National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Additional Heavy Rainfall for Florida; Severe Thunderstorms in the High Plains and the East

Continued heavy to excessive rainfall may bring considerable to locally catastrophic urban flooding today to South Florida with areas of flash and urban flooding remaining possible through Saturday. Flood Watches remain in effect. A slight risk of severe thunderstorms (Level 2 of 5) exists today in the central High Plains and from the Mid-Atlantic to southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

88°F

31°C

Humidity 70%
Wind Speed E 15 G 24 mph
Barometer 29.91 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 14 Jun 5:56 pm AST
Extended Forecast for

San Isidro PR

Excessive Heat Watch June 15, 10:00am until June 15, 06:00pm
Click here for hazard details and duration
Excessive Heat Watch

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 77. East wind 6 to 8 mph becoming south southeast after midnight. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 77 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before 3pm. Widespread haze after 3pm. Partly sunny, with a high near 92. Heat index values as high as 104. South southeast wind 7 to 15 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 92 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Widespread haze. Partly cloudy, with a low around 80. South southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    Showers then
    Haze

  • Sunday

    Sunday: Scattered showers, mainly after noon. Widespread haze before noon. Mostly sunny, with a high near 91. East southeast wind 5 to 11 mph. Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Widespread haze. Partly cloudy, with a low around 79. South southeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Scattered showers. Partly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 88. East wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 79. East southeast wind around 9 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 77. East wind 6 to 8 mph becoming south southeast after midnight. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Scattered showers, mainly before 3pm. Widespread haze after 3pm. Partly sunny, with a high near 92. Heat index values as high as 104. South southeast wind 7 to 15 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Isolated showers. Widespread haze. Partly cloudy, with a low around 80. South southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Scattered showers, mainly after noon. Widespread haze before noon. Mostly sunny, with a high near 91. East southeast wind 5 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Isolated showers. Widespread haze. Partly cloudy, with a low around 79. South southeast wind around 6 mph. Chance of precipitation is 20%.
Monday
Isolated showers. Mostly sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Scattered showers. Partly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 88. East wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 79. East southeast wind around 9 mph. Chance of precipitation is 30%.
Juneteenth
Scattered showers. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 78. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
San Isidro PR
 18.4°N 65.89°W (Elev. 23 ft)
Last Update:
4:01 pm AST Jun 14, 2024
Forecast Valid:
6pm AST Jun 14, 2024-6pm AST Jun 21, 2024
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation