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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy and Breezy

89°F

32°C

Humidity 63%
Wind Speed E 24 G 37 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Heat Index99°F (37°C)
Last update 15 Aug 12:56 pm AST
Extended Forecast for

Bayamon PR

Heat Advisory August 15, 01:41pm until August 15, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 01:41pm until August 15, 05:00pm

    NOW until 5:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 83 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 3am.  Mostly cloudy, with a low around 73. East wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then isolated showers after 3pm.  Mostly sunny, with a high near 83. East wind 7 to 14 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Isolated showers between midnight and 3am.  Mostly clear, with a low around 73. East wind 3 to 6 mph.  Chance of precipitation is 10%.

    Low: 73 °F

    Clear then
    Isolated
    Showers

  • Monday

    Monday: Isolated showers.  Mostly sunny, with a high near 84. East wind 7 to 13 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers after midnight.  Mostly clear, with a low around 73. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 10%.

    Low: 73 °F

    Clear then
    Isolated
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 84. East wind 6 to 11 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. East wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Clear

Detailed Forecast

This Afternoon
Scattered showers, mainly after 3pm. Widespread haze before 3pm. Mostly sunny, with a high near 83. East wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 73. East wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then isolated showers after 3pm. Mostly sunny, with a high near 83. East wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Isolated showers between midnight and 3am. Mostly clear, with a low around 73. East wind 3 to 6 mph. Chance of precipitation is 10%.
Monday
Isolated showers. Mostly sunny, with a high near 84. East wind 7 to 13 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers after midnight. Mostly clear, with a low around 73. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Tuesday
Sunny, with a high near 84. East wind 6 to 11 mph.
Tuesday Night
Clear, with a low around 73. East wind around 5 mph becoming calm in the evening.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 84. East wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Scattered showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Friday
Scattered showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Bayamon PR
 18.28°N 66.15°W (Elev. 768 ft)
1:34 pm AST Aug 15, 2026
1pm AST Aug 15, 2026-6pm AST Aug 21, 2026
 
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Additional Resources

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