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Storm system to bring heavy rainfall and the potential for flash flooding over the southern Mid Atlantic and Southeast U.S.

A slow moving low pressure system will bring the threat for heavy rainfall, flash flooding, and a few strong to severe thunderstorms into Tuesday. The main threat areas include the southern Mid Atlantic and Southeast U.S. Excessive runoff may lead to flooding of low lying areas, rivers, and streams. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

32°C

90°F

Humidity 59%
Wind Speed SE 20 G 37 km/h
Barometer 1013.9 mb (29.94 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index37°C (99°F)
Last update 24 Apr 12:56 pm AST
Extended Forecast for

San Juan PR

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Partly sunny, with a high near 32. Southeast wind 24 to 26 km/h.  Chance of precipitation is 40%.

    Scattered
    Showers

    High: 32 °C

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 24. Southeast wind 10 to 18 km/h.  Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 24 °C

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 32. South southeast wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon.  Chance of precipitation is 50%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Scattered
    Showers

    High: 32 °C

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 24. Southeast wind 13 to 18 km/h.  Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 24 °C

  • Wednesday

    Wednesday: Scattered showers, mainly after 1pm.  Mostly sunny, with a high near 32. East wind 16 to 24 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: Scattered showers, mainly before 7pm.  Mostly clear, with a low around 25. East wind 14 to 21 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 25 °C

  • Thursday

    Thursday: Sunny, with a high near 31. East northeast wind 18 to 27 km/h.

    Sunny

    High: 31 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 24. East wind 21 to 23 km/h.

    Mostly Clear

    Low: 24 °C

  • Friday

    Friday: Sunny, with a high near 32. East northeast wind 23 to 26 km/h.

    Sunny

    High: 32 °C

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 32. Southeast wind 24 to 26 km/h. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 24. Southeast wind 10 to 18 km/h. Chance of precipitation is 40%.
Tuesday
Scattered showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 32. South southeast wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Chance of precipitation is 50%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 24. Southeast wind 13 to 18 km/h. Chance of precipitation is 50%.
Wednesday
Scattered showers, mainly after 1pm. Mostly sunny, with a high near 32. East wind 16 to 24 km/h. Chance of precipitation is 30%.
Wednesday Night
Scattered showers, mainly before 7pm. Mostly clear, with a low around 25. East wind 14 to 21 km/h. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 31. East northeast wind 18 to 27 km/h.
Thursday Night
Mostly clear, with a low around 24. East wind 21 to 23 km/h.
Friday
Sunny, with a high near 32. East northeast wind 23 to 26 km/h.
Friday Night
Scattered showers. Partly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 30. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday
Scattered showers. Mostly sunny, with a high near 30. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 17 m)
10:18 am AST Apr 24, 2017
1pm AST Apr 24, 2017-6pm AST Apr 30, 2017
 
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