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

Hazardous Weather Conditions

Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

A Few Clouds

91°F

33°C

Humidity 71%
Wind Speed E 12 mph
Barometer 30.02 in
Dewpoint 81°F (27°C)
Visibility 7.00 mi
Heat Index110°F (43°C)
Last update 17 Aug 4:47 pm EDT
Extended Forecast for

2 Miles S Jupiter Island FL

Heat Advisory until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 77. South southeast wind around 5 mph becoming west after midnight.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 109. West wind around 5 mph becoming east in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 94. West wind around 5 mph becoming east in the afternoon. Chance of precipitation is 50%.

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South southeast wind around 5 mph becoming calm.

    Low: 78 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77. South southeast wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 95. Heat index values as high as 106. East southeast wind around 5 mph.
Tonight
Clear, with a low around 77. South southeast wind around 5 mph becoming west after midnight.
Tuesday
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 109. West wind around 5 mph becoming east in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 94. West wind around 5 mph becoming east in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South southeast wind around 5 mph becoming calm.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77. South southeast wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. South southeast wind around 5 mph.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 76. South southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93. Southwest wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South southeast wind around 5 mph.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Jupiter Island FL
 27.02°N 80.11°W (Elev. 3 ft)
Last Update:
3:15 pm EDT Aug 17, 2026
Forecast Valid:
5pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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