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

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

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

88°F

31°C

Humidity 59%
Wind Speed E 17 G 28 mph
Barometer 30.15 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Jun 11:56 am AST
Extended Forecast for

Martorell PR

  • This Afternoon

    This Afternoon: Scattered showers, mainly after 3pm. Partly sunny, with a high near 83. East wind 11 to 13 mph. Chance of precipitation is 50%.

    High: 83 °F

    Scattered
    Showers

  • Tonight

    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. Mostly cloudy, with a low around 75. East northeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 75 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before noon, then scattered showers. Mostly cloudy, with a high near 85. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 76. East northeast wind around 9 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 86. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 76. East wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 86. East wind around 14 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. East wind 11 to 13 mph.

    Low: 75 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Scattered showers. Partly sunny, with a high near 87. East wind around 13 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers, mainly after 3pm. Partly sunny, with a high near 83. East wind 11 to 13 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. Mostly cloudy, with a low around 75. East northeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers likely and possibly a thunderstorm before noon, then scattered showers. Mostly cloudy, with a high near 85. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind around 9 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Partly sunny, with a high near 86. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 76. East wind 10 to 13 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 86. East wind around 14 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 75. East wind 11 to 13 mph.
Juneteenth
Scattered showers. Partly sunny, with a high near 87. East wind around 13 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Saturday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martorell PR
 18.07°N 65.9°W (Elev. 135 ft)
Last Update:
3:10 am AST Jun 15, 2025
Forecast Valid:
12pm AST Jun 15, 2025-6pm AST Jun 21, 2025
 
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