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

Updated: 9:00 pm AST Mar 19, 2019 

Hazardous Weather Outlook
 

Overnight

Overnight: Isolated showers.  Mostly clear, with a low around 73. Southeast wind around 6 mph.  Chance of precipitation is 10%.
Isolated
Showers
Wednesday

Wednesday: Scattered showers.  Mostly sunny, with a high near 87. Southeast wind 8 to 16 mph becoming east northeast in the afternoon.  Chance of precipitation is 30%.
Scattered
Showers
Wednesday
Night
Wednesday Night: Isolated showers.  Partly cloudy, with a low around 74. East wind around 8 mph.  Chance of precipitation is 20%.
Isolated
Showers
Thursday

Thursday: Isolated showers.  Sunny, with a high near 89. East wind 9 to 15 mph.  Chance of precipitation is 10%.
Isolated
Showers
Thursday
Night
Thursday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming southwest after midnight.  Chance of precipitation is 30%.
Scattered
Showers
Friday

Friday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 88. East wind 10 to 17 mph.  Chance of precipitation is 30%.
Scattered
Showers
Friday
Night
Friday Night: Partly cloudy, with a low around 74. East southeast wind 8 to 10 mph.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 86. East wind 10 to 13 mph.
Mostly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 73.
Partly Cloudy
Lo 73 °FHi 87 °FLo 74 °FHi 89 °FLo 72 °FHi 88 °FLo 74 °FHi 86 °FLo 73 °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 192137
RWSPR

Weather Summary for Puerto Rico
National Weather Service San Juan PR
537 PM AST Tue Mar 19 2019


Dry stable weather was observed today across the island, with
Partly cloudy skies. Winds were out of the east to southeast winds
at 10 to 15 mph. Visible satellite imagery shows streamers
developing across the interior and western areas of Puerto Rico
this afternoon. This could lead to isolated to scattered showers
over the next several hours. Otherwise the drier weather is
forecast to continue through this evening.

Today`s high temperatures were near the middle to upper 80s near
coastal locations, and the lower to middle 70s in higher
locations. Tonight temperatures will fall to the upper 60s to
lower 70`s near the coast, and lower to middle 60s in higher
elevations.

Tomorrow a shallow patch of moisture is forecast to move across
the area during the afternoon. This will increase the likely-hood
for isolated to scattered showers. However the mid and upper-level
of the atmosphere will remain devoid of significant moisture.
Therefore any showers that develop will be short-lived with light
rainfall amounts.

A mid-level ridge will continue to hold over the region over the
next several days, then a trough currently east of the Bahamas
will continue to move to the northeast. This trough will cause the
ridge to slightly weaken during the end of the week.


Across the regional waters, the northeasterly swell of 4-5 feet
will continue to subside tonight. Seas will range from 3 to 5 feet
across the local and outer waters over the next several days.
forecast to gradually subside today.

$$

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.

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