Excessive Heat for the Southwest; Showers and Thunderstorms for Portions of the Plains and East Coast

Showers and thunderstorms are expected across the eastern two-thirds of the country today along and ahead of a cold front. Some of these storms may result in isolated incidences of severe weather, including flash flooding. Meanwhile, more records may be tied or broken as excessive heat across the California's Central Valley and much of the Desert Southwest continues. 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

86°F

30°C

Humidity 79%
Wind Speed E 10 mph
Barometer 29.93 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 6 Jun 5:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight, then isolated showers.  Widespread haze after midnight. Partly cloudy, with a low around 80. Southeast wind 6 to 9 mph.  Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Friday

    Friday: Isolated showers before 9am.  Sunny, with a high near 92. Heat index values as high as 106. Southeast wind 7 to 11 mph.  Chance of precipitation is 10%.

    High: 92 °F

    Isolated
    Showers then
    Sunny

  • Friday Night

    Friday Night: Isolated showers after midnight.  Mostly clear, with a low around 81. Southeast wind around 6 mph.  Chance of precipitation is 10%.

    Low: 81 °F

    Clear then
    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers after noon.  Mostly sunny, with a high near 92. Heat index values as high as 108. East southeast wind 6 to 13 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers after midnight.  Mostly clear, with a low around 80. Southeast wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 80 °F

    Clear then
    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers after noon.  Sunny, with a high near 90. East wind 9 to 15 mph.  Chance of precipitation is 10%.

    High: 90 °F

    Sunny then
    Isolated
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 80. East southeast wind 6 to 8 mph.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. East wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. East southeast wind 7 to 9 mph.

    Low: 80 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight, then isolated showers. Widespread haze after midnight. Partly cloudy, with a low around 80. Southeast wind 6 to 9 mph. Chance of precipitation is 40%.
Friday
Isolated showers before 9am. Sunny, with a high near 92. Heat index values as high as 106. Southeast wind 7 to 11 mph. Chance of precipitation is 10%.
Friday Night
Isolated showers after midnight. Mostly clear, with a low around 81. Southeast wind around 6 mph. Chance of precipitation is 10%.
Saturday
Isolated showers after noon. Mostly sunny, with a high near 92. Heat index values as high as 108. East southeast wind 6 to 13 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers after midnight. Mostly clear, with a low around 80. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Isolated showers after noon. Sunny, with a high near 90. East wind 9 to 15 mph. Chance of precipitation is 10%.
Sunday Night
Partly cloudy, with a low around 80. East southeast wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 89. East wind 9 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 80. East southeast wind 7 to 9 mph.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 80.
Thursday
Mostly sunny, with a high near 88.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.42°N 66.08°W (Elev. 13 ft)
4:05 pm AST Jun 6, 2024
6pm AST Jun 6, 2024-6pm AST Jun 13, 2024
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database