1016 mb
Low level cloud: 99%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

8 / 11 mph 53 / 50°F 92% 1016 mb
Low level cloud: 100%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

8 / 11 mph 54 / 52°F 89% 1017 mb
Low level cloud: 100%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

10 / 12 mph 57 / 54°F 82% 1017 mb
Low level cloud: 99%
Mid level cloud: 50%
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

NE
NE

10 / 12 mph 59 / 59°F 76% 1017 mb
Low level cloud: 97%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

9 / 11 mph 60 / 59°F 74% 1017 mb
Low level cloud: 85%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

6 / 8 mph 57 / 54°F 84% 1017 mb
Low level cloud: 63%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

5 / 7 mph 52 / 50°F 94% 1018 mb
Low level cloud: 57%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May
01:00

N
N

5 / 8 mph 50 / 49°F 94% 1018 mb
Low level cloud: 72%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

5 / 7 mph 50 / 48°F 97% 1018 mb
Low level cloud: 82%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

6 / 7 mph 55 / 53°F 86% 1019 mb
Low level cloud: 84%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

5 / 6 mph 64 / 62°F 70% 1018 mb
Low level cloud: 80%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

6 / 7 mph 72 / 69°F 58% 1018 mb
Low level cloud: 19%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

6 / 7 mph 71 / 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
19:00

SE
SE

5 / 5 mph 65 / 63°F 84% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

4 / 6 mph 56 / 56°F 91% 1017 mb
Low level cloud: 3%
Mid level cloud: 6%
High level cloud: 19%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
01:00

SSW
SSW

4 / 9 mph 54 / 53°F 96% 1016 mb
Low level cloud: 18%
Mid level cloud: 2%
High level cloud: 3%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

4 / 9 mph 53 / 52°F 97% 1015 mb
Low level cloud: 9%
Mid level cloud: 1%
High level cloud: 1%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

6 / 7 mph 66 / 64°F 72% 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
10:00

SSW
SSW

6 / 7 mph 79 / 78°F 52% 1015 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
13:00

SSW
SSW

6 / 8 mph 85 / 82°F 42% 1013 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
16:00

SSW
SSW

10 / 12 mph 84 / 83°F 44% 1012 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

10 / 13 mph 73 / 76°F 69% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: high
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

9 / 11 mph 65 / 65°F 76% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 31%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
01:00

SW
SW

9 / 11 mph 62 / 62°F 79% 1013 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 11%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

8 / 13 mph 59 / 59°F 82% 1013 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
07:00

SW
SW

10 / 12 mph 68 / 67°F 70% 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
10:00

SW
SW

10 / 12 mph 82 / 82°F 49% 1013 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
13:00

SW
SW

11 / 12 mph 88 / 87°F 40% 1010 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

13 / 15 mph 87 / 86°F 43% 1010 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 3%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

12 / 15 mph 74 / 76°F 61% 1010 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

10 / 13 mph 66 / 67°F 64% 1011 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
01:00

SSW
SSW

10 / 14 mph 65 / 65°F 71% 1010 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 93%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

10 / 15 mph 63 / 63°F 76% 1009 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
07:00

SSW
SSW

12 / 14 mph 71 / 69°F 65% 1009 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

15 / 17 mph 82 / 81°F 53% 1007 mb
Low level cloud: 1%
Mid level cloud: 20%
High level cloud: 13%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

17 / 19 mph 85 / 85°F 49% 1004 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 17%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

15 / 17 mph 81 / 82°F 58% 1003 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 15%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

11 / 18 mph 69 / 67°F 90% 1003 mb
Low level cloud: 25%
Mid level cloud: 69%
High level cloud: 20%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

12 / 17 mph 65 / 65°F 87% 1005 mb
Low level cloud: 42%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: low
58%
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
01:00

WNW
WNW

8 / 11 mph 64 / 64°F 66% 1015 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
07:00

WNW
WNW

12 / 16 mph 65 / 65°F 60% 1007 mb
Low level cloud: 28%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.0 In
13:00

W
W

12 / 15 mph 86 / 83°F 28% 1010 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 42%
Most Significant Cloud Type: medium
15%
0.0 In
19:00

SSW
SSW

8 / 11 mph 76 / 78°F 54% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
Sat 25
May
01:00

NE
NE

6 / 13 mph 54 / 52°F 85% 1019 mb
Low level cloud: 97%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WNW
WNW

10 / 12 mph 57 / 55°F 53% 1010 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 3%
Most Significant Cloud Type: medium
8%
0.0 In
13:00

WNW
WNW

12 / 25 mph 72 / 74°F 29% 1011 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
19:00

