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Occoquan Reservoir 14 Day Long Range Forecast

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

Virginia, United States Of America

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

For Occoquan Reservoir in the coming two weeks the average daytime maximum temperature will be around 4°C, with a high for the two weeks of 7°C expected on the morning of Thursday 27th. The mean minimum temperature will be 0°C, dipping to its lowest on the morning of Thursday 4th at -5°C. The coming 14 days will have mixed overhead conditions with some days dry and some seeing a significant amount of rain or snow. Current predictions suggest Tuesday 2nd will have the most precipitation with an accumulation of around 29.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 27
Nov		13:00

WNW
WNW

 11 / 13 mph 43 / 37°F 38% 1018 mb
Low level cloud: 0%
Mid level cloud: 96%
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

WNW
WNW

 10 / 12 mph 42 / 37°F 42% 1017 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 99%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 9 / 13 mph 39 / 33°F 46% 1018 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 9 / 10 mph 38 / 31°F 53% 1019 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
Fri 28
Nov		01:00

W
W

 9 / 11 mph 34 / 28°F 56% 1018 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
04:00

W
W

 11 / 15 mph 32 / 24°F 50% 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
07:00

W
W

 11 / 14 mph 31 / 23°F 49% 1020 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
10:00

WNW
WNW

 13 / 16 mph 36 / 27°F 39% 1022 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

 14 / 16 mph 40 / 32°F 31% 1021 mb
Low level cloud: 0%
Mid level cloud: 44%
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

WNW
WNW

 11 / 15 mph 40 / 33°F 35% 1023 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 9 / 11 mph 37 / 30°F 45% 1026 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

WNW
WNW

 9 / 11 mph 34 / 26°F 51% 1028 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
Sat 29
Nov		01:00

WNW
WNW

 8 / 11 mph 32 / 24°F 56% 1029 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
04:00

WNW
WNW

 8 / 12 mph 29 / 22°F 59% 1031 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

WNW
WNW

 6 / 10 mph 29 / 22°F 62% 1033 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
10:00

NW
NW

 7 / 9 mph 36 / 29°F 45% 1035 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 7%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 4 / 4 mph 42 / 39°F 33% 1032 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

 2 / 3 mph 42 / 41°F 37% 1032 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 1%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 5 / 8 mph 35 / 31°F 50% 1032 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 8%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 6 / 10 mph 32 / 27°F 58% 1031 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 33%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 30
Nov		01:00

SSE
SSE

 9 / 13 mph 34 / 27°F 53% 1029 mb
Low level cloud: 0%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

 9 / 14 mph 35 / 28°F 55% 1027 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 12%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 9 / 14 mph 35 / 28°F 56% 1024 mb
Low level cloud: 2%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: medium
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 11 / 16 mph 37 / 30°F 63% 1023 mb
Low level cloud: 92%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 10 / 15 mph 40 / 34°F 75% 1020 mb
Low level cloud: 92%
Mid level cloud: 88%
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

SW
SW

 10 / 15 mph 43 / 37°F 80% 1019 mb
Low level cloud: 16%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 6 / 10 mph 41 / 37°F 91% 1022 mb
Low level cloud: 62%
Mid level cloud: 7%
High level cloud: 32%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 12 / 18 mph 38 / 31°F 63% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 01
Dec		01:00

NW
NW

 10 / 11 mph 38 / 31°F 66% 1026 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
04:00

NW
NW

 10 / 13 mph 33 / 25°F 68% 1028 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
07:00

NNW
NNW

 8 / 12 mph 31 / 24°F 68% 1029 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
10:00

NNW
NNW

 10 / 12 mph 36 / 28°F 50% 1031 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 9%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

 8 / 9 mph 40 / 35°F 40% 1029 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 7%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 5 / 6 mph 40 / 36°F 45% 1028 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 16%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 4 / 5 mph 37 / 33°F 63% 1028 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 54%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

 4 / 6 mph 34 / 30°F 64% 1027 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 100%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 02
Dec		01:00

