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

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Fair

28°C

82°F

Humidity 79%
Wind Speed SE 6 km/h
Barometer 30.03 in
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 8 Jun 2:56 am AST
Extended Forecast for

2 Miles WNW Guaynabo PR

Excessive Heat Watch June 9, 09:00am until June 9, 06:00pm
Excessive Heat Warning June 8, 09:00am until June 8, 06:00pm
Click here for hazard details and duration
Excessive Heat Watch
Excessive Heat Warning

  • Overnight

    Overnight: Clear, with a low around 26. Southeast wind around 10 km/h.

    Low: 26 °C

    Clear

  • Saturday

    Saturday: Isolated showers before noon, then isolated showers after 3pm. Sunny, with a high near 34. Heat index values as high as 44. Southeast wind 13 to 18 km/h increasing to 21 to 26 km/h in the afternoon. Chance of precipitation is 20%.

    High: 34 °C

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers before 9pm, then scattered showers after midnight. Increasing clouds, with a low around 27. East southeast wind 8 to 10 km/h. Chance of precipitation is 40%.

    Low: 27 °C

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 33. Heat index values as high as 42. East wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Chance of precipitation is 20%.

    High: 33 °C

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers, then scattered showers and thunderstorms after midnight. Partly cloudy, with a low around 26. East southeast wind 5 to 11 km/h. Chance of precipitation is 40%.

    Low: 26 °C

    Scattered
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 32. East wind 13 to 23 km/h. Chance of precipitation is 20%.

    High: 32 °C

    Isolated
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. East southeast wind 11 to 13 km/h.

    Low: 26 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 32. East wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 30%.

    High: 32 °C

    Mostly Sunny
    then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. East wind around 13 km/h.

    Low: 27 °C

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 26. Southeast wind around 10 km/h.
Saturday
Isolated showers before noon, then isolated showers after 3pm. Sunny, with a high near 34. Heat index values as high as 44. Southeast wind 13 to 18 km/h increasing to 21 to 26 km/h in the afternoon. Chance of precipitation is 20%.
Saturday Night
Isolated showers before 9pm, then scattered showers after midnight. Increasing clouds, with a low around 27. East southeast wind 8 to 10 km/h. Chance of precipitation is 40%.
Sunday
Isolated showers. Mostly sunny, with a high near 33. Heat index values as high as 42. East wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Chance of precipitation is 20%.
Sunday Night
Isolated showers, then scattered showers and thunderstorms after midnight. Partly cloudy, with a low around 26. East southeast wind 5 to 11 km/h. Chance of precipitation is 40%.
Monday
Isolated showers. Mostly sunny, with a high near 32. East wind 13 to 23 km/h. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 26. East southeast wind 11 to 13 km/h.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 32. East wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 27. East wind around 13 km/h.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Guaynabo PR
 18.39°N 66.15°W (Elev. 43 m)
Last Update:
8:58 pm AST Jun 7, 2024
Forecast Valid:
3am AST Jun 8, 2024-6pm AST Jun 14, 2024
 
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