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National Weather Service Today's Weather Impact Levels

National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 4:47 pm AST Apr 6, 2026

Overnight

Overnight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 8 mph. Chance of precipitation is 40%.
Scattered
Showers

Lo 73 °F
Tuesday

Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 87. Southeast wind 9 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Scattered
Showers then
Showers
Likely
Hi 87 °F
Tuesday
Night
Tuesday Night: Scattered showers. Mostly cloudy, with a low around 74. East southeast wind 7 to 10 mph. Chance of precipitation is 50%.
Scattered
Showers

Lo 74 °F
Wednesday

Wednesday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 88. East southeast wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Showers
Likely

Hi 88 °F
Wednesday
Night
Wednesday Night: Scattered showers. Mostly cloudy, with a low around 74. East southeast wind around 9 mph. Chance of precipitation is 40%.
Scattered
Showers

Lo 74 °F
Thursday

Thursday: Scattered showers. Partly sunny, with a high near 88. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Scattered
Showers

Hi 88 °F
Thursday
Night
Thursday Night: Scattered showers. Partly cloudy, with a low around 74. East southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Scattered
Showers

Lo 74 °F
Friday

Friday: Scattered showers. Partly sunny, with a high near 87. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Scattered
Showers

Hi 87 °F
Friday
Night
Friday Night: Scattered showers. Partly cloudy, with a low around 73. East southeast wind 7 to 9 mph. Chance of precipitation is 30%.
Scattered
Showers

Lo 73 °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