World Resorts USA Port St. Lucie Weather

Port St. Lucie 14 Days Forecast

24.08
mon
Day
93°F
NW 6 mph
Precip.
3%
Night
79°F
N 7 mph
Precip.
79%
25.08
tue
Day
86°F
W 5 mph
Precip.
4%
Night
81°F
NW 9 mph
Precip.
12%
26.08
wed
Day
88°F
W 10 mph
Precip.
13%
Night
81°F
NW 9 mph
Precip.
30%
27.08
thu
Day
88°F
NW 9 mph
Precip.
11%
Night
82°F
NW 10 mph
Precip.
11%
28.08
fri
Day
88°F
W 11 mph
Precip.
21%
Night
82°F
NW 8 mph
Precip.
10%
29.08
sat
Day
88°F
W 10 mph
Precip.
20%
Night
82°F
W 10 mph
Precip.
10%
30.08
sun
Day
86°F
W 11 mph
Precip.
10%
Night
82°F
NW 9 mph
Precip.
32%
31.08
mon
Day
86°F
W 9 mph
Precip.
21%
Night
82°F
W 10 mph
Precip.
18%
01.09
tue
Day
86°F
W 7 mph
Precip.
36%
Night
82°F
NW 9 mph
Precip.
10%
02.09
wed
Day
88°F
NW 7 mph
Precip.
6%
Night
81°F
NW 10 mph
Precip.
32%
03.09
thu
Day
86°F
W 8 mph
Precip.
7%
Night
81°F
NW 8 mph
Precip.
67%
04.09
fri
Day
86°F
W 6 mph
Precip.
9%
Night
82°F
NW 8 mph
Precip.
10%
05.09
sat
Day
86°F
W 8 mph
Precip.
5%
Night
81°F
NW 8 mph
Precip.
21%
06.09
sun
Day
86°F
W 9 mph
Precip.
11%
Night
82°F
NW 11 mph
Precip.
18%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 85.2°F. The highest and lowest sea temperatures during the month were 86.5°F and 83.5°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.1°F.

Air temperature in Port St. Lucie, °F

Precipitation total in Port St. Lucie, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Port St. Lucie

Sunniest months:
March 15 days
December 14 days
May 13 days
Warmest months:
July 88.4 °F
August 87.5 °F
June 85.9 °F
Warmest sea temp:
August 84.9 °F
September 84.5 °F
July 84.1 °F
Coldest months:
January 70.3 °F
December 73.3 °F
February 74.1 °F
Rainiest months:
September 4 days
May 3 days
June 3 days
Windiest months:
November 11.5 mph
April 11.3 mph
March 11.1 mph

Port St. Lucie on a weather map

Current weather
20:46
Port St. Lucie
+81°F
N 9 mph
Feels like: +86°F
Precip.: 67%
Places in USA:
Name
°F
Boston
+72°F
Washington
+73°F
Hawaii
+81°F
Las Vegas
+108°F
Los Angeles
+84°F
Miami
+82°F
Maui
+66°F
Myrtle Beach
+77°F
New York
+72°F
San Diego
+77°F
San Francisco
+61°F
Santa Monica
+75°F
Sarasota
+81°F
Houston
+86°F
Chicago
+72°F
all places
24 Hours Forecast
Port St. Lucie
Local time: 20:46
August 24, monday
2100
81°F
N
9 mph
August 25, tuesday
0000
79°F
N
7 mph
0300
75°F
NE
8 mph
0600
77°F
NE
6 mph
0900
82°F
N
4 mph
1200
86°F
W
5 mph
1500
88°F
W
11 mph
1800
86°F
NW
11 mph
Units of measurement: °C / °F