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Local Weather

San Juan Weather Forecast

Temperature, wind, rain and more for San Juan

Puerto Rico

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 23
Jul		02:00

ESE
ESE

 9 / 3 mph 82 / 91°F 85% 1016 mb
Low level cloud: 40%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
05:00

ESE
ESE

 9 / 2 mph 81 / 88°F 84% 1016 mb
Low level cloud: 38%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
08:00

ESE
ESE

 12 / 7 mph 87 / 94°F 81% 1017 mb
Low level cloud: 38%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
39%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
11:00

E
E

 14 / 19 mph 90 / 105°F 74% 1017 mb
Low level cloud: 21%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
14:00

E
E

 14 / 23 mph 90 / 103°F 71% 1017 mb
Low level cloud: 32%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
40%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
17:00

E
E

 14 / 19 mph 88 / 99°F 74% 1016 mb
Low level cloud: 8%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
20:00

E
E

 12 / 13 mph 84 / 94°F 80% 1016 mb
Low level cloud: 6%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: low
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
23:00

E
E

 13 / 14 mph 83 / 92°F 82% 1018 mb
Low level cloud: 29%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 24
Jul		02:00

ESE
ESE

 13 / 13 mph 82 / 90°F 82% 1016 mb
Low level cloud: 27%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
27%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
05:00

ESE
ESE

 13 / 12 mph 81 / 87°F 81% 1016 mb
Low level cloud: 37%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
08:00

E
E

 15 / 13 mph 86 / 93°F 77% 1018 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
11:00

E
E

 15 / 21 mph 90 / 104°F 72% 1018 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
14:00

E
E

 15 / 23 mph 90 / 103°F 71% 1018 mb
Low level cloud: 25%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
17:00

E
E

 14 / 23 mph 88 / 99°F 73% 1016 mb
Low level cloud: 24%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
20:00

E
E

 13 / 17 mph 83 / 91°F 79% 1018 mb
Low level cloud: 20%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
23:00

E
E

 13 / 13 mph 83 / 92°F 81% 1019 mb
Low level cloud: 29%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 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 morning of Sunday 23rd. The average minimum temperature will be 27°C, dipping to its lowest on the evening of Sunday 30th at 27°C. Expect the next week to have mixed weather with some days dry and some seeing a little rain. It looks like Friday 30th will have the most precipitation with an accumulation of around 5.0mm. 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