National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Cooler Temperatures from the Great Plains to the East Coast Through Early This Week

High pressure brings cooler temperatures from the Great Plains to the East Coast through early this week. Widely scattered showers in the eastern Great Lakes, Appalachians, and Northeast are possible Sunday and Monday. Pacific storms early in the week will bring moderate to heavy rain to the Pacific Northwest and southeastern Alaska. 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

85°F

29°C

Humidity 75%
Wind Speed SW 3 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 14 Oct 8:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind around 5 mph.

    Mostly Clear

    Low: 80 °F

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 93. South southeast wind 6 to 14 mph. Chance of precipitation is 40%.

    Isolated
    Showers then
    Scattered
    Showers

    High: 93 °F

  • Sunday
    Night

    Sunday Night: Scattered showers before midnight. Mostly cloudy, then gradually becoming clear, with a low around 79. South wind around 6 mph. Chance of precipitation is 40%.

    Scattered
    Showers then
    Clear

    Low: 79 °F

  • Monday

    Monday: Scattered showers after noon. Mostly sunny, with a high near 92. Southeast wind 7 to 14 mph. Chance of precipitation is 30%.

    Sunny then
    Scattered
    Showers

    High: 92 °F

  • Monday
    Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 80. South southeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 80 °F

  • Tuesday

    Tuesday: Isolated showers after noon. Sunny, with a high near 91. East wind 5 to 14 mph. Chance of precipitation is 10%.

    Sunny then
    Isolated
    Showers

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 80. East southeast wind 6 to 8 mph.

    Partly Cloudy

    Low: 80 °F

  • Wednesday

    Wednesday: Sunny, with a high near 89. East wind 8 to 14 mph.

    Sunny

    High: 89 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 80 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 80. South wind around 5 mph.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 93. South southeast wind 6 to 14 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers before midnight. Mostly cloudy, then gradually becoming clear, with a low around 79. South wind around 6 mph. Chance of precipitation is 40%.
Monday
Scattered showers after noon. Mostly sunny, with a high near 92. Southeast wind 7 to 14 mph. Chance of precipitation is 30%.
Monday Night
Isolated showers. Partly cloudy, with a low around 80. South southeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
Isolated showers after noon. Sunny, with a high near 91. East wind 5 to 14 mph. Chance of precipitation is 10%.
Tuesday Night
Partly cloudy, with a low around 80. East southeast wind 6 to 8 mph.
Wednesday
Sunny, with a high near 89. East wind 8 to 14 mph.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
Thursday Night
Clear, with a low around 80.
Friday
Sunny, with a high near 89.
Friday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
San Juan PR
 18.4°N 66.07°W (Elev. 56 ft)
Last Update:
6:49 am AST Oct 14, 2023
Forecast Valid:
9pm AST Oct 14, 2023-6pm AST Oct 21, 2023
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation