World Resorts USA Port St. Lucie Weather

Port St. Lucie 14 Days Forecast

02.08
sun
Day
90°F
N 7 mph
Precip.
6%
Night
77°F
NE 6 mph
Precip.
11%
03.08
mon
Day
97°F
NE 7 mph
Precip.
2%
Night
75°F
NW 11 mph
Precip.
21%
04.08
tue
Day
81°F
E 4 mph
Precip.
9%
Night
79°F
NW 5 mph
Precip.
12%
05.08
wed
Day
86°F
NW 8 mph
Precip.
65%
Night
79°F
W 10 mph
Precip.
49%
06.08
thu
Day
88°F
W 12 mph
Precip.
16%
Night
81°F
W 11 mph
Precip.
46%
07.08
fri
Day
88°F
W 15 mph
Precip.
13%
Night
81°F
SW 9 mph
Precip.
14%
08.08
sat
Day
86°F
W 6 mph
Precip.
21%
Night
81°F
NW 8 mph
Precip.
12%
09.08
sun
Day
88°F
W 9 mph
Precip.
20%
Night
82°F
W 9 mph
Precip.
10%
10.08
mon
Day
88°F
NW 9 mph
Precip.
13%
Night
81°F
NW 9 mph
Precip.
10%
11.08
tue
Day
88°F
NW 8 mph
Precip.
18%
Night
81°F
NW 9 mph
Precip.
8%
12.08
wed
Day
88°F
W 5 mph
Precip.
3%
Night
81°F
NW 9 mph
Precip.
10%
13.08
thu
Day
88°F
W 7 mph
Precip.
4%
Night
81°F
NW 9 mph
Precip.
10%
14.08
fri
Day
88°F
W 9 mph
Precip.
9%
Night
81°F
NW 9 mph
Precip.
11%
15.08
sat
Day
90°F
W 8 mph
Precip.
21%
Night
82°F
NW 8 mph
Precip.
10%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 87.1°F and 83.8°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

Port St. Lucie
+77°F
NE 6 mph
Feels like: +81°F
Precip.: 11%
Places in USA:
Name
°F
+73°F
+77°F
+79°F
+100°F
+70°F
+81°F
+73°F
+75°F
+77°F
+70°F
+66°F
+68°F
+81°F
+81°F
+68°F
24 Hours Forecast
Port St. Lucie
Local time: 23:45
August 03, monday
0000
77°F
NE
6 mph
0300
75°F
N
6 mph
0600
75°F
N
6 mph
0900
82°F
NE
5 mph
1200
97°F
NE
7 mph
1500
90°F
E
7 mph
1800
90°F
NW
4 mph
2100
75°F
S
9 mph
Units of measurement: °C / °F