PORT ST LUCIE, FL 34984 Weather Forecast & Current Conditions

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STUART/WITHAM FIELD, FL
Current Weather

6:35 AM EDT JUN 29, 2026
Clear
77°F
Feels Like: 78°F
Dewpoint: 77°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: Calm
Pressure: 30.03 inches
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PORT ST LUCIE, FL 34984
Weather Forecast

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TODAY
Partly sunny. A chance of showers and a slight chance of afternoon thunderstorms. Windy. Highs around 90. Southeast winds 15 to 20 mph becoming south 20 to 25 mph in the afternoon. Chance of rain 40 percent.
TONIGHT
Partly cloudy. Lows around 70. South winds 10 to 15 mph decreasing to around 5 mph after midnight.
WEDNESDAY
Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. South winds 10 to 15 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy. A slight chance of evening showers and thunderstorms, then a slight chance of showers after midnight. Lows in the lower 70s. South winds 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of rain 20 percent.
THURSDAY
Partly cloudy. A chance of showers through late morning, then a chance of showers and isolated afternoon thunderstorms. Breezy. Highs in the upper 80s. Southwest winds 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Chance of rain 50 percent.
THURSDAY NIGHT
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 30 percent.
FRIDAY
Considerable cloudiness with a slight chance of showers. Highs in the upper 70s. Chance of rain 20 percent.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 50s.
SATURDAY
Partly sunny. Breezy. Highs in the upper 70s.
SATURDAY NIGHT
Clear. Lows in the mid 50s.
SUNDAY
Sunny. Highs in the mid 70s.
SUNDAY NIGHT
Clear. Lows in the upper 50s.
MONDAY
Mostly sunny. Highs around 80.

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PORT ST LUCIE, FL 34984
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PORT ST LUCIE, FL 34984
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PORT ST LUCIE, FL 34984

STUART/WITHAM FIELD, FL 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/28/2026
Monday
29 JUN 2026
PORT ST LUCIE, FL 34984 weather forecast Day 1, 0 hours 2 AM 81° 87° Clear 0%

0% Thunder
( 5% severe)
  CALM 85% 76°
Low 79° PORT ST LUCIE, FL 34984 weather forecast Day 1, 3 hours 5 AM 80° 86° Partly Cloudy   CALM 91% 77°
High 92° PORT ST LUCIE, FL 34984 weather forecast Day 1, 6 hours 8 AM 81° 89° Clear 2%

0% Thunder
( 25% severe)
  CALM 91% 78°

Clear



PORT ST LUCIE, FL 34984 weather forecast Day 1, 9 hours 11 AM 86° 97° Clear E   5 75% 77°
PORT ST LUCIE, FL 34984 weather forecast Day 1, 12 hours 2 PM 86° 97° Clear 5%

0% Thunder
( 49% severe)
E   10 75% 77°
PORT ST LUCIE, FL 34984 weather forecast Day 1, 15 hours 5 PM 86° 96° Clear ESE   12 72% 76°
PORT ST LUCIE, FL 34984 weather forecast Day 1, 18 hours 8 PM 84° 93° Clear 5%

0% Thunder
( 18% severe)
SE   7 77% 76°
PORT ST LUCIE, FL 34984 weather forecast Day 1, 21 hours 11 PM 82° 89° Clear SSE   5 82% 76°
Tuesday
30 JUN 2026
PORT ST LUCIE, FL 34984 weather forecast Day 2, 0 hours 2 AM 81° 87° Partly Cloudy 0%

0% Thunder
( 5% severe)
  CALM 82% 75°
Low 78° PORT ST LUCIE, FL 34984 weather forecast Day 2, 3 hours 5 AM 79° 83° Partly Cloudy   CALM 91% 76°
High 93° PORT ST LUCIE, FL 34984 weather forecast Day 2, 6 hours 8 AM 80° 86° Partly Cloudy 7%

0% Thunder
( 44% severe)
  CALM 91% 77°

Partly Cloudy

Rain Likely

PORT ST LUCIE, FL 34984 weather forecast Day 2, 9 hours 11 AM 86° 96° Partly Cloudy W   3 72% 76°
PORT ST LUCIE, FL 34984 weather forecast Day 2, 12 hours 2 PM 87° 98° Partly Cloudy 56%
RAIN
***
0% Thunder
( 79% severe)
E   10 70% 76°
PORT ST LUCIE, FL 34984 weather forecast Day 2, 15 hours 5 PM 86° 96° Mostly Cloudy ENE   10 72% 76°
PORT ST LUCIE, FL 34984 weather forecast Day 2, 18 hours 8 PM 84° 94° Partly Cloudy 35%
RAIN
***
0% Thunder
( 40% severe)
E   5 80% 77°
PORT ST LUCIE, FL 34984 weather forecast Day 2, 21 hours 11 PM 82° 89° Partly Cloudy   CALM 82% 76°

STUART/WITHAM FIELD, FL extended weather forecast

Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Sunday
5 JUL 2026
Low 77° Low 78° Low 77° Low 77° Low 77°
High 88° High 90° High 90° High 90° High 89°
PORT ST LUCIE, FL 34984 weather forecast Day 3 PORT ST LUCIE, FL 34984 weather forecast Day 4 PORT ST LUCIE, FL 34984 weather forecast Day 5 PORT ST LUCIE, FL 34984 weather forecast Day 6 PORT ST LUCIE, FL 34984 weather forecast Day 7
Partly Cloudy
63% Rain
Partly Cloudy
67% Rain
Mostly Cloudy
68% Rain
Partly Cloudy
57% Rain
Partly Cloudy
37% Rain
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