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National Weather Service Today's Weather Impact Levels

National Weather Service Five Day Forecast for: San Juan, Puerto Rico  

Updated: 2:17 pm AST Oct 23, 2018 

Hazardous Weather Outlook
 

Tonight

Tonight: Scattered showers, mainly after midnight.  Mostly cloudy, with a low around 77. South southeast wind around 7 mph.  Chance of precipitation is 40%.
Scattered
Showers
Wednesday

Wednesday: Isolated showers.  Mostly sunny, with a high near 89. East northeast wind 6 to 13 mph.  Chance of precipitation is 20%.
Isolated
Showers
Wednesday
Night
Wednesday Night: Isolated showers.  Partly cloudy, with a low around 76. East wind 5 to 7 mph becoming south after midnight.  Chance of precipitation is 20%.
Isolated
Showers
Thursday

Thursday: Isolated showers.  Mostly sunny, with a high near 87. Light and variable wind becoming northeast 5 to 10 mph in the morning.  Chance of precipitation is 20%.
Isolated
Showers
Thursday
Night
Thursday Night: Isolated showers.  Partly cloudy, with a low around 76. South wind around 6 mph.  Chance of precipitation is 20%.
Isolated
Showers
Friday

Friday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 90. Southeast wind 5 to 13 mph becoming east northeast in the morning.  Chance of precipitation is 30%.
Scattered
Showers
Friday
Night
Friday Night: Partly cloudy, with a low around 76. East southeast wind 7 to 10 mph.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 89. East wind 7 to 10 mph.
Mostly Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 76. East southeast wind around 8 mph.
Mostly Clear
Lo 77 °FHi 89 °FLo 76 °FHi 87 °FLo 76 °FHi 90 °FLo 76 °FHi 89 °FLo 76 °F

National Weather Service Forecast Details

 

 

Caribbean Sea Satellite

 

 

 

GRLevel3 Radar

  [10/10
GRLevel3 radar from NWS station TJUA

 

NWS San Juan TJUA Doppler Radar

 

Weather Summary for Puerto Rico

000
AWCA82 TJSJ 232102
RWSPR

Weather Summary for Puerto Rico
National Weather Service San Juan PR
502 PM AST Tue Oct 23 2018

Partly skies prevailed across the region today with moderate to
heavy rainfall observed over the interior and western areas of
Puerto Rico. Doppler radar estimates show rainfall accumulations
of 2 to 3 inches for some areas of the interior and western Puerto
Rico. Overnight low temperatures will be near the upper 70s to
lower 80s near the coastal areas, and in higher elevations
temperatures will be near the middle 60s to lower 70s. Winds will
be out of the east at 5 to 10 mph. Some showers are possible
during the overnight and early morning hours mainly across the
northern and northeast Puerto Rico.

Wednesday showers are forecast to develop over the northeast,
interior and western areas of Puerto Rico during the afternoon and
drift slowly to the west. As a result of light low-level steering
flow these showers could cause urban and small stream flooding.

Tomorrow daytime high temperatures will range from the upper 80s
across lower elevations to the upper 70s to around 80 degrees
across higher elevations.

Across the regional waters...mariners can expect seas between 3 to
5 feet with winds up to 15 knots.

$$

This product is issued around 5 AM and 5 PM each day and weather
conditions may change between issuances. Please verify the status
of any Watches...Warnings or Advisories mentioned in this product.

NWS SJU Office Area Forecast Discussion

 

 

Tropical Weather Outlook

 

 

 

Satellite Imagery

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Long-wave Infrared Imagery for Atlantic Ocean (GOES16)

Courtesy of College of Dupage

 

 

 

Global Tropics Hazards and Benefits Outlook (Click image for more details)

 

Saharan Air Layer

 

Wind Shear Tendency

 

Sea Surface Temperatures

 

Sea Surface Temperatures Anomalies

 

MJO Forecast

 

 


 


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