National Weather Service United States Department of Commerce

Cold Front Crossing the Central U.S.

A cold front over the Northern Rockies will move eastward to the Upper Mississippi Valley/Central Plains by Monday. Rain will develop along the boundary over the Upper Midwest and move into the Upper Great Lakes by Monday. Some of the thunderstorms could become severe in portions of Texas through Monday.
Read More...

Current Conditions

En Español

Share |

Toa Baja PR

7 Day Forecast

San Juan, PR

NWS Weather Forecast Office

Today

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

High: 90 °F

Tonight

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 74 °F

Monday

Isolated Showers Chance for Measurable Precipitation 10%

Isolated
Showers

High: 89 °F

Monday
Night

Isolated Showers Chance for Measurable Precipitation 10%

Isolated
Showers

Low: 74 °F

Tuesday

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

High: 90 °F

Tuesday
Night

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 76 °F

Wednesday

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

High: 89 °F

Wednesday
Night

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 76 °F

Thursday

Scattered Showers Chance for Measurable Precipitation 40%

Scattered
Showers

High: 90 °F

Detailed Forecast

  • Today Isolated showers. Mostly sunny, with a high near 90. East wind 9 to 14 mph. Chance of precipitation is 20%.
  • Tonight Isolated showers. Partly cloudy, with a low around 74. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.
  • Monday Isolated showers. Mostly sunny, with a high near 89. East southeast wind 8 to 13 mph. Chance of precipitation is 10%.
  • Monday Night Isolated showers. Mostly clear, with a low around 74. Southeast wind 5 to 7 mph. Chance of precipitation is 10%.
  • Tuesday Scattered showers, mainly after noon. Mostly sunny, with a high near 90. Southeast wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Isolated showers. Mostly clear, with a low around 76. South southeast wind 5 to 7 mph. Chance of precipitation is 20%.
  • Wednesday Scattered showers, mainly after noon. Mostly sunny, with a high near 89. South wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 40%.
  • Wednesday Night Isolated showers. Partly cloudy, with a low around 76. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
  • Thursday Scattered showers. Mostly sunny, with a high near 90. East wind 3 to 5 mph. Chance of precipitation is 40%.
  • Thursday Night Isolated showers. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
  • Friday Isolated showers. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
  • Friday Night Isolated showers. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
  • Saturday Isolated showers. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

 

Additional Forecasts and Information

Zone Area Forecast for San Juan and Vicinity, PR