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Wachusett Reservoir 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Wachusett Reservoir

Massachusetts, United States Of America

Long range weather outlook for Wachusett Reservoir includes 14 day forecast summary:

The forecast for Wachusett Reservoir in the coming two weeks is predicting the average daytime maximum temperature will be around 8°C, with a high for the two weeks of 15°C expected on the afternoon of Saturday 8th. The average minimum temperature will be 1°C, dipping to its lowest on the morning of Tuesday 11th at -2°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain or snow. It looks like Monday 10th will have the most precipitation with an accumulation of around 15.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 06
Nov
16:00

WNW
WNW

11 / 14 mph 44 / 38°F 52% 1016 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

WNW
WNW

6 / 8 mph 39 / 35°F 67% 1019 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

WNW
WNW

7 / 11 mph 35 / 29°F 69% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 62%
Most Significant Cloud Type: high
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 07
Nov
01:00

W
W

5 / 8 mph 33 / 28°F 79% 1020 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
04:00

WSW
WSW

4 / 9 mph 30 / 26°F 79% 1020 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
07:00

SW
SW

5 / 9 mph 31 / 27°F 77% 1019 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 19%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

10 / 11 mph 45 / 39°F 47% 1017 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 52%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

11 / 13 mph 50 / 46°F 54% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

13 / 21 mph 49 / 44°F 63% 1009 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 34%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

15 / 25 mph 50 / 44°F 69% 1007 mb
Low level cloud: 18%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

13 / 21 mph 51 / 46°F 91% 1005 mb
Low level cloud: 84%
Mid level cloud: 49%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sat 08
Nov
01:00

SW
SW

12 / 18 mph 50 / 46°F 91% 1004 mb
Low level cloud: 88%
Mid level cloud: 82%
High level cloud: 69%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

SW
SW

12 / 18 mph 51 / 47°F 92% 1004 mb
Low level cloud: 99%
Mid level cloud: 21%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

9 / 14 mph 52 / 48°F 92% 1005 mb
Low level cloud: 57%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

8 / 10 mph 57 / 54°F 80% 1007 mb
Low level cloud: 28%
Mid level cloud: 1%
High level cloud: 5%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

11 / 12 mph 58 / 56°F 53% 1008 mb
Low level cloud: 52%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

7 / 9 mph 54 / 51°F 65% 1011 mb
Low level cloud: 0%
Mid level cloud: 2%
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

WNW
WNW

7 / 10 mph 47 / 43°F 76% 1014 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 2%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

5 / 7 mph 44 / 41°F 76% 1015 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 20%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 09
Nov
01:00

WNW
WNW

1 / 1 mph 41 / 41°F 78% 1016 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

1 / 3 mph 38 / 38°F 82% 1016 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

2 / 4 mph 38 / 37°F 83% 1017 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 75%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

5 / 6 mph 47 / 44°F 67% 1015 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 74%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

7 / 8 mph 54 / 52°F 67% 1012 mb
Low level cloud: 8%
Mid level cloud: 84%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

6 / 9 mph 48 / 45°F 97% 1010 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

NE
NE

5 / 7 mph 49 / 47°F 99% 1010 mb
Low level cloud: 100%
Mid level cloud: 32%
High level cloud: 34%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

NNE
NNE

4 / 6 mph 49 / 48°F 99% 1010 mb
Low level cloud: 99%
Mid level cloud: 24%
High level cloud: 85%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 10
Nov
01:00

NE
NE

4 / 6 mph 49 / 48°F 99% 1007 mb
Low level cloud: 100%
Mid level cloud: 43%
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

NE
NE

5 / 8 mph 49 / 47°F 99% 1003 mb
Low level cloud: 100%
Mid level cloud: 93%
High level cloud: 84%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
07:00

NNW
NNW

7 / 9 mph 48 / 45°F 97% 1001 mb
Low level cloud: 99%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.4 In of precipitation over the past 3 hours.
0.4 In
10:00

