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Rialto 14 Day Long Range Forecast

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

California, United States Of America

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

The outlook for Rialto in the two weeks ahead shows the average daytime maximum temperature will be around 27°C, with a high for the two weeks of 32°C expected on the afternoon of Sunday 5th. The mean minimum temperature will be 13°C, dipping to its lowest on the morning of Friday 3rd at 10°C. The next 14 days will remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 30
Mar
13:00

SW
SW

7 / 8 mph 86 / 79°F 22% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 56%
Most Significant Cloud Type: high
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

9 / 10 mph 80 / 78°F 34% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 85%
Most Significant Cloud Type: high
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

5 / 6 mph 70 / 70°F 52% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 55%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

2 / 4 mph 62 / 62°F 64% 1015 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 78%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 31
Mar
01:00

SSE
SSE

2 / 3 mph 60 / 60°F 68% 1014 mb
Low level cloud: 0%
Mid level cloud: 35%
High level cloud: 22%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

3 / 4 mph 59 / 60°F 68% 1014 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

3 / 4 mph 69 / 67°F 63% 1015 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 83%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

6 / 7 mph 75 / 76°F 46% 1015 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 91%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

9 / 11 mph 76 / 76°F 43% 1013 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 84%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

12 / 14 mph 75 / 76°F 39% 1012 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 99%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

9 / 11 mph 68 / 68°F 54% 1013 mb
Low level cloud: 0%
Mid level cloud: 49%
High level cloud: 91%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

8 / 9 mph 64 / 64°F 59% 1014 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 43%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 01
Apr
01:00

S
S

3 / 4 mph 58 / 59°F 68% 1014 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

3 / 4 mph 54 / 54°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

2 / 2 mph 63 / 61°F 67% 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
10:00

S
S

5 / 6 mph 72 / 70°F 45% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

11 / 12 mph 76 / 76°F 34% 1013 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
16:00

SW
SW

11 / 13 mph 75 / 76°F 37% 1012 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

9 / 10 mph 65 / 63°F 60% 1014 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
22:00

S
S

5 / 6 mph 61 / 62°F 71% 1015 mb
Low level cloud: 30%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 02
Apr
01:00

SSE
SSE

5 / 6 mph 60 / 60°F 77% 1014 mb
Low level cloud: 12%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

5 / 6 mph 55 / 54°F 78% 1013 mb
Low level cloud: 21%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

5 / 6 mph 59 / 57°F 75% 1014 mb
Low level cloud: 65%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

4 / 5 mph 65 / 62°F 65% 1014 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
13:00

SW
SW

4 / 5 mph 72 / 69°F 47% 1012 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

8 / 9 mph 72 / 70°F 45% 1010 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 39%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

6 / 7 mph 63 / 60°F 71% 1012 mb
Low level cloud: 23%
Mid level cloud: 15%
High level cloud: 13%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

5 / 5 mph 60 / 60°F 78% 1013 mb
Low level cloud: 71%
Mid level cloud: 7%
High level cloud: 21%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 03
Apr
01:00

E
E

4 / 4 mph 58 / 58°F 79% 1013 mb
Low level cloud: 46%
Mid level cloud: 4%
High level cloud: 12%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

2 / 4 mph 50 / 50°F 73% 1014 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 33%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

4 / 5 mph 62 / 60°F 52% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: high
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

14 / 16 mph 72 / 71°F 18% 1015 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
13:00

NNE
NNE

13 / 15 mph 78 / 75°F 13% 1014 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
16:00

NNE
NNE

14 / 16 mph 79 / 75°F 9% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: high
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

9 / 17 mph 63 / 62°F 13% 1015 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

NNE
NNE

6 / 14 mph 58 / 57°F 15% 1017 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
Sat 04
Apr
01:00

NNE
NNE

6 / 12 mph 55 / 53°F 15% 1017 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
04:00

NNE
NNE

6 / 12 mph 52 / 50°F 14% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

6 / 6 mph 64 / 63°F 13% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

6 / 6 mph 81 / 76°F 8% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

5 / 6 mph 88 / 81°F 7% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

2 / 3 mph 87 / 81°F 9% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: high
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

3 / 5 mph 68 / 66°F 19% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: high
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

3 / 6 mph 62 / 62°F 21% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
Apr
01:00

N
N

3 / 7 mph 58 / 59°F 19% 1016 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

