World Resorts USA Port St. Lucie Weather

Port St. Lucie sea water temperature

Current sea water temperature:
+83.7°F
Minimum sea water temperature in August: 87.1°F
Maximum sea water temperature in August: 82.4°F
Average sea water temperature in August: 84.9°F

Sea water temperature for the last 10 days:

August 2 83.7°F July 28 85.1°F
August 1 83.5°F July 27 84.6°F
July 31 83.8°F July 26 85.3°F
July 30 83.7°F July 25 85.6°F
July 29 84.4°F July 24 85.3°F

When is the warmest sea in Port St. Lucie?

Based on the data about daily sea water temperature for the last three years the warmest sea in Port St. Lucie was noticed in August, September and July.

Monthly Sea Temperatures in Port St. Lucie, °F

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.

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.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 85.2°F. The highest and lowest sea temperatures during the month were 86.5°F and 83.7°F.

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 5 mph
Feels like: +82°F
Precip.: 10%
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
+84°F
+68°F
24 Hours Forecast
Port St. Lucie
Local time: 23:03
August 03, monday
0000
77°F
NE
5 mph
0300
77°F
N
6 mph
0600
77°F
N
4 mph
0900
81°F
NE
3 mph
1200
88°F
N
6 mph
1500
90°F
NE
6 mph
1800
90°F
NW
6 mph
2100
75°F
S
7 mph
Units of measurement: °C / °F