NW
NW

7 / 10 mph 47 / 44°F 91% 1002 mb
Low level cloud: 95%
Mid level cloud: 49%
High level cloud: 84%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

10 / 11 mph 46 / 42°F 84% 1003 mb
Low level cloud: 95%
Mid level cloud: 72%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

10 / 12 mph 40 / 34°F 82% 1005 mb
Low level cloud: 28%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

10 / 13 mph 37 / 30°F 81% 1007 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

9 / 12 mph 34 / 26°F 78% 1009 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
Tue 11
Nov
01:00

WSW
WSW

9 / 13 mph 31 / 23°F 82% 1009 mb
Low level cloud: 24%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

11 / 15 mph 31 / 21°F 68% 1011 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

WSW
WSW

10 / 12 mph 30 / 21°F 65% 1012 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

WSW
WSW

14 / 16 mph 36 / 27°F 46% 1013 mb
Low level cloud: 27%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

14 / 16 mph 42 / 34°F 42% 1012 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

11 / 17 mph 40 / 33°F 54% 1013 mb
Low level cloud: 11%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

11 / 15 mph 38 / 30°F 63% 1015 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
22:00

WSW
WSW

9 / 13 mph 35 / 28°F 73% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 13%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 12
Nov
01:00

SW
SW

10 / 15 mph 34 / 26°F 71% 1016 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 33%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

10 / 16 mph 35 / 28°F 56% 1014 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
07:00

SW
SW

12 / 17 mph 38 / 30°F 72% 1012 mb
Low level cloud: 71%
Mid level cloud: 48%
High level cloud: 57%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

13 / 15 mph 46 / 40°F 55% 1009 mb
Low level cloud: 1%
Mid level cloud: 33%
High level cloud: 100%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

11 / 12 mph 48 / 43°F 53% 1006 mb
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

8 / 13 mph 43 / 38°F 63% 1005 mb
Low level cloud: 2%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

10 / 15 mph 41 / 36°F 73% 1006 mb
Low level cloud: 19%
Mid level cloud: 100%
High level cloud: 84%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

9 / 14 mph 41 / 35°F 85% 1006 mb
Low level cloud: 35%
Mid level cloud: 85%
High level cloud: 33%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 13
Nov
01:00

WSW
WSW

9 / 14 mph 40 / 34°F 85% 1001 mb
Low level cloud: 73%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
89%
0.0 In
07:00

W
W

10 / 19 mph 37 / 30°F 83% 1005 mb
Low level cloud: 65%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.0 In
13:00

WNW
WNW

14 / 21 mph 47 / 41°F 52% 1007 mb
Low level cloud: 9%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
19:00

WSW
WSW

7 / 10 mph 47 / 43°F 84% 1011 mb
Low level cloud: 45%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
Fri 14
Nov
01:00

WNW
WNW

6 / 10 mph 38 / 33°F 89% 1010 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.0 In
07:00

NW
NW

6 / 7 mph 38 / 34°F 82% 1006 mb
Low level cloud: 42%
Mid level cloud: 59%
High level cloud: 6%
Most Significant Cloud Type: low
62%
0.0 In
13:00

NW
NW

13 / 16 mph 41 / 34°F 47% 1005 mb
Low level cloud: 1%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
0.0 In
19:00

WNW
WNW

6 / 9 mph 33 / 27°F 71% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
47%
0.0 In
Sat 15
Nov
01:00

W
W

8 / 11 mph 29 / 21°F 73% 1008 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 14%
Most Significant Cloud Type: medium
4%
0.0 In
07:00

SW
SW

11 / 15 mph 37 / 29°F 89% 1002 mb
Low level cloud: 100%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

W
W

9 / 11 mph 42 / 37°F 39% 1004 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
0.0 In
19:00

W
W

9 / 15 mph 38 / 32°F 82% 999 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 8%
Most Significant Cloud Type: medium
3%
0.0 In
Sun 16
Nov
01:00

