Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Cheonan 14 Day Long Range Forecast

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

South Korea

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

For Cheonan in the coming two weeks the average daytime maximum temperature will be around 8°C, with a high for the two weeks of 14°C expected on the afternoon of Saturday 14th. The mean minimum temperature will be -1°C, dipping to its lowest on the morning of Friday 20th at -3°C. Expect the coming 14 days to remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 11
Feb		15:00

WNW
WNW

 12 / 14 mph 42 / 35°F 61% 1021 mb
Low level cloud: 37%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 7 / 10 mph 35 / 28°F 84% 1023 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 3 / 5 mph 31 / 28°F 92% 1023 mb
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 12
Feb		00:00

SW
SW

 4 / 6 mph 29 / 25°F 90% 1023 mb
Low level cloud: 1%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 3 / 6 mph 28 / 24°F 84% 1024 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 4 / 7 mph 28 / 23°F 80% 1024 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
09:00

SSW
SSW

 3 / 3 mph 34 / 31°F 62% 1025 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
12:00

W
W

 5 / 6 mph 44 / 40°F 40% 1024 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
15:00

WNW
WNW

 8 / 9 mph 47 / 42°F 43% 1022 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
18:00

WSW
WSW

 5 / 6 mph 45 / 42°F 66% 1022 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
21:00

S
S

 4 / 7 mph 36 / 33°F 74% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 13
Feb		00:00

S
S

 4 / 8 mph 31 / 27°F 80% 1022 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
03:00

S
S

 4 / 9 mph 30 / 25°F 85% 1022 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
06:00

SSE
SSE

 5 / 10 mph 29 / 24°F 86% 1021 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
09:00

SSE
SSE

 5 / 7 mph 36 / 32°F 73% 1021 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
12:00

WSW
WSW

 6 / 7 mph 49 / 46°F 58% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 36%
Most Significant Cloud Type: high
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 10 / 11 mph 53 / 50°F 52% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 81%
Most Significant Cloud Type: high
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 4 / 8 mph 44 / 41°F 76% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 2 / 5 mph 39 / 38°F 86% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 68%
Most Significant Cloud Type: high
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 14
Feb		00:00

S
S

 2 / 5 mph 38 / 36°F 89% 1021 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 65%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 3 / 6 mph 36 / 33°F 90% 1020 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

 3 / 7 mph 35 / 32°F 90% 1020 mb
Low level cloud: 1%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

 3 / 4 mph 40 / 38°F 81% 1020 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 10%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 5 / 6 mph 53 / 51°F 51% 1019 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
15:00

WSW
WSW

 9 / 10 mph 57 / 55°F 50% 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
18:00

WSW
WSW

 5 / 8 mph 51 / 49°F 77% 1018 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 2 / 3 mph 45 / 45°F 89% 1019 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 15
Feb		00:00

SSE
SSE

 2 / 5 mph 42 / 41°F 92% 1019 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 2 / 5 mph 39 / 38°F 95% 1019 mb
Low level cloud: 45%
Mid level cloud: 0%
High level cloud: 81%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

 1 / 2 mph 39 / 39°F 97% 1019 mb
Low level cloud: 99%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 2 / 3 mph 44 / 43°F 93% 1020 mb
Low level cloud: 85%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 8 / 9 mph 48 / 44°F 84% 1020 mb
Low level cloud: 88%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 12 / 13 mph 46 / 40°F 71% 1020 mb
Low level cloud: 23%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 10 / 12 mph 45 / 39°F 52% 1022 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
21:00

NW
NW

 11 / 12 mph 38 / 31°F 50% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 16
Feb		00:00

WNW
WNW

 10 / 11 mph 32 / 24°F 51% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 6 / 8 mph 30 / 24°F 51% 1025 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 67%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 3 / 4 mph 28 / 25°F 53% 1025 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 36%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 2 / 2 mph 32 / 32°F 39% 1025 mb
Low level cloud: 0%
Mid level cloud: 50%
High level cloud: 21%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 3 / 4 mph 40 / 38°F 27% 1024 mb
Low level cloud: 0%
Mid level cloud: 73%
High level cloud: 73%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 4 / 4 mph 43 / 41°F 26% 1022 mb
Low level cloud: 0%
Mid level cloud: 99%
High level cloud: 3%
Most Significant Cloud Type: medium
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 4 / 7 mph 35 / 31°F 45% 1023 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
21:00

WNW
WNW

 3 / 5 mph 31 / 29°F 51% 1023 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 77%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 17
Feb		00:00

WNW
WNW

 1 / 2 mph 29 / 29°F 52% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 67%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 1 / 1 mph 28 / 28°F 54% 1022 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 2 / 4 mph 28 / 27°F 56% 1022 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
09:00

W
W

 3 / 4 mph 34 / 31°F 50% 1023 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
12:00

WNW
WNW

 7 / 8 mph 41 / 36°F 33% 1022 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 11 / 13 mph 42 / 35°F 34% 1021 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 5 / 6 mph 42 / 38°F 60% 1021 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
21:00

WSW
WSW

 3 / 4 mph 34 / 32°F 73% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 18
Feb		03:00

WSW
WSW

 2 / 3 mph 33 / 32°F 68% 1021 mb
Low level cloud: 0%
Mid level cloud: 91%
High level cloud: 5%
Most Significant Cloud Type: medium
91%
0.0 In
09:00

