WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Guayama 14 Day Long Range Forecast

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

Puerto Rico

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

The next 14 day outlook for Guayama shows the average daytime maximum temperature will be around 30°C, with a high for the two weeks of 32°C expected on the afternoon of Saturday 4th. The mean minimum temperature will be 24°C, dipping to its lowest on the morning of Tuesday 7th at 24°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain. Current predictions suggest Tuesday 7th will have the most precipitation with an accumulation of around 19.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 04
May
14:00

SSE
SSE

7 / 8 mph 88 / 92°F 62% 1011 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SSE
SSE

4 / 5 mph 89 / 93°F 68% 1011 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ENE
ENE

2 / 3 mph 85 / 95°F 79% 1013 mb
Low level cloud: 4%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NE
NE

4 / 5 mph 82 / 90°F 82% 1014 mb
Low level cloud: 3%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May
02:00

NE
NE

5 / 7 mph 78 / 83°F 85% 1013 mb
Low level cloud: 9%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NE
NE

5 / 8 mph 76 / 80°F 87% 1014 mb
Low level cloud: 7%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ENE
ENE

5 / 6 mph 83 / 85°F 81% 1015 mb
Low level cloud: 8%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

E
E

7 / 8 mph 88 / 92°F 67% 1014 mb
Low level cloud: 2%
Mid level cloud: 18%
High level cloud: 14%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

10 / 13 mph 87 / 93°F 70% 1013 mb
Low level cloud: 7%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

E
E

7 / 9 mph 87 / 93°F 73% 1013 mb
Low level cloud: 20%
Mid level cloud: 18%
High level cloud: 15%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ENE
ENE

6 / 9 mph 79 / 84°F 85% 1015 mb
Low level cloud: 4%
Mid level cloud: 19%
High level cloud: 96%
Most Significant Cloud Type: medium
32%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
23:00

NE
NE

4 / 7 mph 77 / 81°F 85% 1015 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: medium
25%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Mon 06
May
02:00

NE
NE

5 / 9 mph 76 / 80°F 86% 1013 mb
Low level cloud: 4%
Mid level cloud: 19%
High level cloud: 89%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNE
NNE

5 / 9 mph 76 / 80°F 87% 1014 mb
Low level cloud: 1%
Mid level cloud: 22%
High level cloud: 79%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NE
NE

5 / 6 mph 83 / 85°F 81% 1015 mb
Low level cloud: 3%
Mid level cloud: 19%
High level cloud: 33%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

7 / 8 mph 87 / 91°F 70% 1014 mb
Low level cloud: 24%
Mid level cloud: 18%
High level cloud: 15%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

9 / 14 mph 87 / 92°F 72% 1013 mb
Low level cloud: 18%
Mid level cloud: 28%
High level cloud: 14%
Most Significant Cloud Type: low
28%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:00

E
E

7 / 12 mph 86 / 90°F 76% 1012 mb
Low level cloud: 5%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
20:00

ENE
ENE

7 / 12 mph 78 / 83°F 86% 1013 mb
Low level cloud: 1%
Mid level cloud: 32%
High level cloud: 1%
Most Significant Cloud Type: medium
33%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
23:00

NE
NE

6 / 9 mph 77 / 81°F 87% 1013 mb
Low level cloud: 1%
Mid level cloud: 46%
High level cloud: 5%
Most Significant Cloud Type: medium
47%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Tue 07
May
02:00

NE
NE

5 / 8 mph 75 / 79°F 85% 1012 mb
Low level cloud: 4%
Mid level cloud: 43%
High level cloud: 7%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNE
NNE

4 / 7 mph 75 / 78°F 85% 1011 mb
Low level cloud: 4%
Mid level cloud: 45%
High level cloud: 10%
Most Significant Cloud Type: medium
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNE
NNE

4 / 6 mph 82 / 83°F 78% 1013 mb
Low level cloud: 7%
Mid level cloud: 43%
High level cloud: 32%
Most Significant Cloud Type: medium
64%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
11:00

ESE
ESE

2 / 4 mph 86 / 88°F 72% 1013 mb
Low level cloud: 11%
Mid level cloud: 44%
High level cloud: 16%
Most Significant Cloud Type: medium
74%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
14:00

ESE
ESE

5 / 7 mph 84 / 87°F 80% 1011 mb
Low level cloud: 7%
Mid level cloud: 45%
High level cloud: 7%
Most Significant Cloud Type: medium
65%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:00

E
E

5 / 8 mph 82 / 87°F 77% 1010 mb
Low level cloud: 15%
Mid level cloud: 46%
High level cloud: 21%
Most Significant Cloud Type: medium
90%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:00

