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Manassas Weather Forecast

Temperature, wind, rain and more for Manassas

Virginia, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 02
Aug		04:00

N
N

 4 / 8 mph 63 / 63°F 96% 1023 mb
Low level cloud: 15%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

 6 / 8 mph 67 / 64°F 75% 1025 mb
Low level cloud: 2%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 6 / 6 mph 78 / 77°F 60% 1024 mb
Low level cloud: 8%
Mid level cloud: 8%
High level cloud: 19%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

 7 / 8 mph 83 / 80°F 43% 1022 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 20%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 7 / 8 mph 83 / 81°F 44% 1021 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 10%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

 5 / 10 mph 74 / 76°F 67% 1022 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 1%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 4 / 9 mph 67 / 67°F 71% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: high
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 03
Aug		01:00

N
N

 4 / 9 mph 62 / 62°F 77% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

 4 / 9 mph 59 / 59°F 81% 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
07:00

N
N

 4 / 6 mph 66 / 64°F 74% 1023 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
10:00

NE
NE

 4 / 4 mph 79 / 78°F 56% 1023 mb
Low level cloud: 11%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

 4 / 4 mph 86 / 82°F 40% 1021 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

 7 / 8 mph 85 / 82°F 40% 1019 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 19%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

 6 / 11 mph 74 / 76°F 65% 1020 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

 2 / 4 mph 69 / 69°F 71% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Manassas:

The outlook for Manassas in the week ahead shows the average daytime maximum temperature will be around 31°C, with a high for the week of 33°C expected on the afternoon of Saturday 9th. The average minimum temperature will be 17°C, dipping to its lowest on the morning of Sunday 3rd at 14°C. Expect the coming week to remain predominantly dry. On the whole winds are likely to be light.

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