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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. 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

75°F

24°C

Humidity 74%
Wind Speed E 12 mph
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Mar 2:56 am AST
Extended Forecast for

Candelaria Arenas PR

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 71. East southeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 86. East wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after 3am. Partly cloudy, with a low around 70. East wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly between noon and 3pm. Mostly sunny, with a high near 86. East wind 9 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. East wind 5 to 9 mph.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Scattered showers. Mostly sunny, with a high near 86. East wind 7 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Southeast wind 5 to 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after noon. Partly sunny, with a high near 87. Southeast wind 5 to 9 mph. Chance of precipitation is 60%.

    High: 87 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. South wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 71. East southeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday
Isolated showers. Mostly sunny, with a high near 86. East wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 70. East wind 7 to 10 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly between noon and 3pm. Mostly sunny, with a high near 86. East wind 9 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 70. East wind 5 to 9 mph.
Thursday
Scattered showers. Mostly sunny, with a high near 86. East wind 7 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 68. Southeast wind 5 to 7 mph.
Friday
Showers likely, mainly after noon. Partly sunny, with a high near 87. Southeast wind 5 to 9 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 69. South wind around 6 mph becoming calm in the evening.
Saturday
Showers likely, mainly after noon. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Monday
Scattered showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Candelaria Arenas PR
 18.42°N 66.21°W (Elev. 151 ft)
Last Update:
2:56 am AST Mar 17, 2026
Forecast Valid:
3am AST Mar 17, 2026-6pm AST Mar 23, 2026
 
Forecast Discussion
 
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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