Current sea water temperature:
+69.1°F
| Minimum sea water temperature in January: | 77.4°F |
| Maximum sea water temperature in January: | 61.7°F |
| Average sea water temperature in January: | 71.9°F |
| more information | |
14 days
forecast
forecast
| Port St. Lucie |
monthly
weather
weather
| Port St. Lucie |
Sea water temperature for the last 10 days:
| January 1 | 69.1°F | December 27 | 70.7°F |
| December 31 | 71.4°F | December 26 | 70.7°F |
| December 30 | 71.2°F | December 25 | 72.3°F |
| December 29 | 70.2°F | December 24 | 72.9°F |
| December 28 | 70.9°F | December 23 | 74.3°F |
Monthly sea water temperature, °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:
2025
2024
2023
The average sea water temperature in July of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 79.0°F.
current
weather
weather
| Port St. Lucie |
weather in
January
January
| Port St. Lucie |
Best time for vacation in Port St. Lucie
Port St. Lucie on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Port St. Lucie
Local time: 20:33
January 01, thursday
2100
55°F
SE
4 mph
4 mph
January 02, friday
0000
52°F
E
5 mph
5 mph
0300
48°F
E
7 mph
7 mph
0600
45°F
SE
5 mph
5 mph
0900
52°F
E
5 mph
5 mph
1200
61°F
NE
4 mph
4 mph
1500
66°F
NE
5 mph
5 mph
1800
64°F
NE
6 mph
6 mph