ENE
ENE

4 / 9 mph 77 / 82°F 86% 1012 mb
Low level cloud: 21%
Mid level cloud: 48%
High level cloud: 9%
Most Significant Cloud Type: low
38%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
23:00

NE
NE

5 / 8 mph 75 / 79°F 86% 1013 mb
Low level cloud: 34%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
02:00

NE
NE

4 / 6 mph 76 / 80°F 86% 1012 mb
Low level cloud: 11%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: medium
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NE
NE

4 / 6 mph 76 / 80°F 86% 1011 mb
Low level cloud: 16%
Mid level cloud: 31%
High level cloud: 15%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NE
NE

4 / 6 mph 79 / 80°F 80% 1013 mb
Low level cloud: 12%
Mid level cloud: 42%
High level cloud: 0%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

SE
SE

5 / 7 mph 84 / 85°F 71% 1013 mb
Low level cloud: 9%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: medium
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

6 / 9 mph 87 / 92°F 80% 1012 mb
Low level cloud: 3%
Mid level cloud: 28%
High level cloud: 2%
Most Significant Cloud Type: medium
35%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:00

E
E

4 / 7 mph 87 / 93°F 83% 1011 mb
Low level cloud: 1%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
20:00

ENE
ENE

5 / 7 mph 82 / 90°F 84% 1013 mb
Low level cloud: 12%
Mid level cloud: 27%
High level cloud: 11%
Most Significant Cloud Type: low
22%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
23:00

NE
NE

4 / 5 mph 79 / 85°F 85% 1014 mb
Low level cloud: 8%
Mid level cloud: 25%
High level cloud: 9%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
02:00

NE
NE

4 / 6 mph 76 / 80°F 84% 1013 mb
Low level cloud: 2%
Mid level cloud: 22%
High level cloud: 46%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NE
NE

4 / 7 mph 75 / 78°F 85% 1013 mb
Low level cloud: 8%
Mid level cloud: 21%
High level cloud: 2%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NE
NE

4 / 5 mph 83 / 84°F 79% 1014 mb
Low level cloud: 9%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

6 / 6 mph 88 / 90°F 66% 1014 mb
Low level cloud: 5%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

7 / 10 mph 87 / 91°F 70% 1014 mb
Low level cloud: 6%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
36%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:00

ESE
ESE

6 / 10 mph 87 / 91°F 73% 1013 mb
Low level cloud: 14%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:00

E
E

6 / 9 mph 79 / 84°F 83% 1015 mb
Low level cloud: 30%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NE
NE

6 / 10 mph 77 / 82°F 85% 1015 mb
Low level cloud: 42%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May
02:00

ENE
ENE

6 / 9 mph 78 / 82°F 85% 1014 mb
Low level cloud: 67%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

ENE
ENE

5 / 8 mph 78 / 82°F 85% 1014 mb
Low level cloud: 15%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

E
E

7 / 11 mph 81 / 82°F 80% 1015 mb
Low level cloud: 39%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

9 / 11 mph 84 / 87°F 74% 1016 mb
Low level cloud: 41%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

7 / 11 mph 87 / 92°F 72% 1014 mb
Low level cloud: 12%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:00

ESE
ESE

7 / 10 mph 87 / 93°F 77% 1014 mb
Low level cloud: 15%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

E
E

6 / 7 mph 82 / 92°F 87% 1015 mb
Low level cloud: 31%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

ENE
ENE

6 / 6 mph 81 / 89°F 88% 1016 mb
Low level cloud: 25%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 11
May
02:00

NE
NE

7 / 15 mph 78 / 82°F 85% 1013 mb
Low level cloud: 40%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.0 In
08:00

ENE
ENE

7 / 15 mph 81 / 88°F 81% 1014 mb
Low level cloud: 41%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.0 In
14:00

ESE
ESE

11 / 23 mph 84 / 91°F 71% 1013 mb
Low level cloud: 39%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
43%
0.0 In
20:00

NE
NE

6 / 13 mph 80 / 88°F 88% 1014 mb
Low level cloud: 10%
Mid level cloud: 28%
High level cloud: 7%
Most Significant Cloud Type: medium
55%
0.0 In
Sun 12
May
02:00

NE
NE

6 / 13 mph 77 / 82°F 88% 1014 mb
Low level cloud: 41%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.0 In
08:00

E
E

5 / 10 mph 83 / 92°F 81% 1015 mb
Low level cloud: 30%
Mid level cloud: 9%
High level cloud: 1%
Most Significant Cloud Type: low
33%
0.0 In
14:00

ESE
ESE

9 / 19 mph 87 / 96°F 71% 1014 mb
Low level cloud: 14%
Mid level cloud: 9%
High level cloud: 4%
Most Significant Cloud Type: low
17%
0.0 In
20:00

