Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

89°F

32°C

Humidity	63%
Wind Speed	NE 14 G 24 mph
Barometer	30.06 in (1017.7 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	18 Jul 1:56 pm AST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

San Juan PR

Heat Advisory until July 18, 05:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 18, 05:00pm
NOW until 5:00pm Fri
Heat Advisory
This Afternoon
High: 89 °F
Isolated
Showers
Tonight
Low: 77 °F
Showers
Likely
Saturday
High: 89 °F
Showers
Likely
Saturday Night
Low: 77 °F
Scattered
Showers
Sunday
High: 89 °F
Scattered
Showers
Sunday Night
Low: 77 °F
Isolated
Showers then
Scattered
Showers
Monday
High: 89 °F
Mostly Sunny
then
Scattered
Showers
Monday Night
Low: 78 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Isolated showers after 3pm. Mostly sunny, with a high near 89. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tonight

Showers likely, mainly after 3am. Mostly cloudy, with a low around 77. East wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 89. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Saturday Night

Scattered showers. Mostly cloudy, with a low around 77. East southeast wind 6 to 9 mph. Chance of precipitation is 40%.

Sunday

Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. East wind 9 to 14 mph. Chance of precipitation is 50%.

Sunday Night

Scattered showers, mainly after midnight. Partly cloudy, with a low around 77. East southeast wind around 8 mph. Chance of precipitation is 50%.

Monday

Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 11 to 14 mph. Chance of precipitation is 40%.

Monday Night

Partly cloudy, with a low around 78. Northeast wind around 10 mph.

Tuesday

Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East wind around 14 mph. Chance of precipitation is 30%.

Tuesday Night

Clear, with a low around 78.

Wednesday

Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.