National Weather Service Forecast for: Port St. Lucie FL
Issued by: National Weather Service Melbourne, FL
Updated: 3:14 pm EDT Jul 4, 2025
 
Independence
Day
Independence Day: Showers and thunderstorms likely.  Mostly cloudy, with a high near 89. South southwest wind around 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

Tonight

Tonight: Showers and thunderstorms likely before 5am, then a slight chance of showers.  Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Chance
Showers
Saturday

Saturday: Showers and thunderstorms likely, mainly after 4pm.  Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Slight Chance
Showers then
T-storms
Likely
Saturday
Night
Saturday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 72. South southwest wind around 5 mph.  Chance of precipitation is 60%.
T-storms
Likely then
Chance
Showers
Sunday

Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
Sunday
Night
Sunday Night: Showers likely before 8pm.  Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.
Showers
Likely then
Partly Cloudy
Monday

Monday: A 50 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
Mostly Sunny
then Chance
T-storms
Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 74. South southeast wind around 5 mph becoming calm.
Chance
T-storms

Tuesday

Tuesday: A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
Hi 89 °F Lo 72 °F Hi 91 °F Lo 72 °F Hi 92 °F Lo 73 °F Hi 92 °F Lo 74 °F Hi 90 °F

 

Independence Day
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 89. South southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
 
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 60%.
Sunday
 
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
 
Showers likely before 8pm. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
 
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
 
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 74. South southeast wind around 5 mph becoming calm.
Tuesday
 
A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
 
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Wednesday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
 
Showers and thunderstorms likely. Mostly clear, with a low around 74. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
 
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Light south southwest wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Port St. Lucie FL.