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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
Sat 21
Dec		05:00

NNW
NNW

 2 / 4 mph 63 / 63°F 91% 1014 mb
Low level cloud: 7%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NNW
NNW

 2 / 4 mph 69 / 67°F 89% 1016 mb
Low level cloud: 4%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

W
W

 1 / 2 mph 83 / 85°F 75% 1017 mb
Low level cloud: 9%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

S
S

 1 / 2 mph 86 / 89°F 68% 1013 mb
Low level cloud: 47%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

SW
SW

 1 / 1 mph 84 / 86°F 76% 1013 mb
Low level cloud: 24%
Mid level cloud: 40%
High level cloud: 8%
Most Significant Cloud Type: low
39%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:00

WNW
WNW

 5 / 10 mph 66 / 66°F 92% 1016 mb
Low level cloud: 21%
Mid level cloud: 44%
High level cloud: 20%
Most Significant Cloud Type: low
38%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
23:00

NW
NW

 5 / 9 mph 66 / 66°F 94% 1017 mb
Low level cloud: 33%
Mid level cloud: 46%
High level cloud: 11%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 22
Dec		02:00

NW
NW

 4 / 8 mph 65 / 65°F 95% 1016 mb
Low level cloud: 34%
Mid level cloud: 31%
High level cloud: 29%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NW
NW

 5 / 9 mph 65 / 65°F 95% 1016 mb
Low level cloud: 38%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NW
NW

 3 / 5 mph 70 / 68°F 93% 1018 mb
Low level cloud: 28%
Mid level cloud: 33%
High level cloud: 88%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

WNW
WNW

 3 / 3 mph 80 / 82°F 81% 1019 mb
Low level cloud: 6%
Mid level cloud: 28%
High level cloud: 98%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

SSW
SSW

 1 / 2 mph 81 / 83°F 80% 1016 mb
Low level cloud: 3%
Mid level cloud: 36%
High level cloud: 78%
Most Significant Cloud Type: medium
47%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:00

N
N

 0 / 0 mph 77 / 78°F 90% 1016 mb
Low level cloud: 16%
Mid level cloud: 21%
High level cloud: 99%
Most Significant Cloud Type: low
35%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:00

NW
NW

 1 / 2 mph 67 / 67°F 89% 1018 mb
Low level cloud: 2%
Mid level cloud: 28%
High level cloud: 66%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NW
NW

 4 / 8 mph 66 / 66°F 91% 1018 mb
Low level cloud: 12%
Mid level cloud: 30%
High level cloud: 8%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for San Juan:

Reviewing the forecast for San Juan Over the next 7 days and the average daytime maximum temperature will be around 29°C, with a high for the week of 30°C expected on the afternoon of Saturday 21st. The average minimum temperature will be 17°C, dipping to its lowest on the morning of Saturday 28th at 12°C. Expect the next week to have some days seeing a little precipitation and some days with rain. The current forecast indicates Tuesday 28th will have the most precipitation with an accumulation of around 8.0mm. 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