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National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 4:29 am AST Jul 30, 2015 

Hazardous Weather Outlook
 

Today

Today: Isolated showers.  Mostly sunny, with a high near 88. Heat index values as high as 98. East wind 13 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.Isolated
Showers
Tonight

Tonight: Isolated showers.  Partly cloudy, with a low around 79. East wind 10 to 13 mph.  Chance of precipitation is 20%.Isolated
Showers
Friday

Friday: Isolated showers, then scattered showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. East wind 14 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Scattered
Showers
Friday
Night
Friday Night: Scattered showers and thunderstorms before 9pm, then isolated showers.  Partly cloudy, with a low around 79. East wind 10 to 13 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Scattered
Showers
Saturday

Saturday: Isolated showers.  Sunny, with a high near 90. East wind 13 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.Isolated
Showers
Saturday
Night
Saturday Night: Isolated showers.  Mostly clear, with a low around 78. East wind around 10 mph.  Chance of precipitation is 20%.Isolated
Showers
Sunday

Sunday: Isolated showers.  Mostly sunny, with a high near 86. East wind 11 to 13 mph.  Chance of precipitation is 20%.Isolated
Showers
Sunday
Night
Sunday Night: Isolated showers.  Partly cloudy, with a low around 77. East wind around 10 mph.  Chance of precipitation is 20%.Isolated
Showers
Monday

Monday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 90. East southeast wind 11 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.Scattered
Showers
Hi 88 °FLo 79 °FHi 89 °FLo 79 °FHi 90 °FLo 78 °FHi 86 °FLo 77 °FHi 90 °F

National Weather Service Forecast Details

 


GRLevel3 Radar

  [10/10
GRLevel3 radar from NWS station TJUA

 

Local Radar

 

 

Caribbean Sea Satellite

 

Tropical Weather Outlook

000
ABNT20 KNHC 301141
TWOAT

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT THU JUL 30 2015

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

A tropical wave accompanied by a broad area of low pressure is
located a couple of hundred miles southwest of the Cape Verde
Islands.  Although this system is currently producing a large area
of showers and thunderstorms, further development, if any, should be
slow to occur while it moves westward near 15 mph during the next
several days.
* Formation chance through 48 hours...low...10 percent
* Formation chance through 5 days...low...30 percent

An elongated area of low pressure located a couple of hundred
miles east of the Georgia coast is accompanied by disorganized
shower and thunderstorm activity.  The low is expected to move
northeastward parallel to the southeastern coast of the United
States with no significant development, and is forecast to merge
with a frontal system by Friday.
* Formation chance through 48 hours...low...10 percent
* Formation chance through 5 days...low...10 percent

$$
Forecaster Stewart
 

 

 

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