Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Rip Current Statement until January 22, 06:00 PM AST

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

77°F

25°C

Humidity	83%
Wind Speed	SE 3 mph
Barometer	30.06 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	20 Jan 8:56 pm AST

More Information:

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

Extended Forecast for

San Juan PR

Tonight
Low: 74 °F
Scattered
Showers
Wednesday
High: 86 °F
Showers
Likely
Wednesday Night
Low: 73 °F
Showers
Likely
Thursday
High: 85 °F
Showers
Likely
Thursday Night
Low: 74 °F
Scattered
Showers
Friday
High: 85 °F
Scattered
Showers
Friday Night
Low: 74 °F
Partly Cloudy
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 74 °F
Clear

Detailed Forecast

Tonight

Scattered showers. Mostly cloudy, with a low around 74. East wind around 11 mph. Chance of precipitation is 50%.

Wednesday

Showers likely, mainly before 9am. Partly sunny, with a high near 86. East wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Wednesday Night

Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 73. East wind around 13 mph. Chance of precipitation is 60%.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. East wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Thursday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. East wind around 9 mph. Chance of precipitation is 50%.

Friday

Scattered showers and thunderstorms. Mostly sunny, with a high near 85. East wind 9 to 16 mph. Chance of precipitation is 50%.

Friday Night

Partly cloudy, with a low around 74. East wind around 9 mph.

Saturday

Sunny, with a high near 85. East wind 7 to 13 mph.

Saturday Night

Clear, with a low around 74. East wind around 10 mph.

Sunday

Sunny, with a high near 86.