Excessive Heat Returns to the Southwest U.S.; Heavy to Excessive Rainfall for Southern Florida

Dangerously hot temperatures will return to the southwestern U.S. and central valley of California Tuesday and Wednesday then spread across the southern & eastern U.S. the second half of this week. Heavy to excessive rainfall may bring areas of flash and urban flooding, with locally considerable urban flooding possible, at times Tuesday into this weekend over the southern Florida Peninsula. 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

83°F

28°C

Humidity	77%
Wind Speed	E 5 mph
Barometer	30.03 in (1016.9 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	11 Jun 6:56 am AST

More Information:

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

Extended Forecast for

San Juan PRSimilar City Names

Excessive Heat Watch June 12, 09:00am until June 12, 06:00pm

Excessive Heat Warning June 11, 09:00am until June 11, 06:00pm

Click here for hazard details and duration

Excessive Heat Watch

Excessive Heat Warning

Today
High: 93 °F
Isolated
Showers
Tonight
Low: 79 °F
Isolated
Showers
Wednesday
High: 90 °F
Sunny then
Isolated
Showers
Wednesday Night
Low: 80 °F
Scattered
Showers
Thursday
High: 91 °F
Scattered
Showers
Thursday Night
Low: 80 °F
Scattered
Showers
Friday
High: 88 °F
Mostly Sunny
then
Scattered
Showers
Friday Night
Low: 78 °F
Partly Cloudy
Saturday
High: 91 °F
Mostly Sunny

Detailed Forecast

Today

Isolated showers before 9am, then isolated showers after noon. Sunny, with a high near 93. Heat index values as high as 109. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Tonight

Isolated showers before 3am. Partly cloudy, with a low around 79. East southeast wind 6 to 10 mph. Chance of precipitation is 20%.

Wednesday

Isolated showers after noon. Sunny, with a high near 90. Heat index values as high as 103. East wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Wednesday Night

Scattered showers, mainly before midnight. Partly cloudy, with a low around 80. East wind 7 to 10 mph. Chance of precipitation is 30%.

Thursday

Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday Night

Scattered showers. Mostly cloudy, with a low around 80. East northeast wind 5 to 9 mph. Chance of precipitation is 40%.

Friday

Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 6 to 10 mph. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 78. Southeast wind 5 to 8 mph.

Saturday

Mostly sunny, with a high near 91. East southeast wind 6 to 14 mph.

Saturday Night

Partly cloudy, with a low around 77.

Sunday

Mostly sunny, with a high near 91.