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Local Weather Conditions

 

National Weather Service Today's Weather Impact Levels

National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 2:54 am AST Dec 15, 2025

Hazardous Weather Outlook
Today

Today: Scattered showers after noon. Increasing clouds, with a high near 88. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 40%.
Sunny then
Scattered
Showers
Hi 88 °F
Tonight

Tonight: Scattered showers, mainly after 9pm. Partly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Scattered
Showers

Lo 73 °F
Tuesday

Tuesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 87. East southeast wind 5 to 13 mph. Chance of precipitation is 40%.
Scattered
Showers

Hi 87 °F
Tuesday
Night
Tuesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 73. East wind around 8 mph. Chance of precipitation is 30%.
Scattered
Showers

Lo 73 °F
Wednesday

Wednesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. East wind 7 to 14 mph. Chance of precipitation is 60%.
Scattered
Showers then
Showers
Likely
Hi 86 °F
Wednesday
Night
Wednesday Night: Isolated showers. Partly cloudy, with a low around 73. East southeast wind 6 to 9 mph. Chance of precipitation is 10%.
Isolated
Showers

Lo 73 °F
Thursday

Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 87. East wind 8 to 14 mph. Chance of precipitation is 30%.
Scattered
Showers then
Mostly Sunny
Hi 87 °F
Thursday
Night
Thursday Night: Clear, with a low around 73. East wind around 11 mph.
Clear

Lo 73 °F
Friday

Friday: Mostly sunny, with a high near 87. East wind 7 to 14 mph.
Mostly Sunny

Hi 87 °F

National Weather Service Forecast Details

 

Caribbean Sea Satellite

NWS San Juan Doppler Radar

GRLevel3 Radar

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GRLevel3 radar from NWS station TJUA

Day 1 rainfall

Day 2 rainfall

Day 3 rainfall

Weather Summary 

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NWS SJU Office Area Forecast Discussion

Tropical Atlantic Satellite

Tropical Weather Outlook

Saharan Air Layer

Wind Shear Tendency

Sea Surface Temperatures

Sea Surface Temperatures Anomalies

200hPa Velocity Potential Forecast