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: 3:40 pm AST May 22, 2022

Hazardous Weather Outlook
Flood Advisory
This
Afternoon
This Afternoon: Isolated showers.  Mostly sunny, with a high near 88. East northeast wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.
Isolated
Showers
Hi 88 °F
Tonight

Tonight: Scattered showers, mainly between 9pm and 3am.  Partly cloudy, with a low around 76. East wind around 10 mph.  Chance of precipitation is 30%.
Scattered
Showers
Lo 76 °F
Monday

Monday: Scattered showers, mainly between noon and 3pm.  Mostly sunny, with a high near 88. East northeast wind 9 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.
Scattered
Showers
Hi 88 °F
Monday
Night
Monday Night: Scattered showers, mainly before midnight.  Mostly cloudy, with a low around 75. East wind 8 to 10 mph.  Chance of precipitation is 40%.
Scattered
Showers
Lo 75 °F
Tuesday

Tuesday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 89. East wind 9 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.
Scattered
Showers
Hi 89 °F
Tuesday
Night
Tuesday Night: Scattered showers.  Partly cloudy, with a low around 75. East wind 7 to 9 mph.  Chance of precipitation is 30%.
Scattered
Showers
Lo 75 °F
Wednesday

Wednesday: Scattered showers.  Mostly sunny, with a high near 88. East wind 8 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.
Scattered
Showers
Hi 88 °F
Wednesday
Night
Wednesday Night: Scattered showers.  Mostly cloudy, with a low around 76. East wind 7 to 10 mph.  Chance of precipitation is 40%.
Scattered
Showers
Lo 76 °F
Thursday

Thursday: Scattered showers.  Partly sunny, with a high near 89. East wind 9 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.
Scattered
Showers
Hi 89 °F

National Weather Service Forecast Details

 

GRLevel3 Radar

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GRLevel3 radar from NWS station TJUA

Day 1 rainfall

Day 2 rainfall

Day 3 rainfall

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NWS SJU Office Area Forecast Discussion

Saharan Air Layer

Wind Shear Tendency

Sea Surface Temperatures

Sea Surface Temperatures Anomalies