Measurements:
°C
°F
Port St. Lucie
86°F
SW 14 mph
Feels like: 88°F
Precip: 2%
World Resorts USA Port St. Lucie Weather

Port St. Lucie Sea Water Temperature

Current Sea Water Temperature:
+86.0°F
Maximum Sea Water Temperature in June: 88.2°F
Minimum Sea Water Temperature in June: 81.2°F
Average water temperature in June: 85.4°F

Sea Water Temperature for the Last 10 Days:

June 04 86.0°F May 29 85.6°F
June 03 86.6°F May 28 85.6°F
June 01 86.6°F May 27 86.0°F
May 31 85.6°F May 26 86.4°F
May 30 85.4°F May 25 86.8°F

When is the Warmest Sea for Port St. Lucie?

According to our data for the last three years for Port St. Lucie the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Port St. Lucie was 89.4°F. The maximum and minimum values were 87.6°F and 91.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Port St. Lucie was 88.1°F. The maximum and minimum values were 86.8°F and 89.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Port St. Lucie was 85.8°F. The maximum and minimum values were 82.2°F and 89.8°F respectively.

Best Time to Visit Port St. Lucie
The most sunny months:
March 15 days
December 14 days
May 13 days
The most warm months:
July 91.7 °F
August 91.7 °F
September 89.5 °F
Warmest sea temperature:
August 88.7 °F
September 88.3 °F
July 87.6 °F
The most cold months:
January 72.6 °F
December 75.9 °F
February 76.8 °F
The most rainy months:
September 4 days
May 3 days
June 3 days
The most windy months:
November 11 mph
April 11 mph
March 11 mph

Port St. Lucie on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Port St. Lucie
Local time: 12:54
04 jun, thursday
1500 84°F
SW
16 mph
1800 80°F
SW
14 mph
2100 78°F
SW
9 mph
05 jun, friday
0000 76°F
W
9 mph
0300 76°F
W
8 mph
0600 76°F
W
9 mph
0900 80°F
SW
13 mph
1200 82°F
SW
13 mph