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

King Airport, St. Thomas (TIST)

Lat: 18.34°NLon: 64.97°WElev: 23ft.

A Few Clouds

82°F

28°C

Humidity 28%
Wind Speed E 8 mph
Barometer 29.96 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 3:53 am AST
Extended Forecast for

6 Miles ENE Cruz Bay VI

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. East southeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 81 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before noon, then scattered showers. Partly sunny, with a high near 94. Heat index values as high as 109. East southeast wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 94 °F

    Showers
    Likely then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before 9pm. Widespread haze after midnight. Mostly cloudy, then gradually becoming clear, with a low around 82. East wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers then
    Haze

  • Thursday

    Thursday: Isolated showers before noon, then isolated showers after 3pm. Widespread haze. Sunny, with a high near 94. Heat index values as high as 106. East wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.

    High: 94 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers after midnight. Widespread haze. Mostly clear, with a low around 82. East wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    Low: 82 °F

    Haze then
    Isolated
    Showers

  • Friday

    Friday: Isolated showers before noon. Widespread haze. Sunny, with a high near 94. East northeast wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 94 °F

    Isolated
    Showers then
    Haze

  • Friday Night

    Friday Night: Mostly clear, with a low around 81. East wind 17 to 22 mph, with gusts as high as 28 mph.

    Low: 81 °F

    Mostly Clear

  • Saturday

    Saturday: Scattered showers, mainly before noon. Mostly sunny, with a high near 93. East wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 93 °F

    Scattered
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Scattered showers. Partly cloudy, with a low around 81. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. East southeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm before noon, then scattered showers. Partly sunny, with a high near 94. Heat index values as high as 109. East southeast wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Scattered showers, mainly before 9pm. Widespread haze after midnight. Mostly cloudy, then gradually becoming clear, with a low around 82. East wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday
Isolated showers before noon, then isolated showers after 3pm. Widespread haze. Sunny, with a high near 94. Heat index values as high as 106. East wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.
Thursday Night
Isolated showers after midnight. Widespread haze. Mostly clear, with a low around 82. East wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Friday
Isolated showers before noon. Widespread haze. Sunny, with a high near 94. East northeast wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 81. East wind 17 to 22 mph, with gusts as high as 28 mph.
Saturday
Scattered showers, mainly before noon. Mostly sunny, with a high near 93. East wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 81. East wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 82.
Monday
Scattered showers. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 82.
Tuesday
Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Cruz Bay VI
 18.36°N 64.7°W (Elev. 102 ft)
Last Update:
3:34 am AST Aug 19, 2026
Forecast Valid:
4am AST Aug 19, 2026-6pm AST Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation