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National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 5:48 am AST Nov 18, 2017 

Hazardous Weather Outlook
 

Today

Today: Scattered showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 9 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. Scattered
Showers then
Showers
Likely
Tonight

Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 77. South wind around 7 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. Scattered
Showers

Sunday

Sunday: Scattered showers before 8am, then scattered showers and thunderstorms between 8am and 2pm, then scattered showers after 2pm.  Partly sunny, with a high near 85. South southeast wind 6 to 9 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. Scattered
Showers

Sunday
Night
Sunday Night: Isolated showers.  Partly cloudy, with a low around 76. South wind 3 to 6 mph.  Chance of precipitation is 20%.Isolated
Showers

Monday

Monday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 87. Southeast wind 6 to 10 mph becoming east northeast in the afternoon.  Chance of precipitation is 30%.Scattered
Showers

Monday
Night
Monday Night: Scattered showers.  Partly cloudy, with a low around 77. Southeast wind 6 to 9 mph.  Chance of precipitation is 30%.Scattered
Showers

Tuesday

Tuesday: Sunny, with a high near 88. East wind 10 to 14 mph. Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 77. East wind 8 to 10 mph. Partly Cloudy

Wednesday

Wednesday: Mostly sunny, with a high near 88. East wind 11 to 13 mph. Mostly Sunny

Hi 86 °FLo 77 °FHi 85 °FLo 76 °FHi 87 °FLo 77 °FHi 88 °FLo 77 °FHi 88 °F

National Weather Service Forecast Details

 

 

 

San Juan, PR WFO Imagery

 

TDWR TSJU RADAR

 

Caribbean Sea

 

 

Weather Summary for Puerto Rico

000
AWCA82 TJSJ 180911
RWSPR

Weather Summary for Puerto Rico
National Weather Service San Juan PR
511 AM AST Sat Nov 18 2017

Mostly cloudy skies were observed across Puerto Rico during the
overnight hours with some showers affecting the western and
southern sections of Puerto Rico through the night leaving
generally less than half an inch of rain. The overnight minimum
temperatures were in the mid 70s to about 80 degrees across the
lower elevations and in the upper 60s to the low 70s across the
higher elevations.

An unsettled and rainy weather pattern is expected to continue
today and on Sunday as the frontal boundary remains to our west,
keeping the local islands under higher than normal moisture.
Cloudy skies and periods of showers and isolated thunderstorms are
forecast through the weekend. Urban and small stream flooding is
possible today.

Across the regional waters...Mariners can expect seas of 3 to 5
feet. Wind direction will vary over the local waters but generally
at 10 knots or less. A moderate risk of rip currents is expected
across the north beaches of Puerto Rico.

$$

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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