WNW
WNW

 9 / 15 mph 33 / 26°F 65% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

WSW
WSW

 4 / 5 mph 50 / 49°F 36% 1020 mb
Low level cloud: 0%
Mid level cloud: 65%
High level cloud: 100%
Most Significant Cloud Type: medium
68%
0.0 In
21:00

WSW
WSW

 3 / 3 mph 41 / 40°F 89% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 19
Feb		03:00

NW
NW

 16 / 22 mph 25 / 12°F 48% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
09:00

WNW
WNW

 18 / 22 mph 36 / 26°F 67% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
15:00

WNW
WNW

 18 / 21 mph 45 / 38°F 33% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:00

WNW
WNW

 9 / 11 mph 37 / 30°F 49% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Fri 20
Feb		03:00

NW
NW

 6 / 7 mph 33 / 28°F 34% 1022 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 9%
Most Significant Cloud Type: high
9%
0.0 In
09:00

WSW
WSW

 3 / 3 mph 39 / 37°F 37% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
15:00

NW
NW

 11 / 13 mph 41 / 35°F 26% 1022 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
21:00

SSW
SSW

 1 / 1 mph 40 / 40°F 53% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
Sat 21
Feb		03:00

SE
SE

 1 / 1 mph 36 / 36°F 50% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: medium
5%
0.0 In
09:00

SE
SE

 5 / 5 mph 42 / 40°F 52% 1014 mb
Low level cloud: 5%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
8%
0.0 In
15:00

SW
SW

 7 / 8 mph 53 / 51°F 44% 1015 mb
Low level cloud: 42%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.0 In
21:00

SSW
SSW

 2 / 3 mph 46 / 46°F 92% 1013 mb
Low level cloud: 33%
Mid level cloud: 3%
High level cloud: 6%
Most Significant Cloud Type: low
34%
0.0 In
Sun 22
Feb		03:00

S
S

 4 / 5 mph 42 / 40°F 92% 1017 mb
Low level cloud: 92%
Mid level cloud: 1%
High level cloud: 11%
Most Significant Cloud Type: low
93%
0.0 In
09:00

ESE
ESE

 4 / 5 mph 49 / 47°F 85% 1015 mb
Low level cloud: 19%
Mid level cloud: 11%
High level cloud: 12%
Most Significant Cloud Type: low
24%
0.0 In
15:00

WSW
WSW

 1 / 2 mph 66 / 66°F 50% 1016 mb
Low level cloud: 10%
Mid level cloud: 2%
High level cloud: 10%
Most Significant Cloud Type: low
11%
0.0 In
21:00

SE
SE

 5 / 6 mph 53 / 51°F 85% 1013 mb
Low level cloud: 20%
Mid level cloud: 7%
High level cloud: 12%
Most Significant Cloud Type: low
24%
0.0 In
Mon 23
Feb		03:00

ENE
ENE

 1 / 2 mph 44 / 44°F 84% 1019 mb
Low level cloud: 0%
Mid level cloud: 85%
High level cloud: 30%
Most Significant Cloud Type: medium
85%
0.0 In
09:00

ENE
ENE

 3 / 4 mph 48 / 47°F 98% 1016 mb
Low level cloud: 91%
Mid level cloud: 60%
High level cloud: 20%
Most Significant Cloud Type: low
100%
0.8 In
15:00

NW
NW

 4 / 4 mph 67 / 67°F 41% 1020 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
21:00

NE
NE

 2 / 3 mph 53 / 53°F 86% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: high
14%
0.0 In
Tue 24
Feb		03:00

N
N

 1 / 1 mph 49 / 49°F 72% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
09:00

ESE
ESE

 4 / 6 mph 47 / 45°F 80% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 93%
Most Significant Cloud Type: high
93%
0.0 In
15:00

NW
NW

 6 / 6 mph 64 / 64°F 38% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 37%
Most Significant Cloud Type: high
36%
0.0 In
21:00

NE
NE

 3 / 4 mph 55 / 56°F 81% 1019 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
0.0 In
Wed 25
Feb		03:00

NW
NW

 1 / 1 mph 52 / 52°F 63% 1025 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 100%
Most Significant Cloud Type: medium
11%
0.0 In
09:00

SE
SE

 3 / 5 mph 49 / 48°F 83% 1017 mb
Low level cloud: 96%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
15:00

NW
NW

 2 / 2 mph 67 / 67°F 36% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 29%
Most Significant Cloud Type: high
29%
0.0 In
21:00

WNW
WNW

 11 / 16 mph 40 / 33°F 95% 1014 mb
Low level cloud: 99%
Mid level cloud: 88%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
Thu 26
Feb		03:00

ESE
ESE

 2 / 3 mph 52 / 53°F 65% 1026 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
09:00

NW
NW

 15 / 23 mph 27 / 15°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 91%
Most Significant Cloud Type: high
90%
0.1 In
15:00

S
S

 3 / 4 mph 71 / 71°F 42% 1022 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 19%
Most Significant Cloud Type: medium
17%
0.0 In
21:00

NW
NW

 15 / 23 mph 27 / 15°F 49% 1022 mb
Low level cloud: 96%
Mid level cloud: 46%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.0 In

Other Locations Near to Cheonan

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