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National Weather Service Today's Weather Impact Levels

National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 2:07 pm AST May 3, 2026

This
Afternoon
This Afternoon: Sunny, with a high near 90. East southeast wind around 14 mph.
Sunny

Hi 90 °F
Tonight

Tonight: Isolated showers after 9pm. Partly cloudy, with a low around 78. East southeast wind around 9 mph. Chance of precipitation is 20%.
Isolated
Showers
Lo 78 °F
Monday

Monday: Isolated showers. Mostly sunny, with a high near 90. East southeast wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Isolated
Showers
Hi 90 °F
Monday
Night
Monday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 77. East southeast wind 5 to 8 mph. Chance of precipitation is 30%.
Scattered
Showers
Lo 77 °F
Tuesday

Tuesday: Scattered showers. Partly sunny, with a high near 90. East southeast wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Scattered
Showers
Hi 90 °F
Tuesday
Night
Tuesday Night: Isolated showers. Partly cloudy, with a low around 77. East southeast wind 6 to 8 mph. Chance of precipitation is 10%.
Isolated
Showers
Lo 77 °F
Wednesday

Wednesday: Sunny, with a high near 90. East wind 8 to 16 mph, with gusts as high as 21 mph.
Sunny

Hi 90 °F
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 77. East southeast wind around 8 mph.
Partly Cloudy

Lo 77 °F
Thursday

Thursday: Scattered showers before noon. Mostly sunny, with a high near 90. East wind 10 to 15 mph. Chance of precipitation is 30%.
Scattered
Showers then
Sunny
Hi 90 °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

National Weather Service in San Juan

Area Forecast Discussion (AFD)

Weather Summary unavailable, please try later.

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