National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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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 40%

Scattered
Showers

High: 33 °C

Tonight

Clearing

Clearing

Low: 25 °C

Saturday

Isolated Showers Chance for Measurable Precipitation 10%

Isolated
Showers

High: 33 °C

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 26 °C

Sunday

Isolated Showers Chance for Measurable Precipitation 10%

Isolated
Showers

High: 32 °C

Sunday
Night

Isolated Showers Chance for Measurable Precipitation 10%

Isolated
Showers

Low: 24 °C

Monday

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

High: 32 °C

Monday
Night

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

Low: 25 °C

Tuesday

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

High: 32 °C

Detailed Forecast

  • Today Isolated showers, then scattered showers and thunderstorms after 1pm. Increasing clouds, with a high near 33. South southeast wind 13 to 16 km/h. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.
  • Tonight Mostly cloudy during the early evening, then clearing, with a low around 25. South southeast wind 5 to 10 km/h.
  • Saturday Isolated showers after noon. Sunny, with a high near 33. East southeast wind 8 to 14 km/h. Chance of precipitation is 10%.
  • Saturday Night Mostly clear, with a low around 26. East southeast wind 5 to 10 km/h becoming calm after midnight.
  • Sunday Isolated showers after noon. Sunny, with a high near 32. East northeast wind 14 to 23 km/h. Chance of precipitation is 10%.
  • Sunday Night Isolated showers. Mostly clear, with a low around 24. East wind around 11 km/h. Chance of precipitation is 10%.
  • Monday Isolated showers. Sunny, with a high near 32. Northeast wind 13 to 16 km/h. Chance of precipitation is 20%.
  • Monday Night Isolated showers. Partly cloudy, with a low around 25. Northeast wind around 13 km/h. Chance of precipitation is 20%.
  • Tuesday Scattered showers and thunderstorms. Mostly sunny, with a high near 32. East southeast wind 11 to 13 km/h. Chance of precipitation is 30%.
  • Tuesday Night Scattered showers. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
  • Wednesday Scattered showers. Mostly sunny, with a high near 33. Chance of precipitation is 30%.
  • Wednesday Night Isolated showers. Mostly clear, with a low around 25. Chance of precipitation is 10%.
  • Thursday Isolated showers. Mostly sunny, with a high near 32. Chance of precipitation is 20%.