E
E

4 / 9 mph 88 / 108°F 83% 1014 mb
Low level cloud: 20%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.0 In
Mon 13
May
02:00

ENE
ENE

6 / 13 mph 81 / 88°F 86% 1014 mb
Low level cloud: 25%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
31%
0.1 In
08:00

ESE
ESE

8 / 17 mph 83 / 91°F 81% 1015 mb
Low level cloud: 48%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.0 In
14:00

ESE
ESE

10 / 21 mph 84 / 93°F 76% 1015 mb
Low level cloud: 31%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.1 In
20:00

E
E

6 / 14 mph 81 / 90°F 86% 1016 mb
Low level cloud: 33%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 In
Tue 14
May
02:00

ENE
ENE

8 / 17 mph 80 / 86°F 85% 1015 mb
Low level cloud: 67%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.1 In
08:00

E
E

8 / 17 mph 82 / 90°F 80% 1017 mb
Low level cloud: 39%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.0 In
14:00

E
E

12 / 25 mph 84 / 92°F 73% 1015 mb
Low level cloud: 21%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.1 In
20:00

ENE
ENE

8 / 17 mph 80 / 87°F 86% 1017 mb
Low level cloud: 29%
Mid level cloud: 6%
High level cloud: 1%
Most Significant Cloud Type: low
31%
0.0 In
Wed 15
May
02:00

ENE
ENE

8 / 17 mph 79 / 84°F 85% 1013 mb
Low level cloud: 86%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.0 In
08:00

E
E

8 / 17 mph 82 / 89°F 80% 1017 mb
Low level cloud: 69%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.0 In
14:00

ESE
ESE

12 / 26 mph 85 / 92°F 68% 1014 mb
Low level cloud: 10%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
12%
0.0 In
20:00

NE
NE

9 / 18 mph 80 / 87°F 85% 1015 mb
Low level cloud: 15%
Mid level cloud: 5%
High level cloud: 8%
Most Significant Cloud Type: low
17%
0.0 In
Thu 16
May
02:00

ENE
ENE

8 / 17 mph 79 / 85°F 84% 1013 mb
Low level cloud: 76%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
77%
0.0 In
08:00

ENE
ENE

8 / 17 mph 82 / 89°F 74% 1015 mb
Low level cloud: 26%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
14:00

ESE
ESE

13 / 27 mph 83 / 91°F 75% 1013 mb
Low level cloud: 43%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.2 In
20:00

NE
NE

9 / 18 mph 80 / 86°F 83% 1014 mb
Low level cloud: 19%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
20%
0.0 In
Fri 17
May
02:00

ENE
ENE

8 / 17 mph 77 / 81°F 84% 1013 mb
Low level cloud: 51%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.0 In
08:00

ENE
ENE

9 / 18 mph 81 / 86°F 77% 1015 mb
Low level cloud: 49%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.0 In
14:00

E
E

13 / 27 mph 85 / 92°F 68% 1014 mb
Low level cloud: 16%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
17%
0.0 In
20:00

ENE
ENE

8 / 17 mph 80 / 86°F 84% 1015 mb
Low level cloud: 17%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
20%
0.0 In
Sat 18
May
02:00

NE
NE

7 / 16 mph 77 / 81°F 86% 1014 mb
Low level cloud: 52%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.0 In
08:00

ENE
ENE

9 / 18 mph 81 / 86°F 75% 1016 mb
Low level cloud: 57%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
60%
0.0 In
14:00

E
E

12 / 26 mph 85 / 93°F 68% 1016 mb
Low level cloud: 9%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.0 In
20:00

NE
NE

9 / 19 mph 79 / 84°F 83% 1016 mb
Low level cloud: 22%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.1 In
Sun 19
May
02:00

ENE
ENE

9 / 19 mph 81 / 88°F 84% 1015 mb
Low level cloud: 75%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
77%
0.0 In
08:00

ENE
ENE

8 / 17 mph 80 / 86°F 80% 1017 mb
Low level cloud: 79%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
82%
0.0 In
14:00

E
E

11 / 24 mph 86 / 93°F 66% 1015 mb
Low level cloud: 10%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
20:00

ENE
ENE

9 / 18 mph 79 / 84°F 86% 1017 mb
Low level cloud: 40%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
43%
0.1 In

The day label given represents the local day relative to the local time for the location you are looking at.
(More Info)

Day

This time is corrected for local time zones and where possible for daylight saving times.
(More Info)

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.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

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.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
(More Info)

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.
(More Info)

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.
(More Info)

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.
(More Info)

Pressure