Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. 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 68%
Wind Speed E 15 G 21 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 23 Jul 10:56 am AST
Extended Forecast for

San Juan PR

  • Today

    Today: Isolated showers.  Mostly sunny, with a high near 90. Heat index values as high as 97. East northeast wind around 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 90 °F

  • Tonight

    Tonight: Scattered showers.  Mostly cloudy, with a low around 78. East wind 10 to 15 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 78 °F

  • Sunday

    Sunday: Scattered showers.  Partly sunny, with a high near 90. East northeast wind 13 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    High: 90 °F

  • Sunday
    Night

    Sunday Night: Scattered showers.  Partly cloudy, with a low around 79. East wind 10 to 13 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 79 °F

  • Monday

    Monday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 90. East northeast wind 13 to 18 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    High: 90 °F

  • Monday
    Night

    Monday Night: Scattered showers.  Partly cloudy, with a low around 79. East northeast wind around 14 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 79 °F

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 89. East wind 16 to 18 mph, with gusts as high as 23 mph.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers.  Partly cloudy, with a low around 78. East wind 11 to 14 mph.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 78 °F

  • Wednesday

    Wednesday: Scattered showers, mainly before noon.  Sunny, with a high near 91. East northeast wind 13 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    Scattered
    Showers

    High: 91 °F

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 90. Heat index values as high as 97. East northeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Scattered showers. Mostly cloudy, with a low around 78. East wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers. Partly sunny, with a high near 90. East northeast wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Scattered showers. Partly cloudy, with a low around 79. East wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East northeast wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Scattered showers. Partly cloudy, with a low around 79. East northeast wind around 14 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 89. East wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 78. East wind 11 to 14 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before noon. Sunny, with a high near 91. East northeast wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Thursday
Scattered showers. Sunny, with a high near 91. Chance of precipitation is 30%.
Thursday Night
Isolated showers. Mostly clear, with a low around 77. Chance of precipitation is 20%.
Friday
Isolated showers. Sunny, with a high near 89. Chance of precipitation is 20%.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
4:02 am AST Jul 23, 2016
11am AST Jul 23, 2016-6pm AST Jul 29, 2016
 
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