NE
NE

6 / 7 mph 32 / 26°F 97% 996 mb
Low level cloud: 84%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
07:00

SE
SE

2 / 3 mph 38 / 37°F 85% 1001 mb
Low level cloud: 0%
Mid level cloud: 58%
High level cloud: 16%
Most Significant Cloud Type: medium
59%
0.0 In
13:00

NNW
NNW

13 / 17 mph 34 / 25°F 82% 996 mb
Low level cloud: 29%
Mid level cloud: 44%
High level cloud: 9%
Most Significant Cloud Type: low
45%
0.6 In
19:00

S
S

9 / 16 mph 52 / 49°F 95% 990 mb
Low level cloud: 97%
Mid level cloud: 65%
High level cloud: 78%
Most Significant Cloud Type: low
100%
0.2 In
Mon 17
Nov
01:00

NW
NW

13 / 21 mph 29 / 18°F 83% 1003 mb
Low level cloud: 12%
Mid level cloud: 43%
High level cloud: 3%
Most Significant Cloud Type: medium
77%
0.0 In
07:00

SW
SW

10 / 15 mph 50 / 46°F 92% 987 mb
Low level cloud: 74%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.7 In
13:00

WNW
WNW

11 / 15 mph 37 / 30°F 85% 1009 mb
Low level cloud: 28%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
29%
0.0 In
19:00

W
W

12 / 17 mph 36 / 28°F 82% 996 mb
Low level cloud: 29%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
Tue 18
Nov
01:00

WNW
WNW

7 / 10 mph 27 / 20°F 89% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WNW
WNW

13 / 18 mph 30 / 20°F 69% 1007 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
0.0 In
13:00

WSW
WSW

4 / 4 mph 42 / 40°F 77% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 93%
Most Significant Cloud Type: medium
10%
0.0 In
19:00

WNW
WNW

10 / 16 mph 31 / 22°F 71% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
Wed 19
Nov
01:00

SSE
SSE

2 / 2 mph 33 / 33°F 97% 1013 mb
Low level cloud: 89%
Mid level cloud: 71%
High level cloud: 17%
Most Significant Cloud Type: low
100%
0.0 In
07:00

W
W

4 / 5 mph 32 / 28°F 70% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 10%
Most Significant Cloud Type: medium
4%
0.0 In
13:00

NE
NE

7 / 12 mph 41 / 36°F 100% 1005 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 91%
Most Significant Cloud Type: low
100%
0.4 In
19:00

SW
SW

3 / 5 mph 39 / 37°F 55% 1025 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: medium
45%
0.0 In
Thu 20
Nov
01:00

N
N

6 / 8 mph 39 / 35°F 99% 1003 mb
Low level cloud: 93%
Mid level cloud: 10%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
07:00

SW
SW

2 / 3 mph 38 / 38°F 79% 1026 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 17%
Most Significant Cloud Type: medium
23%
0.0 In
13:00

NNE
NNE

6 / 7 mph 47 / 45°F 89% 1003 mb
Low level cloud: 67%
Mid level cloud: 22%
High level cloud: 82%
Most Significant Cloud Type: low
84%
0.0 In
19:00

NW
NW

1 / 1 mph 47 / 47°F 87% 1025 mb
Low level cloud: 2%
Mid level cloud: 8%
High level cloud: 92%
Most Significant Cloud Type: medium
17%
0.0 In
Fri 21
Nov
01:00

N
N

12 / 25 mph 37 / 29°F 93% 1002 mb
Low level cloud: 93%
Mid level cloud: 43%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
07:00

N
N

1 / 1 mph 40 / 40°F 95% 1024 mb
Low level cloud: 4%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
6%
0.0 In
13:00

N
N

14 / 19 mph 42 / 35°F 95% 990 mb
Low level cloud: 99%
Mid level cloud: 39%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.7 In
19:00

S
S

4 / 5 mph 50 / 49°F 90% 1019 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 12%
Most Significant Cloud Type: medium
21%
0.0 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