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National Weather Service Today's Weather Impact Levels

 

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

Updated: 2:09 pm AST Jul 18, 2019 

Hazardous Weather Outlook
 

This
Afternoon
This Afternoon: Isolated showers.  Sunny, with a high near 90. East wind around 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.
Isolated
Showers
Tonight

Tonight: Scattered showers, mainly before midnight.  Mostly cloudy, with a low around 78. East northeast wind 9 to 14 mph.  Chance of precipitation is 40%.
Scattered
Showers
Friday

Friday: Scattered showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 90. East northeast wind 13 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Scattered
Showers
Friday
Night
Friday Night: Scattered showers, mainly before midnight.  Partly cloudy, with a low around 78. East wind 8 to 10 mph.  Chance of precipitation is 30%.
Scattered
Showers
Saturday

Saturday: Isolated showers.  Mostly sunny, with a high near 91. East wind 13 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.
Isolated
Showers
Saturday
Night
Saturday Night: Scattered showers.  Partly cloudy, with a low around 78. East wind 8 to 10 mph.  Chance of precipitation is 30%.
Scattered
Showers
Sunday

Sunday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 89. East northeast wind 11 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.
Scattered
Showers then
Mostly Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 78. East wind around 11 mph.
Partly Cloudy

Monday

Monday: Scattered showers.  Mostly sunny, with a high near 91. East wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.
Scattered
Showers
Hi 90 °FLo 78 °FHi 90 °FLo 78 °FHi 91 °FLo 78 °FHi 89 °FLo 78 °FHi 91 °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 180950
RWSPR

Weather Summary for Puerto Rico
National Weather Service San Juan PR
550 AM AST Thu Jul 18 2019

Showers moved across many parts of eastern Puerto Rico overnight
but faded during the early morning hours. A few showers even
graced the south Coast around Santa Isabel. Winds were easterly at
less than 10 mph although showers were moving in from the east
southeast. Temperatures ranged from the mid 60s in the higher
mountain valleys to the lower 80s along the coast. San Juan had a
low of 79 degrees.

Scattered showers are expected during the morning hours in
eastern Puerto Rico, but the best showers and some thunderstorms
will be in the west northwest during the afternoon. A tropical
wave is approaching the area and will spread its moisture over the
area later tonight and on Friday. Highs today will range from the
lower 90s in some lower elevations to the mid 70s in the higher
mountains. Winds will range from 10 to 20 mph and strongest on the
coast where gusts up to 30 mph could be seen. Overnight lows will
return to the mid 60s to lower 80s but showers will be seen in
eastern Puerto Rico.

Seas up to 5 feet and east winds up to 20 knots are expected
today. Small craft operators will need to exercise caution in the
local waters off the north and south coasts and in the outer
Caribbean.

$$

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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