Weather Conditions in Puerto Rico

National Weather Service Today's Weather Impact Levels

Graphical Hazardous Weather Outlook

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National Weather Service Forecast for: San Juan PR
Issued by: National Weather Service San Juan, PR

Updated: 2:09 pm AST Jul 18, 2019

San Juan

This Afternoon Isolated Showers	Tonight Scattered Showers	Friday Scattered Showers	Friday Night Scattered Showers	Saturday Isolated Showers	Saturday Night Scattered Showers	Sunday Scattered Showers then Mostly Sunny	Sunday Night Partly Cloudy	Monday Scattered Showers
Hi 90 °F	Lo 78 °F	Hi 90 °F	Lo 78 °F	Hi 91 °F	Lo 78 °F	Hi 89 °F	Lo 78 °F	Hi 91 °F

Hazardous Weather Outlook

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%.
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%.
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.
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%.
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%.
Saturday Night	Scattered showers. Partly cloudy, with a low around 78. East wind 8 to 10 mph. Chance of precipitation is 30%.
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%.
Sunday Night	Partly cloudy, with a low around 78. East wind around 11 mph.
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%.
Monday Night	Partly cloudy, with a low around 79.
Tuesday	Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night	Mostly clear, with a low around 79.
Wednesday	Mostly sunny, with a high near 90.

Weather Summary

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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.

NWS SJU Office Area Forecast Discussion

Caribbean Sea Satellite (Loop)

Puerto Rico Doppler Radar