5 / 10 mph 57 / 56°F 16% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: high
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

4 / 5 mph 68 / 66°F 13% 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

NW
NW

2 / 2 mph 85 / 79°F 8% 1015 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
13:00

W
W

5 / 6 mph 89 / 83°F 7% 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
16:00

WSW
WSW

11 / 12 mph 89 / 83°F 8% 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
19:00

WSW
WSW

4 / 5 mph 75 / 72°F 18% 1013 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
22:00

ENE
ENE

1 / 2 mph 63 / 63°F 23% 1014 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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 06
Apr
04:00

SSE
SSE

1 / 1 mph 61 / 61°F 29% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
10:00

SW
SW

5 / 6 mph 77 / 75°F 22% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
0.0 In
16:00

WSW
WSW

6 / 7 mph 87 / 85°F 32% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
22:00

S
S

3 / 3 mph 63 / 63°F 68% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Tue 07
Apr
04:00

SE
SE

3 / 4 mph 58 / 58°F 82% 1012 mb
Low level cloud: 19%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.0 In
10:00

SW
SW

4 / 5 mph 83 / 81°F 29% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 5%
Most Significant Cloud Type: high
4%
0.0 In
16:00

WSW
WSW

9 / 11 mph 87 / 83°F 19% 1011 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
22:00

SW
SW

1 / 1 mph 67 / 67°F 51% 1015 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.0 In
Wed 08
Apr
04:00

SSW
SSW

2 / 3 mph 58 / 59°F 60% 1013 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
0.0 In
10:00

WSW
WSW

4 / 4 mph 85 / 82°F 22% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
16:00

SW
SW

10 / 12 mph 77 / 77°F 32% 1010 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
22:00

SW
SW

1 / 1 mph 68 / 68°F 48% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 09
Apr
04:00

SE
SE

3 / 4 mph 61 / 61°F 77% 1012 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.0 In
10:00

SW
SW

5 / 6 mph 85 / 82°F 26% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
16:00

WSW
WSW

7 / 8 mph 75 / 77°F 48% 1008 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 84%
Most Significant Cloud Type: medium
13%
0.0 In
22:00

SW
SW

0 / 1 mph 69 / 69°F 45% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Fri 10
Apr
04:00

S
S

6 / 8 mph 60 / 60°F 83% 1007 mb
Low level cloud: 87%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
10:00

SW
SW

5 / 5 mph 85 / 82°F 27% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: high
15%
0.0 In
16:00

SSW
SSW

9 / 12 mph 65 / 65°F 57% 1006 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: medium
45%
0.0 In
22:00

SW
SW

3 / 3 mph 68 / 68°F 50% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Sat 11
Apr
04:00

SSE
SSE

4 / 6 mph 53 / 52°F 80% 1010 mb
Low level cloud: 25%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
10:00

SW
SW

4 / 5 mph 75 / 77°F 48% 1013 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 99%
Most Significant Cloud Type: medium
47%
0.0 In
16:00

SW
SW

20 / 27 mph 59 / 60°F 37% 1009 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
22:00

SW
SW

1 / 1 mph 66 / 66°F 68% 1012 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Sun 12
Apr
04:00

ESE
ESE

2 / 3 mph 48 / 49°F 63% 1015 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
10:00

W
W

4 / 4 mph 85 / 84°F 37% 1013 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
16:00

SW
SW

10 / 13 mph 68 / 68°F 20% 1014 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
22:00

SSW
SSW

1 / 2 mph 69 / 69°F 67% 1015 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Mon 13
Apr
04:00

NNE
NNE

3 / 4 mph 48 / 48°F 55% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
1%
0.0 In
10:00

SW
SW

6 / 7 mph 82 / 83°F 45% 1015 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 88%
Most Significant Cloud Type: medium
5%
0.0 In
16:00

WSW
WSW

5 / 7 mph 80 / 77°F 13% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
22:00

SW
SW

3 / 4 mph 68 / 68°F 67% 1016 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 9%
Most Significant Cloud Type: medium
8%
0.0 In
Tue 14
Apr
04:00

NNE
NNE

4 / 6 mph 54 / 54°F 32% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
10:00

SW
SW

5 / 6 mph 81 / 81°F 43% 1014 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
16:00

WSW
WSW

8 / 11 mph 84 / 80°F 10% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
22:00

SW
SW

3 / 3 mph 64 / 64°F 72% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
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