Port Saint Lucie, FL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Saint Lucie, FL in one place.
Sunny, with a high near 95. Heat index values as high as 105. South southeast wind 0 to 10 mph.
Local Weather Overview
This forecast page for Port Saint Lucie, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 8, 2026 2:44 PM EDT.
The active forecast window currently covers Jul 9 to Jul 14, 2026 for Port Saint Lucie, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 9 to Jul 14, 2026
- Latest sync
- Jul 8, 2026 2:44 PM EDT
- Forecast office
- MLB
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Saint Lucie
Sunday looks like the warmest upcoming period in Port Saint Lucie at 96 degrees F.
Monday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Thursday at about 0 to 10 mph SSE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 8, 2026 2:44 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- MLB
- Radar station
- KMLB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 76. Heat index values as high as 102. Southeast wind 0 to 10 mph.
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Southeast wind 0 to 10 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. Southeast wind 0 to 10 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. East southeast wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South southeast wind 0 to 5 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. South wind 0 to 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. South southeast wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. South southwest wind 0 to 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South southwest wind 0 to 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. South southwest wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South southeast wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 9
|
Sunny
|
95°F |
0 to 10 mph
SSE
|
|
Thursday Night
Jul 9
|
Mostly Clear
|
76°F |
0 to 10 mph
SE
|
|
Friday
Jul 10
|
Sunny then Chance Showers And Thunderstorms
|
94°F |
0 to 10 mph
SE
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms then Mostly Clear
|
77°F |
0 to 10 mph
SE
|
|
Saturday
Jul 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
0 to 10 mph
ESE
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
0 to 5 mph
SSE
|
|
Sunday
Jul 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
0 to 5 mph
S
|
|
Sunday Night
Jul 12
|
Chance Showers And Thunderstorms
|
76°F |
0 to 5 mph
SSE
|
|
Monday
Jul 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
95°F |
0 to 5 mph
SSW
|
|
Monday Night
Jul 13
|
Chance Showers And Thunderstorms
|
75°F |
0 to 5 mph
SSW
|
|
Tuesday
Jul 14
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
SSW
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms
|
75°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Saint Lucie.
