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St. John Weather Forecast

Temperature, wind, rain and more for St. John

Virgin Islands

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 19
Apr		02:00

NE
NE

 9 / 13 mph 79 / 82°F 75% 1012 mb
Low level cloud: 48%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NNE
NNE

 5 / 8 mph 77 / 80°F 73% 1013 mb
Low level cloud: 3%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
28%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
08:00

NNE
NNE

 6 / 9 mph 82 / 82°F 73% 1014 mb
Low level cloud: 27%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

NNE
NNE

 6 / 6 mph 88 / 92°F 70% 1015 mb
Low level cloud: 51%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NNE
NNE

 7 / 8 mph 89 / 97°F 70% 1013 mb
Low level cloud: 40%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NNE
NNE

 7 / 8 mph 89 / 96°F 70% 1013 mb
Low level cloud: 54%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NNE
NNE

 12 / 14 mph 84 / 91°F 73% 1014 mb
Low level cloud: 64%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NE
NE

 14 / 17 mph 82 / 89°F 76% 1015 mb
Low level cloud: 54%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 20
Apr		17:00

NE
NE

 13 / 16 mph 85 / 91°F 76% 1014 mb
Low level cloud: 63%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

ENE
ENE

 14 / 16 mph 82 / 88°F 77% 1015 mb
Low level cloud: 50%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

ENE
ENE

 15 / 17 mph 80 / 86°F 77% 1016 mb
Low level cloud: 63%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In

Other Locations Near to St. John

The 7 day weather forecast summary for St. John:

The next 7 day outlook for St. John shows the average daytime maximum temperature will be around 30°C, with a high for the week of 30°C expected on the afternoon of Monday 22nd. The average minimum temperature will be 26°C, dipping to its lowest on the morning of Sunday 21st at 26°C. The week will have some days seeing a little precipitation and some days with rain. Predictions are Wednesday 21st will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be moderate.

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