E
E

 4 / 8 mph 32 / 28°F 65% 1025 mb
Low level cloud: 0%
Mid level cloud: 70%
High level cloud: 100%
Most Significant Cloud Type: medium
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 3 / 5 mph 31 / 28°F 97% 1022 mb
Low level cloud: 87%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

NE
NE

 4 / 7 mph 31 / 26°F 100% 1019 mb
Low level cloud: 94%
Mid level cloud: 77%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
10:00

NE
NE

 5 / 9 mph 33 / 28°F 100% 1014 mb
Low level cloud: 98%
Mid level cloud: 73%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
13:00

NNW
NNW

 9 / 10 mph 35 / 28°F 98% 1010 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
16:00

NNW
NNW

 9 / 10 mph 35 / 28°F 96% 1009 mb
Low level cloud: 96%
Mid level cloud: 82%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

NNW
NNW

 7 / 9 mph 35 / 29°F 96% 1011 mb
Low level cloud: 67%
Mid level cloud: 47%
High level cloud: 21%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

 5 / 7 mph 34 / 29°F 95% 1012 mb
Low level cloud: 14%
Mid level cloud: 29%
High level cloud: 2%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 03
Dec		01:00

NW
NW

 4 / 10 mph 27 / 21°F 96% 1014 mb
Low level cloud: 4%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 7 / 14 mph 28 / 20°F 91% 1016 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

 7 / 13 mph 28 / 21°F 90% 1018 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 2%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 7 / 11 mph 33 / 27°F 89% 1022 mb
Low level cloud: 0%
Mid level cloud: 5%
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

NNW
NNW

 7 / 10 mph 35 / 29°F 90% 1022 mb
Low level cloud: 3%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 1 / 1 mph 34 / 34°F 98% 1023 mb
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 1 / 2 mph 29 / 29°F 99% 1024 mb
Low level cloud: 23%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 1 / 2 mph 28 / 28°F 99% 1025 mb
Low level cloud: 29%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 04
Dec		01:00

NE
NE

 3 / 4 mph 35 / 33°F 78% 1033 mb
Low level cloud: 16%
Mid level cloud: 65%
High level cloud: 58%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

NW
NW

 3 / 4 mph 31 / 28°F 93% 1031 mb
Low level cloud: 0%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: medium
53%
0.0 In
13:00

SW
SW

 6 / 6 mph 39 / 35°F 97% 1024 mb
Low level cloud: 53%
Mid level cloud: 6%
High level cloud: 22%
Most Significant Cloud Type: low
100%
0.0 In
19:00

SW
SW

 3 / 3 mph 46 / 46°F 98% 1020 mb
Low level cloud: 12%
Mid level cloud: 14%
High level cloud: 73%
Most Significant Cloud Type: low
100%
0.0 In
Fri 05
Dec		01:00

WSW
WSW

 4 / 7 mph 41 / 39°F 87% 1020 mb
Low level cloud: 15%
Mid level cloud: 45%
High level cloud: 22%
Most Significant Cloud Type: medium
86%
0.0 In
07:00

NNW
NNW

 4 / 4 mph 37 / 34°F 85% 1021 mb
Low level cloud: 77%
Mid level cloud: 67%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.0 In
13:00

N
N

 7 / 9 mph 43 / 38°F 57% 1026 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 21%
Most Significant Cloud Type: medium
27%
0.0 In
19:00

SE
SE

 4 / 4 mph 42 / 40°F 90% 1023 mb
Low level cloud: 10%
Mid level cloud: 24%
High level cloud: 88%
Most Significant Cloud Type: medium
54%
0.0 In
Sat 06
Dec		01:00

ESE
ESE

 6 / 6 mph 37 / 32°F 99% 1020 mb
Low level cloud: 95%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
07:00

SSE
SSE

 3 / 4 mph 42 / 41°F 100% 1011 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
13:00

W
W

 5 / 6 mph 41 / 38°F 96% 1012 mb
Low level cloud: 72%
Mid level cloud: 35%
High level cloud: 11%
Most Significant Cloud Type: low
85%
0.2 In
19:00

