Heat Will Continue in the Southeast and Portions of the West

A very hot and humid airmass will persist over portions of the southeast. Afternoon high temperatures in these areas are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. Hot temperatures are also expected over portions of the west. In the Plains and the mid-Atlantic to the Appalachians, strong thunderstorms are possible with gusty winds. 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

27°C

81°F

Humidity 91%
Wind Speed SE 6 km/h
Barometer 1015.4 mb (29.99 in)
Dewpoint 26°C (78°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 27 Jul 1:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Scattered showers.  Partly cloudy, with a low around 25. East wind 11 to 13 km/h.  Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    Scattered
    Showers

    Low: 25 °C

  • Wednesday

    Wednesday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 33. Heat index values as high as 39. East wind 21 to 27 km/h.  Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.

    Scattered
    Showers

    High: 33 °C

  • Wednesday
    Night

    Wednesday Night: Isolated showers.  Mostly clear, with a low around 26. East northeast wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 26 °C

  • Thursday

    Thursday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 32. Heat index values as high as 37. East northeast wind 16 to 21 km/h increasing to 27 to 32 km/h in the morning.  Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.

    Scattered
    Showers

    High: 32 °C

  • Thursday
    Night

    Thursday Night: Scattered showers.  Partly cloudy, with a low around 26. East wind 10 to 16 km/h.  Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.

    Scattered
    Showers

    Low: 26 °C

  • Friday

    Friday: Scattered showers, mainly before noon.  Sunny, with a high near 32. East wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon.  Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.

    Scattered
    Showers

    High: 32 °C

  • Friday
    Night

    Friday Night: Isolated showers.  Mostly clear, with a low around 26. East wind 14 to 21 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 26 °C

  • Saturday

    Saturday: Isolated showers.  Sunny, with a high near 31. East northeast wind 21 to 24 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 31 °C

  • Saturday
    Night

    Saturday Night: Scattered showers.  Mostly cloudy, with a low around 26. East wind 14 to 18 km/h.  Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 26 °C

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 25. East wind 11 to 13 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 33. Heat index values as high as 39. East wind 21 to 27 km/h. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.
Wednesday Night
Isolated showers. Mostly clear, with a low around 26. East northeast wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Chance of precipitation is 20%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 32. Heat index values as high as 37. East northeast wind 16 to 21 km/h increasing to 27 to 32 km/h in the morning. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.
Thursday Night
Scattered showers. Partly cloudy, with a low around 26. East wind 10 to 16 km/h. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.
Friday
Scattered showers, mainly before noon. Sunny, with a high near 32. East wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.
Friday Night
Isolated showers. Mostly clear, with a low around 26. East wind 14 to 21 km/h. Chance of precipitation is 20%.
Saturday
Isolated showers. Sunny, with a high near 31. East northeast wind 21 to 24 km/h. Chance of precipitation is 20%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 26. East wind 14 to 18 km/h. Chance of precipitation is 50%.
Sunday
Scattered showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
Scattered showers. Mostly sunny, with a high near 32. Chance of precipitation is 30%.
Monday Night
Isolated showers. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Tuesday
Isolated showers. Mostly sunny, with a high near 33. Chance of precipitation is 20%.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 17 m)
9:19 pm AST Jul 26, 2016
2am AST Jul 27, 2016-6pm AST Aug 2, 2016
 
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