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National Weather Service Today's Weather Impact Levels

National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 10:00 am AST Feb 28, 2026

This
Afternoon
This Afternoon: Isolated showers. Sunny, with a high near 87. East southeast wind 18 to 20 mph. Chance of precipitation is 10%.
Isolated
Showers

Hi 87 °F
Tonight

Tonight: Scattered showers before 9pm, then isolated showers after midnight. Partly cloudy, with a low around 72. East southeast wind around 10 mph. Chance of precipitation is 30%.
Scattered
Showers

Lo 72 °F
Sunday

Sunday: Sunny, with a high near 87. East wind 10 to 20 mph.
Sunny

Hi 87 °F
Sunday
Night
Sunday Night: Scattered showers. Mostly cloudy, with a low around 72. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Scattered
Showers

Lo 72 °F
Monday

Monday: Showers likely, mainly before noon. Partly sunny, with a high near 86. East wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Showers
Likely then
Isolated
Showers
Hi 86 °F
Monday
Night
Monday Night: Scattered showers. Mostly cloudy, with a low around 72. East wind around 9 mph. Chance of precipitation is 40%.
Scattered
Showers

Lo 72 °F
Tuesday

Tuesday: Scattered showers. Mostly sunny, with a high near 86. East wind 13 to 17 mph. Chance of precipitation is 40%.
Scattered
Showers

Hi 86 °F
Tuesday
Night
Tuesday Night: Scattered showers. Mostly cloudy, with a low around 72. East wind 11 to 13 mph. Chance of precipitation is 50%.
Scattered
Showers

Lo 72 °F
Wednesday

Wednesday: Scattered showers. Mostly cloudy, with a high near 85. East wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Scattered
Showers

Hi 85 °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