WNW
WNW

 9 / 15 mph 45 / 40°F 87% 1005 mb
Low level cloud: 75%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
79%
0.2 In
Sun 07
Dec		01:00

NW
NW

 11 / 21 mph 35 / 27°F 81% 1013 mb
Low level cloud: 3%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

WNW
WNW

 4 / 4 mph 40 / 37°F 88% 1020 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 62%
Most Significant Cloud Type: medium
5%
0.0 In
13:00

NW
NW

 11 / 13 mph 39 / 32°F 66% 1019 mb
Low level cloud: 56%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
56%
0.0 In
19:00

S
S

 7 / 12 mph 42 / 37°F 85% 1018 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
Mon 08
Dec		01:00

W
W

 2 / 3 mph 33 / 31°F 83% 1024 mb
Low level cloud: 57%
Mid level cloud: 18%
High level cloud: 14%
Most Significant Cloud Type: low
65%
0.0 In
07:00

SSW
SSW

 12 / 18 mph 48 / 42°F 84% 1006 mb
Low level cloud: 33%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
76%
0.0 In
13:00

SSW
SSW

 11 / 12 mph 44 / 38°F 70% 1021 mb
Low level cloud: 69%
Mid level cloud: 0%
High level cloud: 72%
Most Significant Cloud Type: low
77%
0.0 In
19:00

WSW
WSW

 5 / 6 mph 59 / 59°F 95% 1006 mb
Low level cloud: 1%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Tue 09
Dec		01:00

SSW
SSW

 5 / 8 mph 42 / 39°F 95% 1016 mb
Low level cloud: 23%
Mid level cloud: 55%
High level cloud: 100%
Most Significant Cloud Type: low
54%
0.0 In
07:00

W
W

 6 / 8 mph 52 / 50°F 89% 1004 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
13:00

WSW
WSW

 5 / 5 mph 53 / 52°F 72% 1008 mb
Low level cloud: 6%
Mid level cloud: 61%
High level cloud: 8%
Most Significant Cloud Type: medium
77%
0.0 In
19:00

WNW
WNW

 14 / 19 mph 38 / 29°F 57% 1015 mb
Low level cloud: 3%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
6%
0.0 In
Wed 10
Dec		01:00

NW
NW

 7 / 10 mph 48 / 44°F 86% 1012 mb
Low level cloud: 48%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.0 In
07:00

NNW
NNW

 11 / 13 mph 32 / 24°F 65% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

SW
SW

 5 / 6 mph 60 / 60°F 62% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

SSE
SSE

 4 / 5 mph 40 / 37°F 54% 1024 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 32%
Most Significant Cloud Type: high
31%
0.0 In
Thu 11
Dec		01:00

W
W

 5 / 9 mph 48 / 46°F 89% 1015 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 93%
Most Significant Cloud Type: high
92%
0.0 In
07:00

S
S

 7 / 8 mph 37 / 32°F 64% 1019 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: medium
29%
0.0 In
13:00

NW
NW

 3 / 3 mph 59 / 60°F 46% 1020 mb
Low level cloud: 0%
Mid level cloud: 50%
High level cloud: 35%
Most Significant Cloud Type: medium
51%
0.0 In
19:00

N
N

 7 / 8 mph 41 / 37°F 98% 1010 mb
Low level cloud: 98%
Mid level cloud: 70%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.8 In
Fri 12
Dec		01:00

E
E

 3 / 4 mph 48 / 48°F 71% 1023 mb
Low level cloud: 23%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
07:00

WNW
WNW

 14 / 22 mph 33 / 23°F 65% 1018 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: high
22%
0.2 In
13:00

SSE
SSE

 6 / 7 mph 50 / 48°F 56% 1023 mb
Low level cloud: 56%
Mid level cloud: 26%
High level cloud: 4%
Most Significant Cloud Type: low
65%
0.0 In
19:00

NW
NW

 9 / 11 mph 39 / 33°F 58% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
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.
(More Info)

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