National Weather Service Forecast for: Port St. Lucie FL
Issued by: National Weather Service Melbourne, FL
Updated: 8:55 am EDT May 4, 2026
 
Today

Today: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 79. East northeast wind around 15 mph, with gusts as high as 30 mph.
Chance
Showers

 Tonight

Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 Tuesday

Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 83. East wind 5 to 10 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Tuesday
Night
Tuesday Night: A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Slight Chance
T-storms then
Mostly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 88. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 69. East southeast wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 93. Light south wind increasing to 5 to 10 mph in the morning.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 70. South southeast wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Friday

Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Light west southwest wind becoming south 5 to 10 mph in the afternoon.
Mostly Sunny
then Slight
Chance
T-storms
Hi 79 °F Lo 67 °F Hi 83 °F Lo 67 °F Hi 88 °F Lo 69 °F Hi 93 °F Lo 70 °F Hi 91 °F

Rip Current Statement
 

Today
 
 A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 79. East northeast wind around 15 mph, with gusts as high as 30 mph.
Tonight
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
 
 A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 83. East wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
 
 A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
 
 Mostly sunny, with a high near 88. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Wednesday Night
 
 Partly cloudy, with a low around 69. East southeast wind around 5 mph becoming calm in the evening.
Thursday
 
 Mostly sunny, with a high near 93. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
 
 Partly cloudy, with a low around 70. South southeast wind around 5 mph becoming calm in the evening.
Friday
 
 A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Light west southwest wind becoming south 5 to 10 mph in the afternoon.
Friday Night
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South southwest wind 5 to 10 mph.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Sunday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Light south southeast wind becoming east southeast 5 to 10 mph in the morning.

 

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