World Resorts USA Port St. Lucie Weather

Port St. Lucie 7 Days Forecast

18.03
wed
Day
64°F
SW 16 mph
Precip.
0%
Night
61°F
S 14 mph
Precip.
0%
19.03
thu
Day
72°F
S 17 mph
Precip.
0%
Night
68°F
S 16 mph
Precip.
100%
20.03
fri
Day
72°F
SW 17 mph
Precip.
0%
Night
68°F
S 9 mph
Precip.
0%
21.03
sat
Day
68°F
S 8 mph
Precip.
0%
Night
66°F
NE 6 mph
Precip.
0%
22.03
sun
Day
73°F
E 4 mph
Precip.
0%
Night
70°F
N 9 mph
Precip.
0%
23.03
mon
Day
75°F
E 6 mph
Precip.
0%
Night
68°F
E 6 mph
Precip.
0%
24.03
tue
Day
75°F
NE 7 mph
Precip.
0%
Night
70°F
SW 7 mph
Precip.
100%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 74.5°F. The highest and lowest sea temperatures during the month were 76.6°F and 71.6°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 74.9°F. The highest and lowest sea temperatures during the month were 77.9°F and 71.4°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:
December 14 days
March 14 days
February 12 days
Warmest months:
July 87.5 °F
August 87.5 °F
September 85.5 °F
Warmest sea temp:
August 84.9 °F
September 84.5 °F
July 83.9 °F
Coldest months:
January 70.3 °F
December 73.3 °F
February 74.1 °F
Rainiest months:
September 4 days
June 3 days
May 2 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
+63°F
S 19 mph
Feels like: +63°F
Precip.: 80%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+73°F
+39°F
24 Hours Forecast
Port St. Lucie
Local time: 17:36
March 18, wednesday
1800
63°F
S
19 mph
2100
63°F
S
16 mph
March 19, thursday
0000
61°F
S
14 mph
0300
59°F
S
13 mph
0600
61°F
S
11 mph
0900
66°F
S
12 mph
1200
72°F
S
17 mph
1500
70°F
S
20 mph
Units of measurement: °C / °F