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San Juan Weather Forecast

Temperature, wind, rain and more for San Juan

Dominican Republic

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 26
Apr		02:00

SSW
SSW

 1 / 1 mph 72 / 76°F 91% 1015 mb
Low level cloud: 49%
Mid level cloud: 36%
High level cloud: 4%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

W
W

 1 / 1 mph 71 / 71°F 92% 1014 mb
Low level cloud: 41%
Mid level cloud: 45%
High level cloud: 92%
Most Significant Cloud Type: low
67%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
08:00

SSE
SSE

 2 / 2 mph 80 / 80°F 87% 1016 mb
Low level cloud: 28%
Mid level cloud: 30%
High level cloud: 99%
Most Significant Cloud Type: low
50%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
11:00

SSE
SSE

 5 / 6 mph 85 / 86°F 75% 1016 mb
Low level cloud: 9%
Mid level cloud: 32%
High level cloud: 94%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SSE
SSE

 5 / 10 mph 87 / 89°F 70% 1014 mb
Low level cloud: 7%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
67%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
17:00

ESE
ESE

 0 / 1 mph 80 / 81°F 84% 1014 mb
Low level cloud: 10%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
74%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
20:00

NW
NW

 5 / 8 mph 69 / 69°F 90% 1016 mb
Low level cloud: 12%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: medium
86%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
23:00

NNW
NNW

 2 / 2 mph 70 / 70°F 90% 1017 mb
Low level cloud: 8%
Mid level cloud: 44%
High level cloud: 85%
Most Significant Cloud Type: medium
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 27
Apr		02:00

NW
NW

 5 / 8 mph 68 / 68°F 91% 1015 mb
Low level cloud: 17%
Mid level cloud: 22%
High level cloud: 65%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NW
NW

 4 / 6 mph 66 / 66°F 92% 1015 mb
Low level cloud: 21%
Mid level cloud: 12%
High level cloud: 26%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NW
NW

 4 / 4 mph 79 / 79°F 84% 1016 mb
Low level cloud: 10%
Mid level cloud: 9%
High level cloud: 94%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

WNW
WNW

 4 / 4 mph 85 / 87°F 68% 1016 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 63%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NW
NW

 2 / 3 mph 89 / 92°F 57% 1014 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 20%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

S
S

 2 / 4 mph 89 / 92°F 61% 1012 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 8%
Most Significant Cloud Type: medium
28%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:00

NW
NW

 4 / 8 mph 67 / 67°F 85% 1015 mb
Low level cloud: 3%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
23:00

NNW
NNW

 4 / 8 mph 67 / 67°F 91% 1016 mb
Low level cloud: 16%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for San Juan:

The outlook for San Juan in the week ahead shows the average daytime maximum temperature will be around 31°C, with a high for the week of 32°C expected on the afternoon of Friday 3rd. The average minimum temperature will be 19°C, dipping to its lowest on the morning of Thursday 2nd at 17°C. The week will have some days seeing a little precipitation and some days with rain. Predictions are Friday 2nd will have the most precipitation with an accumulation of around 19.0mm. 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