Since 2001 providing the latest information on tropical cyclone activity in the Atlantic Basin and the weather conditions in Puerto Rico.

Local Weather Conditions

 

National Weather Service Today's Weather Impact Levels

National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 3:00 am AST Dec 2, 2020

Hazardous Weather Outlook
This
Afternoon
This Afternoon: Isolated showers before 3pm.  Sunny, with a temperature falling to around 79 by 5pm. East northeast wind 10 to 13 mph.  Chance of precipitation is 10%.
Isolated
Showers

Hi 84 °F
Tonight

Tonight: Scattered showers, mainly after 3am.  Partly cloudy, with a low around 74. East southeast wind 5 to 7 mph.  Chance of precipitation is 30%.
Scattered
Showers

Lo 74 °F
Thursday

Thursday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 84. Southwest wind 6 to 11 mph becoming east northeast in the afternoon.  Chance of precipitation is 40%.
Scattered
Showers then
Isolated
Showers
Hi 84 °F
Thursday
Night
Thursday Night: Isolated showers after midnight.  Mostly clear, with a low around 73. East northeast wind around 11 mph.  Chance of precipitation is 10%.
Clear then
Isolated
Showers
Lo 73 °F
Friday

Friday: Isolated showers.  Sunny, with a high near 83. East wind 10 to 13 mph.  Chance of precipitation is 10%.
Isolated
Showers

Hi 83 °F
Friday
Night
Friday Night: Scattered showers.  Partly cloudy, with a low around 73. East northeast wind around 11 mph.  Chance of precipitation is 30%.
Scattered
Showers

Lo 73 °F
Saturday

Saturday: Mostly sunny, with a high near 83. East wind 8 to 10 mph.
Mostly Sunny

Hi 83 °F
Saturday
Night
Saturday Night: Scattered showers.  Partly cloudy, with a low around 72. East wind 5 to 7 mph.  Chance of precipitation is 30%.
Scattered
Showers

Lo 72 °F
Sunday

Sunday: Mostly sunny, with a high near 83. East wind 5 to 7 mph.
Mostly Sunny

Hi 83 °F

National Weather Service Forecast Details

 

GRLevel3 Radar

  [10/10
GRLevel3 radar from NWS station TJUA

Day 1 rainfall

Day 2 rainfall

Day 3 rainfall

000
AWCA82 TJSJ 020810
RWSPR
PRZ001>013-022015-

Weather Summary for Puerto Rico
National Weather Service San Juan PR
410 AM AST Wed Dec 2 2020

Tranquil weather conditions prevailed overnight. Clear skies with
a northeasterly wind flow aided in pleasant low temperatures
across most of the islands, where the temperatures dropped into
the low 60s across mountain areas and between the low and mid 70s
in coastal sections. Winds were calm to light and variable with
land breeze influences.

A ridge aloft will limit shower activity across the islands.
However, a pocket of moisture associated with the remnants of an
old front will bring clouds and a few showers across the local
islands through the day. Then, afternoon convection will develop
across the interior and southwest quadrant. High temperatures
will reach nearly 90 degrees in the west and the mid 70s in the
higher mountains. Winds will remain east northeast from 5 to 15
mph with sea breezes prevailing, and strongest along the coasts.

Across the regional waters, seas of up to 5 feet will be seen
across exposed waters. Winds will be 10 to 15 knots from the east
northeast except over protected waters. There is a moderate risk
of rip along the north facing beaches in Puerto Rico and Culebra.

$$

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

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Wind Shear Tendency

Sea Surface Temperatures

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