National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
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Hazardous Weather Conditions

Current Conditions

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San Juan PR

7 Day Forecast

For More Weather Information:

San Juan, PR Local Forecast Office

Today

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

High: 85 °F

Tonight

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 76 °F

Saturday

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

High: 89 °F

Saturday
Night

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

Low: 78 °F

Sunday

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

High: 88 °F

Sunday
Night

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

Low: 78 °F

Labor
Day

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

High: 89 °F

Monday
Night

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 78 °F

Tuesday

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

High: 88 °F

Detailed Forecast

  • Today Scattered showers. Partly sunny, with a high near 85. Light and variable wind becoming east northeast 9 to 14 mph in the morning. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
  • Tonight Scattered showers. Partly cloudy, with a low around 76. East wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
  • Saturday Scattered showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 99. East wind 9 to 11 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 7 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
  • Sunday Scattered showers and thunderstorms. Partly sunny, with a high near 88. East southeast wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Sunday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. East southeast wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Labor Day Scattered showers and thunderstorms. Mostly sunny, with a high near 89. East southeast wind 5 to 9 mph. Chance of precipitation is 40%.
  • Monday Night Scattered showers. Partly cloudy, with a low around 78. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.
  • Tuesday Scattered showers. Mostly sunny, with a high near 88. East wind 5 to 8 mph. Chance of precipitation is 30%.
  • Tuesday Night Isolated showers. Partly cloudy, with a low around 78. Chance of precipitation is 20%.
  • Wednesday Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
  • Wednesday Night Isolated showers. Partly cloudy, with a low around 78. Chance of precipitation is 20%.
  • Thursday Isolated showers. Mostly sunny, with a high near 89. Chance of precipitation is 20%.