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Hazardous Weather Conditions

Heat Advisory until August 21, 05:00 PM AST

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

90°F

32°C

Humidity	63%
Wind Speed	NE 14 G 24 mph
Barometer	30.06 in
Dewpoint	75°F (24°C)
Visibility	9.00 mi
Heat Index	101°F (38°C)
Last update	21 Aug 12:56 pm AST

More Information:

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

Extended Forecast for

3 Miles WSW Guaynabo PR

Heat Advisory August 21, 01:20pm until August 21, 05:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 21, 01:20pm until August 21, 05:00pm
NOW until 5:00pm Fri
Heat Advisory
This Afternoon
High: 89 °F
Isolated
Showers
Tonight
Low: 78 °F
Isolated
Showers
Saturday
High: 91 °F
Scattered
Showers
Saturday Night
Low: 78 °F
Scattered
Showers
Sunday
High: 91 °F
Scattered
Showers then
Sunny
Sunday Night
Low: 79 °F
Scattered
Showers
Monday
High: 91 °F
Mostly Sunny
Monday Night
Low: 79 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Isolated showers. Widespread haze. Mostly sunny, with a high near 89. Heat index values as high as 102. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tonight

Isolated showers. Partly cloudy, with a low around 78. East southeast wind around 8 mph. Chance of precipitation is 20%.

Saturday

Scattered showers, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 105. East wind 7 to 14 mph. Chance of precipitation is 30%.

Saturday Night

Scattered showers, mainly after midnight. Partly cloudy, with a low around 78. East wind around 8 mph. Chance of precipitation is 30%.

Sunday

Scattered showers before noon. Mostly sunny, with a high near 91. East wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Sunday Night

Scattered showers. Partly cloudy, with a low around 79. East wind 6 to 8 mph. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 91. East wind 8 to 16 mph.

Monday Night

Partly cloudy, with a low around 79. East wind 3 to 8 mph.

Tuesday

Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

Tuesday Night

Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.

Wednesday

Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 40%.

Wednesday Night

Scattered showers. Mostly cloudy, with a low around 79. Chance of precipitation is 40%.

Thursday

Mostly sunny, with a high near 91.