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

Hazardous Weather Conditions

Current conditions at

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

A Few Clouds

88°F

31°C

Humidity 68%
Wind Speed E 17 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 15 Jul 9:53 am AST
Extended Forecast for

Culebra PR

  • Today

    Today: Scattered showers. Mostly cloudy, with a high near 91. Heat index values as high as 104. East wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 91 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 3am, then scattered showers. Mostly cloudy, with a low around 80. East wind around 22 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 80 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 91. Heat index values as high as 103. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 91 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 80. East wind 18 to 20 mph. Chance of precipitation is 50%.

    Low: 80 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 91. East wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Widespread haze. Mostly clear, with a low around 80. East wind 15 to 17 mph, with gusts as high as 22 mph.

    Low: 80 °F

    Haze

  • Friday

    Friday: Widespread haze. Mostly sunny, with a high near 91. East wind 13 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Haze

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 79. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East southeast wind 11 to 13 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Scattered showers. Mostly cloudy, with a high near 91. Heat index values as high as 104. East wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 3am, then scattered showers. Mostly cloudy, with a low around 80. East wind around 22 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 91. Heat index values as high as 103. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 80. East wind 18 to 20 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 91. East wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday Night
Widespread haze. Mostly clear, with a low around 80. East wind 15 to 17 mph, with gusts as high as 22 mph.
Friday
Widespread haze. Mostly sunny, with a high near 91. East wind 13 to 15 mph, with gusts as high as 20 mph.
Friday Night
Scattered showers. Mostly cloudy, with a low around 79. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East southeast wind 11 to 13 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 80. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Culebra PR
 18.31°N 65.3°W (Elev. 92 ft)
Last Update:
4:10 am AST Jul 15, 2025
Forecast Valid:
10am AST Jul 15, 2025-6pm AST Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation