Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

78°F

26°C

Humidity	82%
Wind Speed	E 7 mph
Barometer	30.15 in (1020.7 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	15 Jun 7:56 am AST

More Information:

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

Extended Forecast for

San Juan PRSimilar City Names

Today
High: 86 °F
Isolated
Showers then
Scattered
Showers
Tonight
Low: 77 °F
Showers
Likely
Monday
High: 89 °F
Showers
Likely
Monday Night
Low: 77 °F
Scattered
Showers
Tuesday
High: 89 °F
Scattered
Showers
Tuesday Night
Low: 77 °F
Scattered
Showers
Wednesday
High: 90 °F
Scattered
Showers
Wednesday Night
Low: 77 °F
Partly Cloudy
Juneteenth
High: 89 °F
Scattered
Showers

Detailed Forecast

Today

Scattered showers, mainly after 3pm. Mostly sunny, with a high near 86. East wind 10 to 15 mph. Chance of precipitation is 50%.

Tonight

Showers likely and possibly a thunderstorm before midnight, then scattered showers between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Widespread haze before 9pm. Increasing clouds, with a low around 77. East wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 89. East wind 9 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Scattered showers. Partly cloudy, with a low around 77. East wind 7 to 9 mph. Chance of precipitation is 30%.

Tuesday

Scattered showers. Partly sunny, with a high near 89. East wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Tuesday Night

Scattered showers. Partly cloudy, with a low around 77. East wind around 11 mph. Chance of precipitation is 30%.

Wednesday

Scattered showers. Partly sunny, with a high near 90. East wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Wednesday Night

Partly cloudy, with a low around 77. East wind around 11 mph.

Juneteenth

Scattered showers. Partly sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.