NNW
NNW

6 / 9 mph 74 / 76°F 42% 1019 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
Sun 26
May
01:00

W
W

6 / 12 mph 59 / 58°F 67% 1018 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 11%
Most Significant Cloud Type: medium
7%
0.0 In
07:00

N
N

5 / 7 mph 68 / 68°F 47% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
0.0 In
13:00

ESE
ESE

1 / 2 mph 83 / 81°F 26% 1019 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
19:00

S
S

6 / 8 mph 68 / 68°F 52% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Mon 27
May
01:00

SSW
SSW

6 / 14 mph 62 / 62°F 63% 1020 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
07:00

SSW
SSW

3 / 4 mph 65 / 65°F 52% 1020 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
0.0 In
13:00

SSW
SSW

12 / 25 mph 62 / 62°F 87% 1013 mb
Low level cloud: 97%
Mid level cloud: 98%
High level cloud: 83%
Most Significant Cloud Type: low
100%
0.0 In
19:00

ESE
ESE

7 / 9 mph 65 / 65°F 63% 1014 mb
Low level cloud: 1%
Mid level cloud: 44%
High level cloud: 3%
Most Significant Cloud Type: medium
48%
0.0 In
Tue 28
May
01:00

SW
SW

6 / 14 mph 65 / 65°F 99% 1008 mb
Low level cloud: 93%
Mid level cloud: 30%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
07:00

ESE
ESE

4 / 5 mph 66 / 66°F 60% 1013 mb
Low level cloud: 27%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
54%
0.0 In
13:00

W
W

13 / 26 mph 79 / 78°F 33% 1009 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 5%
Most Significant Cloud Type: medium
8%
0.0 In
19:00

NNE
NNE

1 / 2 mph 57 / 57°F 96% 1015 mb
Low level cloud: 93%
Mid level cloud: 56%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
Wed 29
May
01:00

NW
NW

5 / 11 mph 64 / 64°F 72% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
07:00

SW
SW

4 / 5 mph 64 / 64°F 86% 1015 mb
Low level cloud: 16%
Mid level cloud: 2%
High level cloud: 58%
Most Significant Cloud Type: low
23%
0.0 In
13:00

NNW
NNW

3 / 7 mph 83 / 81°F 30% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 19%
Most Significant Cloud Type: medium
13%
0.0 In
19:00

SSW
SSW

6 / 8 mph 70 / 70°F 73% 1011 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 75%
Most Significant Cloud Type: medium
46%
0.0 In
Thu 30
May
01:00

SSW
SSW

5 / 11 mph 65 / 65°F 58% 1018 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 64%
Most Significant Cloud Type: medium
16%
0.0 In
07:00

SSW
SSW

2 / 2 mph 63 / 64°F 90% 1012 mb
Low level cloud: 21%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
13:00

SE
SE

9 / 18 mph 75 / 76°F 38% 1016 mb
Low level cloud: 0%
Mid level cloud: 34%
High level cloud: 100%
Most Significant Cloud Type: medium
37%
0.0 In
19:00

SE
SE

6 / 8 mph 64 / 64°F 90% 1011 mb
Low level cloud: 58%
Mid level cloud: 15%
High level cloud: 2%
Most Significant Cloud Type: low
63%
0.0 In
Fri 31
May
01:00

N
N

3 / 6 mph 59 / 60°F 98% 1017 mb
Low level cloud: 54%
Mid level cloud: 53%
High level cloud: 32%
Most Significant Cloud Type: low
76%
0.2 In
07:00

S
S

4 / 5 mph 59 / 59°F 99% 1011 mb
Low level cloud: 99%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
13:00

NE
NE

16 / 33 mph 66 / 66°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
0.1 In
19:00

SSE
SSE

5 / 7 mph 68 / 67°F 85% 1009 mb
Low level cloud: 41%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
41%
0.2 In
Sat 01
Jun
01:00

ENE
ENE

18 / 38 mph 50 / 44°F 97% 1022 mb
Low level cloud: 100%
Mid level cloud: 66%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.7 In
07:00

SW
SW

8 / 11 mph 62 / 62°F 93% 1009 mb
Low level cloud: 63%
Mid level cloud: 85%
High level cloud: 4%
Most Significant Cloud Type: low
93%
0.0 In
13:00

NE
NE

14 / 30 mph 55 / 51°F 89% 1026 mb
Low level cloud: 95%
Mid level cloud: 99%
High level cloud: 5%
Most Significant Cloud Type: low
100%
1.8 In
19:00

SSW
SSW

9 / 14 mph 69 / 69°F 55% 1008 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
0.1 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