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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy and Breezy

88°F

31°C

Humidity 66%
Wind Speed NE 21 G 26 mph
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index98°F (37°C)
Last update 16 Aug 9:56 am AST
Extended Forecast for

San Juan PR

  • Today

    Today: Scattered showers.  Widespread haze. Partly sunny, with a high near 88. East northeast wind 16 to 18 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Scattered
    Showers

    High: 88 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 78. East northeast wind 14 to 17 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    Low: 78 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon.  Partly sunny, with a high near 89. East wind around 17 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    High: 89 °F

  • Thursday
    Night

    Thursday Night: Isolated showers.  Partly cloudy, with a low around 80. East wind 11 to 13 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 80 °F

  • Friday

    Friday: Isolated showers.  Sunny, with a high near 88. East northeast wind 16 to 18 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 88 °F

  • Friday
    Night

    Friday Night: Isolated showers.  Partly cloudy, with a low around 79. East northeast wind 15 to 17 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 79 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 88. East northeast wind around 20 mph.

    Mostly Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Scattered showers.  Partly cloudy, with a low around 77. East northeast wind 11 to 16 mph.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 77 °F

  • Sunday

    Sunday: Scattered showers.  Partly sunny, with a high near 89. East southeast wind around 11 mph.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 89 °F

Detailed Forecast

Today
Scattered showers. Widespread haze. Partly sunny, with a high near 88. East northeast wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 78. East northeast wind 14 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 89. East wind around 17 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Isolated showers. Partly cloudy, with a low around 80. East wind 11 to 13 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Sunny, with a high near 88. East northeast wind 16 to 18 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Partly cloudy, with a low around 79. East northeast wind 15 to 17 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 88. East northeast wind around 20 mph.
Saturday Night
Scattered showers. Partly cloudy, with a low around 77. East northeast wind 11 to 16 mph. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 89. East southeast wind around 11 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
10:04 am AST Aug 16, 2017
10am AST Aug 16, 2017-6pm AST Aug 22, 2017
 
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