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

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

Overcast

81°F

27°C

Humidity 70%
Wind Speed W 8 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 22 Mar 12:53 pm AST
Extended Forecast for

Vieques PR

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a high near 85. North wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 74. North northeast wind 11 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 3pm, then scattered showers. Mostly cloudy, with a high near 85. North northeast wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers, mainly after 3am. Mostly cloudy, with a low around 73. Northeast wind around 10 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after noon. Partly sunny, with a high near 85. East northeast wind around 7 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 73. East northeast wind 9 to 11 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 74. East wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 85. East wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a high near 85. North wind 3 to 6 mph. Chance of precipitation is 70%.
Tonight
Showers likely, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 74. North northeast wind 11 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 3pm, then scattered showers. Mostly cloudy, with a high near 85. North northeast wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers, mainly after 3am. Mostly cloudy, with a low around 73. Northeast wind around 10 mph. Chance of precipitation is 50%.
Tuesday
Showers likely, mainly after noon. Partly sunny, with a high near 85. East northeast wind around 7 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 73. East northeast wind 9 to 11 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers. Partly sunny, with a high near 85. East wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 74. East wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 85. East wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.
Saturday
Scattered showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vieques PR
 18.15°N 65.43°W (Elev. 105 ft)
Last Update:
1:06 pm AST Mar 22, 2026
Forecast Valid:
1pm AST Mar 22, 2026-6pm AST Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation