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

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Partly Cloudy

91°F

33°C

Humidity 71%
Wind Speed E 9 mph
Barometer 30.14 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 5 Aug 12:50 pm EDT
Extended Forecast for

Jupiter Island FL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 103. East wind 5 to 10 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 80. East southeast wind around 5 mph.

    Low: 80 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 88. North wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. East southeast wind 5 to 10 mph.

    Low: 80 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 87. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. East wind around 5 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. South wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 70%.

    High: 88 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 79 °F

    T-storms
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 88. Southeast wind 5 to 15 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 103. East wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 80. East southeast wind around 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 88. North wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. East southeast wind 5 to 10 mph.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 87. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. East wind around 5 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. South wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 88. Southeast wind 5 to 15 mph. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 88. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind 5 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jupiter Island FL
 27.06°N 80.1°W (Elev. 0 ft)
Last Update:
12:14 pm EDT Aug 5, 2025
Forecast Valid:
1pm EDT Aug 5, 2025-6pm EDT Aug 11, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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