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National Weather Service Today's Weather Impact Levels

National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 4:28 pm AST Mar 25, 2026

Overnight

Overnight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 72. East southeast wind around 7 mph. Chance of precipitation is 60%.
Showers
Likely
Lo 72 °F
Thursday

Thursday: Scattered showers, then showers and possibly a thunderstorm after noon. High near 84. East southeast wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Scattered
Showers then
Showers
Hi 84 °F
Thursday
Night
Thursday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 72. East wind around 9 mph. Chance of precipitation is 40%.
Scattered
Showers
Lo 72 °F
Friday

Friday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 84. East wind 7 to 14 mph. Chance of precipitation is 50%.
Scattered
Showers
Hi 84 °F
Friday
Night
Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. East wind around 8 mph. Chance of precipitation is 50%.
Scattered
Showers
Lo 71 °F
Saturday

Saturday: Showers likely and possibly a thunderstorm before noon, then scattered showers. Mostly cloudy, with a high near 84. East northeast wind 7 to 13 mph. Chance of precipitation is 60%.
Showers
Likely
Hi 84 °F
Saturday
Night
Saturday Night: Scattered showers. Partly cloudy, with a low around 72. East wind around 8 mph. Chance of precipitation is 30%.
Scattered
Showers
Lo 72 °F
Sunday

Sunday: Scattered showers before noon. Mostly sunny, with a high near 84. East northeast wind 8 to 14 mph. Chance of precipitation is 30%.
Scattered
Showers then
Sunny
Hi 84 °F
Sunday
Night
Sunday Night: Partly cloudy, with a low around 72. East northeast wind around 11 mph.
Partly Cloudy

Lo 72 °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