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

82°F

28°C

Humidity 62%
Wind Speed E 9 mph
Barometer 30.07 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Heat Index85°F (29°C)
Last update 18 Nov 2:47 pm EST
Extended Forecast for

Port St. Lucie FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. East northeast wind around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 1am and 2am. Patchy fog after 2am. Otherwise, mostly clear, with a low around 62. Calm wind. Chance of precipitation is 20%.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light north wind becoming east northeast 5 to 10 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. East northeast wind around 5 mph.
Tonight
A slight chance of showers between 1am and 2am. Patchy fog after 2am. Otherwise, mostly clear, with a low around 62. Calm wind. Chance of precipitation is 20%.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 63. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light north wind becoming east northeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. Calm wind.
Sunday
Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 63. Calm wind.
Monday
Sunny, with a high near 82. Calm wind becoming east northeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port St. Lucie FL
 27.27°N 80.36°W (Elev. 16 ft)
Last Update:
3:14 pm EST Nov 18, 2025
Forecast Valid:
3pm EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation